| Subgenus | Trechus (Arabotrechus)
Mateu, 1990 ⇒ Trechus
| 1 | Species |
| Subgenus | Trechus (Archeotrechus)
Magrini, Quéinnec & Vigna Taglianti, 2012 ⇒ Trechus
| 1 | Species |
| Subgenus | Trechus (Atlantotrechus)
Lompe, 1999
| 3 | Species |
| Subgenus | Trechus (Elgonophyes)
Jeannel, 1954 ⇒ Trechus
| 1 | Species |
| Subgenus | Trechus (Elgonotrechus)
Jeannel, 1954
| 26 | Species |
| Subgenus | Trechus (Epaphius)
Leach, 1819
| 34 | Species |
| Subgenus | Trechus (Meruitrechus)
Jeannel, 1960 ⇒ Trechus
| 2 | Species |
| Subgenus | Trechus (Microtrechus)
Jeannel, 1927
| 58 | Species |
| Subgenus | Trechus (Minitrechus)
Vigna Taglianti & Magrini, 2009 ⇒ Trechus
| 1 | Species |
| Subgenus | Trechus (Parepaphius)
Jeannel, 1962 ⇒ Trechus
| 0 | Species |
| Subgenus | Trechus (Setitrechus)
Deuve, 2005 ⇒ Trechus
| 1 | Species |
| Subgenus | Trechus (Trechus)
Clairville, 1806
| 1175 | Species |
| Species | Trechus 4-striatus F., 1781
| | |
| Species | Trechus abalkhasimi J.Schmidt & Faille, 2018
| | |
| Species | Trechus abdominalis Motschulsky, 1844
| | |
| Species | Trechus abkhasicus Jeannel, 1960
| | |
| Species | Trechus abkhazicus Jeannel, 1960
| | |
| Species | Trechus acutangulus Apfelbeck, 1902
| | |
| Species | Trechus adaba J.Schmidt & Faille, 2018
| | |
| Species | Trechus additus J.Schmidt, 2016
| | |
| Species | Trechus adjamdehensis Morvan, 1974 ⇒ Trechus (Trechus) quadrimaculatus
| | |
| Species | Trechus aegrotus Bates, 1873
| | |
| Species | Trechus affinis Péringuey, 1896
| | |
| Species | Trechus aghiazicus Belousov & Kabak, 2019
| | |
| Species | Trechus agilis Motschulsky, 1850 ⇒ Trechus (Trechus) quadrimaculatus
| | |
| Species | Trechus aidovskanus Ganglbauer, 1913
| | |
| Species | Trechus alecrinensis Franz, 1981 ⇒ Trechus (Trechus) maderensis
| | |
| Species | Trechus alexandrovi Lutshnik, 1915
| | |
| Species | Trechus algarvensis Jeanne, 1985
| | |
| Species | Trechus alluaudi Jeannel, 1913
| | |
| Species | Trechus almosi Bokor, 1921
| | |
| Species | Trechus alphonsi G.Müller, 1914
| | |
| Species | Trechus alpinus Dejean, 1831 ⇒ Trechus (Trechus) rotundipennis rotundipennis
| | |
| Species | Trechus alyshensis Deuve & Queinnec, 1992 ⇒ Trechus (Trechus) ovtshinnikovi
| | |
| Species | Trechus amaurocephalus Kolenati, 1845 ⇒ Trechus (Trechus) quadristriatus
| | |
| Species | Trechus ambarasensis Jeannel, 1954
| | |
| Species | Trechus ambiguus Péringuey, 1896
| | |
| Species | Trechus amdoensis Deuve & Queinnec, 1993 ⇒ Trechus (Trechus) kozlovi
| | |
| Species | Trechus amplipennis G.Müller, 1911
| | |
| Species | Trechus anatolicus Ganglbauer, 1900 ⇒ Trechus (Trechus) nigrinus
| | |
| Species | Trechus andalusiacus Jeannel, 1927
| | |
| Species | Trechus andorranus Jeanne, 1972
| | |
| Species | Trechus andreinii Jeannel, 1921 ⇒ Trechus (Trechus) pilisensis
| | |
| Species | Trechus angavoensis J.Schmidt & Faille, 2018
| | |
| Species | Trechus angelae Magrini, 1984
| | |
| Species | Trechus angulipennis Meixner, 1925
| | |
| Species | Trechus angustatus Hampe, 1850 ⇒ Trechus (Trechus) hampei
| | |
| Species | Trechus angustus J. R. Sahlberg, 1908 ⇒ Trechus (Trechus) austriacus
| | |
| Species | Trechus antarcticus Dejean, 1831
| | |
| Species | Trechus antroherponomimus Noesske, 1928
| | |
| Species | Trechus apfelbecki Ganglbauer, 1891
| | |
| Species | Trechus apfelbeckianus Jakobson, 1906 ⇒ Trechus (Trechus) bradycelliformis
| | |
| Species | Trechus apuanus Dodero, 1917
| | |
| Species | Trechus aragonicus Jeannel, 1930
| | |
| Species | Trechus arahanicus Belousov & Kabak, 2001
| | |
| Species | Trechus aranensis Jeannel, 1921
| | |
| Species | Trechus arcticollis Jeannel, 1931
| | |
| Species | Trechus arcuatus Jeannel, 1927
| | |
| Species | Trechus arechavaletae Putzeys, 1870
| | |
| Species | Trechus arenstorffianus Absolon, 1913
| | |
| Species | Trechus arrisi Jeannel, 1962 ⇒ Trechus (Trechus) jugivagus
| | |
| Species | Trechus arrowi Jedlicka, 1935
| | |
| Species | Trechus ashutorensis Belousov & Kabak, 1992
| | |
| Species | Trechus assimilis Heer, 1837 ⇒ Trechus (Trechus) glacialis
| | |
| Species | Trechus asturicus Jeannel, 1921
| | |
| Species | Trechus ater MacLeay, 1871
| | |
| Species | Trechus aterrimus Péringuey, 1896
| | |
| Species | Trechus athonis Schatzmayr, 1909
| | |
| Species | Trechus atlantidis Pawlowski, 1972 ⇒ Trechus (Trechus) flavocircumdatus
| | |
| Species | Trechus atlasicus
| | |
| Species | Trechus atriceps MacLeay, 1871
| | |
| Species | Trechus atripes Jeannel, 1913
| | |
| Species | Trechus audouini Guérin-Méneville, 1830
| | |
| Species | Trechus augusti Jeannel, 1931
| | |
| Species | Trechus aulaensis Aubry, 1981
| | |
| Species | Trechus aurouxi Mateu & Comas, 2006
| | |
| Species | Trechus australiensis Sloane, 1923
| | |
| Species | Trechus australis Jeannel, 1920
| | |
| Species | Trechus austrinus Sloane, 1920
| | |
| Species | Trechus axillaris Putzeys, 1870
| | |
| Species | Trechus babaensis Lompe, 2015
| | |
| Species | Trechus babicola Knirsch, 1925
| | |
| Species | Trechus baidiensis Blackburn, 1895
| | |
| Species | Trechus balcanicus Jeannel, 1927 ⇒ Trechus (Trechus) irenis
| | |
| Species | Trechus baldensis Putzeys, 1870
| | |
| Species | Trechus baldiensis Blackburn, 1894
| | |
| Species | Trechus balesilvestris J.Schmidt & Faille, 2018
| | |
| Species | Trechus barajoni Focarile, 1949 ⇒ Trechus (Trechus) schaumii
| | |
| Species | Trechus barbarae G.Horn, 1892
| | |
| Species | Trechus bejarensis Jeannel, 1927
| | |
| Species | Trechus belousovi P. Moravec & Wrase, 1995
| | |
| Species | Trechus bepmalei Jeannel, 1921
| | |
| Species | Trechus bernahueri Ganglbauer, 1895
| | |
| Species | Trechus berthae Jeannel, 1910
| | |
| Species | Trechus bescidicus Reitter, 1908 ⇒ Trechus (Trechus) montanellus
| | |
| Species | Trechus beutenmuelleri Jeannel, 1931 ⇒ Trechus (Trechus) hydropicus
| | |
| Species | Trechus bianericus Belousov & Kabak, 2020
| | |
| Species | Trechus biellesinus Jeannel, 1937 ⇒ Trechus (Trechus) strigipennis
| | |
| Species | Trechus bifoveatus Jeannel, 1920
| | |
| Species | Trechus bigerricus Jeannel, 1921
| | |
| Species | Trechus biokovensis Holdhaus, 1911
| | |
| Species | Trechus birmanicus Bates, 1892
| | |
| Species | Trechus biroi Csiki, 1905
| | |
| Species | Trechus bistriatus Jeannel, 1928
| | |
| Species | Trechus bisulcatus Nicolai, 1822 ⇒ Porotachys bisulcatus
| | |
| Species | Trechus bitinctus Sloane, 1923
| | |
| Species | Trechus blackburni Sloane, 1920
| | |
| Species | Trechus bodoanus Reitter, 1913
| | |
| Species | Trechus boeticus Jeannel, 1927 ⇒ Trechus (Trechus) distigma
| | |
| Species | Trechus bohiniensis Ganglbauer, 1903
| | |
| Species | Trechus bokorianus Csiki, 1910
| | |
| Species | Trechus bolivari Jeannel, 1913
| | |
| Species | Trechus bombi J.Schmidt & Faille, 2018
| | |
| Species | Trechus boneti Dupre, 1991
| | |
| Species | Trechus bontoc Darlington, 1959
| | |
| Species | Trechus borealis Schaeffer, 1915
| | |
| Species | Trechus borensis Roubal, 1918 ⇒ Trechus (Trechus) splendens
| | |
| Species | Trechus bourdeaui Fresneda & Valenzuela&Faille, 2015
| | |
| Species | Trechus brachyderus Jeannel, 1931
| | |
| Species | Trechus bradycelloides Apfelbeck, 1904 ⇒ Trechus (Trechus) fusculus
| | |
| Species | Trechus brandisi Ganglbauer, 1897
| | |
| Species | Trechus brasiliensis R.F.Sahlberg, 1847
| | |
| Species | Trechus breiti Ganglbauer, 1900
| | |
| Species | Trechus breitianus Knirsch, 1912
| | |
| Species | Trechus breizhinensi Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus breuilianus Jeannel, 1916
| | |
| Species | Trechus brevinotatus Sloane, 1920
| | |
| Species | Trechus brevis Sturm, 1843
| | |
| Species | Trechus breviusculus K. Daniel & J. Daniel, 1906 ⇒ Trechus (Trechus) carpaticus
| | |
| Species | Trechus brezinaorum Deuve & Queinnec, 1992 ⇒ Trechus (Trechus) placidus
| | |
| Species | Trechus brisouti Abeille de Perrin, 1876 ⇒ Aphaenops chaudoiri
| | |
| Species | Trechus brujasi Sainte-Claire Deville, 1901
| | |
| Species | Trechus brumalis Casey, 1918
| | |
| Species | Trechus brunnipes Sturm, 1825
| | |
| Species | Trechus bulgaricus Pawlowski, 1972 ⇒ Trechus (Trechus) kobingeri pawlowskianus
| | |
| Species | Trechus buresi Knirsch, 1923
| | |
| Species | Trechus cadoudali Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus cailloli Sainte-Claire Deville, 1903
| | |
| Species | Trechus californicus Motschulsky, 1845
| | |
| Species | Trechus calimanensis Knirsch, 1924
| | |
| Species | Trechus canadensis Putzeys, 1870
| | |
| Species | Trechus canis Sciaky & Pavesi, 1994
| | |
| Species | Trechus canoi Franz, 1981 ⇒ Trechus (Trechus) tenoensis
| | |
| Species | Trechus cantabricus Jeannel, 1927 ⇒ Trechus (Trechus) distigma
| | |
| Species | Trechus canus
| | |
| Species | Trechus capitatus Geoffroy, 1785 ⇒ Trechus (Trechus) quadristriatus
| | |
| Species | Trechus capito ♰ B. Förster, 1891
| | |
| Species | Trechus carantii Sella, 1874
| | |
| Species | Trechus carilloi Toribio & Rodriguez, 1997
| | |
| Species | Trechus carlittensis Jeanne, 1971
| | |
| Species | Trechus carminatii Dodero, 1917
| | |
| Species | Trechus carniolicus Ganglbauer, 1897
| | |
| Species | Trechus carpathicus Rybi½ski, 1902
| | |
| Species | Trechus carteri Sloane, 1920 ⇒ Mimotrechus carteri
| | |
| Species | Trechus castanopterus Heer, 1837 ⇒ Trechus (Trechus) obtusus obtusus
| | |
| Species | Trechus castelnaui Sloane, 1920
| | |
| Species | Trechus catensis Donabauer, 2013
| | |
| Species | Trechus caucasicola Tschitschérine, 1904 ⇒ Trechus (Trechus) quadrimaculatus
| | |
| Species | Trechus cauliops Bates, 1892
| | |
| Species | Trechus caussicola Jeannel, 1919
| | |
| Species | Trechus cavallensis Jeannel, 1927
| | |
| Species | Trechus cavifuga Ganglbauer, 1900
| | |
| Species | Trechus centenarius Knirsch, 1925
| | |
| Species | Trechus cephalotes Jeannel, 1960 ⇒ Trechus (Trechus) cephalotellus
| | |
| Species | Trechus cerdonicus Abeille de Perrin, 1903
| | |
| Species | Trechus ceresae
| | |
| Species | Trechus cerrutii Focarile, 1950
| | |
| Species | Trechus cerrutini
| | |
| Species | Trechus chalybaeus Dejean, 1831 ⇒ Trechus (Trechus) chalybeus
| | |
| Species | Trechus changbaicola Deuve, 2017
| | |
| Species | Trechus chaudoiri Levrat, 1859 ⇒ Trechus (Trechus) rufulus
| | |
| Species | Trechus chendae Schatzmayr, 1922
| | |
| Species | Trechus chiguguanensis Belousov & Kabak, 2020
| | |
| Species | Trechus chionobatus Apfelbeck, 1908 ⇒ Trechus (Trechus) torrentialis
| | |
| Species | Trechus chloroticus Putzeys, 1870
| | |
| Species | Trechus christinae J.Schmidt, 2016
| | |
| Species | Trechus circovichi G.Müller, 1922
| | |
| Species | Trechus ciseniseicus Belousov & Kabak, 1996
| | |
| Species | Trechus clairi Abeille de Perrin, 1880
| | |
| Species | Trechus coarctatus Bates, 1882
| | |
| Species | Trechus colasianus Mateu, 1952
| | |
| Species | Trechus collaris Sturm, 1825
| | |
| Species | Trechus colobus J.Schmidt & Faille, 2018
| | |
| Species | Trechus complanatus Putzeys, 1872 ⇒ Trechus (Trechus) planipennis
| | |
| Species | Trechus concolor Jeannel, 1960 ⇒ Trechus (Trechus) concoloratus
| | |
| Species | Trechus confucius Sciaky & Pavesi, 1994 ⇒ Trechus (Trechus) kozlovi
| | |
| Species | Trechus confusatorius Deuve & Kaiser, 2009
| | |
| Species | Trechus conjunctus Say, 1823
| | |
| Species | Trechus conspicuus Jeannel, 1960
| | |
| Species | Trechus convexicollis Peyerimhoff, 1904
| | |
| Species | Trechus convexus W.S.MacLeay, 1825
| | |
| Species | Trechus cordicollis Winkler, 1936
| | |
| Species | Trechus corpulentus Weise, 1875
| | |
| Species | Trechus coxi Sloane, 1911
| | |
| Species | Trechus crassicapus Lindroth, 1955 ⇒ Trechus (Trechus) crassiscapus
| | |
| Species | Trechus cratocephalus Belousov & Kabak, 2019
| | |
| Species | Trechus creticola Antoine, 1928
| | |
| Species | Trechus croceus Fresneda, Valenzuela & Bourdeau&Faille, 2019
| | |
| Species | Trechus curvatus J. R. Sahlberg, 1880
| | |
| Species | Trechus cuspis Belousov & Kabak, 2020
| | |
| Species | Trechus cyclopterus Putzeys, 1870
| | |
| Species | Trechus dabanensis Sciaky & Pavesi, 1994
| | |
| Species | Trechus dabanshanicola Deuve, 2011
| | |
| Species | Trechus dacatrai Sciaky & Pavesi, 1994
| | |
| Species | Trechus dacatraianus Deuve, 1996
| | |
| Species | Trechus dacicus J.Frivaldszky, 1883
| | |
| Species | Trechus dalmatinus
| 2 | Subspecies |
| Species | Trechus danieli Holdhaus, 1902
| 2 | Subspecies |
| Species | Trechus dayremi Saulcy, 1906
| | |
| Species | Trechus decorus Grimmer, 1841 ⇒ Trechus (Trechus) limacodes limacodes
| | |
| Species | Trechus dejeani Putzeys, 1870 ⇒ Trechus (Trechus) bannaticus
| | |
| Species | Trechus delarouzei ⇒ Trechus (Trechus) delarouzeei
| 1 | Subspecies |
| Species | Trechus depressicollis Putzeys, 1870
| | |
| Species | Trechus depressipennis J.Schmidt & Faille, 2018
| | |
| Species | Trechus depressus Meixner, 1922 ⇒ Trechus (Trechus) meixnerianus
| | |
| Species | Trechus deqenensis Deuve, 2017
| | |
| Species | Trechus derougemonti Geginat, 2017
| | |
| Species | Trechus desbordesi A. Gaudin, 1935
| | |
| Species | Trechus despaxi Jeannel, 1922
| | |
| Species | Trechus deuvei Pham, 1987 ⇒ Trechus (Trechus) kricheldorffi
| | |
| Species | Trechus diaphanus Rottenberger, 1874
| | |
| Species | Trechus diemenensis Bates, 1878
| | |
| Species | Trechus dietli Ganglbauer, 1897
| | |
| Species | Trechus dietrichi Barr, 1962 ⇒ Trechus (Trechus) striatulus
| | |
| Species | Trechus dieubinus Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus dinaricus G.Müller, 1912
| | |
| Species | Trechus diniensis Peyerimhoff, 1904
| | |
| Species | Trechus discus Fabricius, 1792 ⇒ Blemus discus
| | |
| Species | Trechus dispar Schönmann, 1937
| | |
| Species | Trechus distinctissimus Roubal, 1920 ⇒ Trechus (Trechus) kobingeri kobingeri
| | |
| Species | Trechus divergens Meixner, 1939
| | |
| Species | Trechus djebalicus Comas & Mateu, 2008
| | |
| Species | Trechus djebelgloubensis Quéinnec & Ollivier, 2013
| | |
| Species | Trechus dodola J.Schmidt & Faille, 2018
| | |
| Species | Trechus dolomitianus
| | |
| Species | Trechus dolonicus Belousov & Kabak, 1992
| | |
| Species | Trechus dongola J.Schmidt, 2016
| | |
| Species | Trechus dorsiger Reitter, 1903 ⇒ Trechus (Trechus) quadrimaculatus
| | |
| Species | Trechus dromai J.Schmidt, 2016
| | |
| Species | Trechus dromioides Reitter, 1897
| | |
| Species | Trechus dubitans Reitter, 1903
| | |
| Species | Trechus durmitorensis Apfelbeck, 1904
| | |
| Species | Trechus dzhergalanicus Belousov & Kabak, 1994
| | |
| Species | Trechus echarouxi Ollivier & Queinnec, 2011
| | |
| Species | Trechus edai Jedlička, 1952
| | |
| Species | Trechus egonis G.Müller, 1923
| | |
| Species | Trechus elikasensi Morvan, 1976
| | |
| Species | Trechus elikasensis Morvan, 1976
| | |
| Species | Trechus enedaphos Fresneda, Valenzuela & Bourdeau&Faille, 2019
| | |
| Species | Trechus erebus Krauss, 1906
| | |
| Species | Trechus esfandiarii Morvan, 1974 ⇒ Trechus (Trechus) quadrimaculatus
| | |
| Species | Trechus espanyoli Mateu & Escola, 2006
| | |
| Species | Trechus estagnousensis Coiffait, 1952
| | |
| Species | Trechus exaratus Schaum, 1860
| | |
| Species | Trechus exhibitorius Schmidt, Belousov & Michalik, 2016
| | |
| Species | Trechus eximius Putzeys, 1870
| | |
| Species | Trechus facchiniellus Deuve, 1998 ⇒ Trechus (Trechus) qinghaicus queinneci
| | |
| Species | Trechus fadriquei Mateu & Escola, 2006
| | |
| Species | Trechus fagniezi Colas & A. Gaudin, 1935 ⇒ Trechus (Trechus) bordei
| | |
| Species | Trechus fairbairni
| | |
| Species | Trechus fallaciosus Jeannel, 1921 ⇒ Trechus (Trechus) pulchellus koprivnicensis
| | |
| Species | Trechus fasciatus Boheman, 1858
| | |
| Species | Trechus fasciger Putzeys, 1870
| | |
| Species | Trechus faustus Jeannel, 1927 ⇒ Trechus (Trechus) felix
| | |
| Species | Trechus femoralis Germain, 1855
| | |
| Species | Trechus ferdinandikoburgi Breit, 1912 ⇒ Trechus (Trechus) rambouseki
| | |
| Species | Trechus ferrarius Jeannel, 1936 ⇒ Trechus (Trechus) flavocinctus gomerae
| | |
| Species | Trechus ferrugineus Brullé, 1842
| | |
| Species | Trechus fimicola Wollaston, 1854 ⇒ Perigona (Trechicus) nigriceps
| | |
| Species | Trechus fisehai J.Schmidt & Faille, 2018
| | |
| Species | Trechus flachi Winkler, 1912
| | |
| Species | Trechus flavicollis Sturm, 1825
| | |
| Species | Trechus flavipes Kirby, 1837
| | |
| Species | Trechus flavus Sturm, 1825
| | |
| Species | Trechus fractus ♰ H. F. Wickham, 1912
| | |
| Species | Trechus franzi Schweiger, 1950
| | |
| Species | Trechus frater J.Schmidt, 2016
| | |
| Species | Trechus frigidus Apfelbeck, 1904
| | |
| Species | Trechus frigophilus J.Schmidt, 2016
| | |
| Species | Trechus frivaldskyi Ganglbauer, 1903
| | |
| Species | Trechus fubianensis Deuve, 2009
| | |
| Species | Trechus fulvoides Jeanne, 1974
| | |
| Species | Trechus fuscipennis Stephens, 1828 ⇒ Trechus (Trechus) quadristriatus
| | |
| Species | Trechus gajaci Coiffait, 1973 ⇒ Trechus (Trechus) austriacus
| | |
| Species | Trechus galloprovincialis Abeille de Perrin, 1876 ⇒ Trechus (Trechus) fairmairei
| | |
| Species | Trechus gaudini P.Moravec & Lompe, 2003
| | |
| Species | Trechus gemaensis Belousov & Kabak, 2020
| | |
| Species | Trechus georgicus Jeannel, 1962
| | |
| Species | Trechus georgii G.Müller, 1922
| | |
| Species | Trechus gigoni Casale, 1982
| | |
| Species | Trechus gippslandicus Sloane, 1923
| | |
| Species | Trechus giromettae G.Müller, 1912
| | |
| Species | Trechus glebi Belousov & Kabak, 2019
| | |
| Species | Trechus gobanzi Ganglbauer, 1911
| | |
| Species | Trechus goelkoeyensis Donabauer, 2013
| | |
| Species | Trechus golesnicensis Apfelbeck, 1918
| | |
| Species | Trechus gomerae Jeannel, 1936
| | |
| Species | Trechus gongshanensis Deuve & Kavanaugh, 2016
| | |
| Species | Trechus gounellei Bedel, 1879
| | |
| Species | Trechus grandipennis J.Schmidt & Faille, 2018
| | |
| Species | Trechus gravidulus Jeannel, 1931
| | |
| Species | Trechus gravis Péringuey, 1899
| | |
| Species | Trechus groubei Antoine, 1935
| 2 | Subspecies |
| Species | Trechus gyalmo J.Schmidt, 2016
| | |
| Species | Trechus gyalpo J.Schmidt, 2016
| | |
| Species | Trechus gyatsola J.Schmidt, 2016
| | |
| Species | Trechus habaicus Deuve, 2011
| | |
| Species | Trechus habashanensis Deuve, 2017
| | |
| Species | Trechus habei Ueno, 1954
| | |
| Species | Trechus habeshaicus Quéinnec & Ollivier, 2021
| | |
| Species | Trechus hagenia J.Schmidt & Faille, 2018
| | |
| Species | Trechus haggei J.Schmidt & Faille, 2018
| | |
| Species | Trechus halmai Apfelbeck, 1904
| | |
| Species | Trechus hamatus Jeannel, 1927 ⇒ Trechus (Trechus) fortimanus
| | |
| Species | Trechus harenna J.Schmidt & Faille, 2018
| | |
| Species | Trechus harpalinus Audinet-Serville, 1821
| | |
| Species | Trechus harryi J.Schmidt & Faille, 2018
| | |
| Species | Trechus hashimotoi Ueno, 1961
| | |
| Species | Trechus hauckei Ganglbauer, 1913
| | |
| Species | Trechus heeri Tournier, 1870 ⇒ Trechus (Trechus) glacialis
| | |
| Species | Trechus heinzi Pawlowski, 1976 ⇒ Trechus (Trechus) ziganensis
| | |
| Species | Trechus hemsinensis Donabauer, 2013
| | |
| Species | Trechus heous Jeannel, 1935
| | |
| Species | Trechus herculis J.Frivaldszky, 1889
| | |
| Species | Trechus heteromorphus G.Müller, 1923
| | |
| Species | Trechus hetschkoi Reitter, 1911
| | |
| Species | Trechus heylensis Cabidoche, 1964
| | |
| Species | Trechus hiekei J.Schmidt, 2016
| 2 | Subspecies |
| Species | Trechus hiemalis Apfelbeck, 1902 ⇒ Trechus (Trechus) kobingeri kobingeri
| | |
| Species | Trechus hirtus Sturm, 1853
| | |
| Species | Trechus hirus Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus hochetlingeri Winkler, 1912
| | |
| Species | Trechus hoegei Jeannel, 1920
| | |
| Species | Trechus hoelzeli Schweiger, 1950
| | |
| Species | Trechus hohlbecki Jeannel, 1962 ⇒ Trechus (Trechus) pavlovskii pavlovskii
| | |
| Species | Trechus holdhausi Ganglbauer, 1904
| | |
| Species | Trechus hololissus Putzeys, 1870
| | |
| Species | Trechus hornensis Fairmaire, 1885
| | |
| Species | Trechus humeralis Dejean, 1831 ⇒ Trechus (Trechus) quadristriatus
| | |
| Species | Trechus huzhubeiensis Deuve, 2011
| | |
| Species | Trechus hylonomus A. Gaudin, 1935 ⇒ Trechus (Elgonotrechus) hylonomellus
| | |
| Species | Trechus hyperythros Fresneda, Valenzuela & Bourdeau&Faille, 2019
| | |
| Species | Trechus iblanensis Mateu & Escola, 2006
| | |
| Species | Trechus illustris Mihok, 1914
| | |
| Species | Trechus illyricus Jeannel, 1921
| | |
| Species | Trechus imadatei Ueno & Shibanai, 1954
| | |
| Species | Trechus immunis Kirby, 1837
| | |
| Species | Trechus imperialis Sciaky & Pavesi, 1994 ⇒ Trechus (Trechus) pilosicornis
| | |
| Species | Trechus impunctoides Deuve, 1988
| | |
| Species | Trechus incilis Dawson, 1849
| | |
| Species | Trechus ingaunus Dodero, 1917
| | |
| Species | Trechus inhumeralis G.Müller, 1923
| | |
| Species | Trechus inornatus Tschitschérine, 1904 ⇒ Trechus (Trechus) quadrimaculatus
| | |
| Species | Trechus insignis G.Müller, 1912
| | |
| Species | Trechus integer Putzeys, 1870 ⇒ Trechus (Trechus) lallemantii
| | |
| Species | Trechus inuus Jeannel, 1960 ⇒ Trechus (Trechus) nothus
| | |
| Species | Trechus iridescens J.Schmidt & Faille, 2018
| | |
| Species | Trechus iriensis Belousov & Kabak, 1992
| | |
| Species | Trechus islei Barthe, 1922
| | |
| Species | Trechus isphanensis Belousov & Kabak, 1998
| 1 | Subspecies |
| Species | Trechus istrianus Ganglbauer, 1913
| | |
| Species | Trechus istriensis G.Müller, 1909
| | |
| Species | Trechus ivanensis Belousov & Kabak, 1999
| | |
| Species | Trechus iwatai Ueno, 1954
| | |
| Species | Trechus jablanicensis Apfelbeck, 1904
| | |
| Species | Trechus jacobsoni Pliginskiy, 1912
| | |
| Species | Trechus jahni Schönmann, 1937
| | |
| Species | Trechus jailensis Winkler, 1911
| | |
| Species | Trechus jakupicaënsis
| | |
| Species | Trechus jakupicaensis Roubal, 1920
| | |
| Species | Trechus janoanus Jeannel, 1939
| | |
| Species | Trechus janoi Jeannel, 1937
| | |
| Species | Trechus jansonianus Wollaston, 1858
| | |
| Species | Trechus jeanneli Abeille de Perrin, 1905
| | |
| Species | Trechus jonescoi Jeannel, 1919
| | |
| Species | Trechus jucundus Csiki, 1912
| | |
| Species | Trechus jugicola Lorenz, 1998 ⇒ Trechus (Trechus) jugivagus
| | |
| Species | Trechus julianus Jeannel, 1927 ⇒ Trechus (Trechus) longulus longulus
| | |
| Species | Trechus jureceki Dodero, 1917
| | |
| Species | Trechus jurjurae Peyerimhoff, 1909
| | |
| Species | Trechus kafekus Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus kamtschatkensis Putzeys, 1847
| | |
| Species | Trechus kangchenjunga J.Schmidt, 2016
| | |
| Species | Trechus kaqiensis Deuve, 1998
| | |
| Species | Trechus karatogani Belousov & Kabak, 1994
| | |
| Species | Trechus karkarensis Belousov & Kabak, 1992
| | |
| Species | Trechus kaufmanni Ganglbauer, 1900
| | |
| Species | Trechus kazanensis Belousov & Kabak, 1992
| | |
| Species | Trechus kenyensis Jeannel, 1913
| | |
| Species | Trechus kiesenwetteri Pandelle, 1867 ⇒ Trechus (Trechus) angusticollis mutatus
| | |
| Species | Trechus kilimanus Jeannel, 1913
| | |
| Species | Trechus kimakowiczi Ganglbauer, 1891
| | |
| Species | Trechus klimeschi Winkler, 1914
| | |
| Species | Trechus knauthi Ganglbauer, 1904
| | |
| Species | Trechus knirschi Winkler, 1912
| | |
| Species | Trechus kokujewi Tschitscherine, 1898
| | |
| Species | Trechus koprivnicensis
| | |
| Species | Trechus kopylensis Belousov & Kabak, 1994
| | |
| Species | Trechus koralpicus Franz, 1969
| | |
| Species | Trechus korgei Pawlowski, 1976 ⇒ Trechus (Trechus) machardi
| | |
| Species | Trechus kosciuskoanus Sloane, 1923
| | |
| Species | Trechus kosso Quéinnec & Ollivier, 2021
| | |
| Species | Trechus kouroshi Muilwijk, Seiedy & Wrase, 2021
| | |
| Species | Trechus kraussi Ganglbauer, 1897
| | |
| Species | Trechus kucerai Deuve, 2011
| | |
| Species | Trechus kuruschensis Franz, 1991 ⇒ Trechus (Trechus) lutshniki
| | |
| Species | Trechus kushironis Ueno, 1992
| | |
| Species | Trechus labruleriei Jeannel, 1921 ⇒ Trechus (Trechus) subacuminatus
| | |
| Species | Trechus laetulus Péringuey, 1898
| | |
| Species | Trechus laevigatus Boheman, 1858
| | |
| Species | Trechus laevipennis Heer, 1837 ⇒ Trechus (Trechus) pertyi
| | |
| Species | Trechus laevis Stephens, 1835 ⇒ Trechus (Trechus) maderensis
| | |
| Species | Trechus laevissimus Putzeys, 1870
| | |
| Species | Trechus lalibelae Quéinnec & Ollivier, 2021
| | |
| Species | Trechus lantosquensis Abeille de Perrin, 1880
| | |
| Species | Trechus lapidosus Dawson, 1849
| | |
| Species | Trechus larianus Focarile, 1949 ⇒ Trechus (Trechus) schaumii
| | |
| Species | Trechus laticollis Motschulsky, 1844 ⇒ Masoreus (Masoreus) wetterhallii wetterhallii
| | |
| Species | Trechus latipennis Chaudoir, 1844 ⇒ Trechus (Trechus) gravidus
| | |
| Species | Trechus latiusculus K. Daniel & J. Daniel, 1898
| | |
| Species | Trechus laurisilvae Franz, 1981 ⇒ Trechus (Trechus) custos
| | |
| Species | Trechus laviti Jeanne, 1967
| | |
| Species | Trechus leai Sloane, 1920
| | |
| Species | Trechus ledouxi Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus legorskyi Donabauer, 2013
| | |
| Species | Trechus lencinai Mateu & Ortuno, 2006
| | |
| Species | Trechus leonhardi Reitter, 1901
| | |
| Species | Trechus leonhardianus Breit, 1913
| | |
| Species | Trechus leptus
| | |
| Species | Trechus lewisi Jeannel, 1924
| | |
| Species | Trechus lhasaensis J.Schmidt, 2016
| | |
| Species | Trechus lithophilus Putzeys, 1847 ⇒ Trechus (Trechus) alpicola alpicola
| | |
| Species | Trechus litoralis Audinet-Serville, 1821
| | |
| Species | Trechus littoralis Dejean, 1831
| | |
| Species | Trechus litura Perroud & Montrouzier, 1864
| | |
| Species | Trechus ljubetensis Apfelbeck, 1908
| | |
| Species | Trechus ljubnicensis G.Müller, 1914
| | |
| Species | Trechus lobeliarum Jeannel, 1935
| | |
| Species | Trechus lonae G.Müller, 1914
| | |
| Species | Trechus longhii Comolli, 1837
| | |
| Species | Trechus longicornis Sturm, 1825
| | |
| Species | Trechus longinotatus Sloane, 1920
| | |
| Species | Trechus longipenis Allegro & Giachino, 2016
| | |
| Species | Trechus longipennis Jeannel, 1929
| | |
| Species | Trechus longiusculus Jeannel, 1927 ⇒ Trechus (Trechus) limacodes limacodes
| | |
| Species | Trechus lucanus Focarile, 1949
| | |
| Species | Trechus lutevanus Jeannel, 1919
| | |
| Species | Trechus luxatus Audinet-Serville, 1821 ⇒ Masoreus (Masoreus) wetterhallii wetterhallii
| | |
| Species | Trechus luzhangensis Deuve & Liang, 2016
| | |
| Species | Trechus macedo Jeannel, 1919
| | |
| Species | Trechus macedonicus G.Müller, 1917
| | |
| Species | Trechus macilentus Gemminger & Harold, 1868
| | |
| Species | Trechus macleayi Sloane, 1920
| | |
| Species | Trechus macrocephalus Heer, 1837 ⇒ Trechus (Trechus) glacialis
| | |
| Species | Trechus macroderus Jeannel, 1928
| | |
| Species | Trechus maculipennis Bedel, 1897
| | |
| Species | Trechus madeirensis Serrano & Borges, 1995 ⇒ Trechus (Trechus) fulvus fulvus
| | |
| Species | Trechus maderae Franz, 1981 ⇒ Trechus (Trechus) flavomarginatus
| | |
| Species | Trechus maderi Winkler, 1914
| | |
| Species | Trechus magdelainei Jeannel, 1914
| | |
| Species | Trechus maglajensis Apfelbeck, 1908
| | |
| Species | Trechus mahouxi Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus malissorum G.Müller, 1914
| | |
| Species | Trechus mallaszi Jeannel, 1929 ⇒ Trechus (Trechus) mallaszianus
| | |
| Species | Trechus malomvicensis Ganglbauer, 1900
| | |
| Species | Trechus mancinii Jeannel, 1921 ⇒ Trechus (Trechus) liguricus liguricus
| | |
| Species | Trechus mandriolae Ganglbauer, 1911
| | |
| Species | Trechus maoniu Belousov & Kabak, 2020
| | |
| Species | Trechus maori Jeannel, 1920
| | |
| Species | Trechus mariae Schatzmayr, 1904
| | |
| Species | Trechus maroccanus Antoine, 1928
| | |
| Species | Trechus mashunus Péringuey, 1926
| | |
| Species | Trechus matchae Breit, 1917
| | |
| Species | Trechus matchai Jeannel, 1927
| | |
| Species | Trechus matshensis Belousov & Kabak, 1996
| | |
| Species | Trechus mattisi J.Schmidt & Faille, 2018
| | |
| Species | Trechus maurus Putzeys, 1847 ⇒ Trechus (Trechus) nigrinus
| | |
| Species | Trechus mayeri G.Müller, 1909
| | |
| Species | Trechus mayeti
| 1 | Subspecies |
| Species | Trechus medius Meixner, 1939
| | |
| Species | Trechus medvedevi Jeannel, 1962
| | |
| Species | Trechus meixneri Jeannel, 1924 ⇒ Trechus (Trechus) meixnerianus
| | |
| Species | Trechus mekbibi J.Schmidt & Faille, 2018
| | |
| Species | Trechus mengensis Belousov & Kabak, 2020
| | |
| Species | Trechus menpa J.Schmidt, 2016
| | |
| Species | Trechus messai G.Müller, 1913
| | |
| Species | Trechus metohiensis Apfelbeck, 1904
| | |
| Species | Trechus meurguesae Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus meuseli Reitter, 1910 ⇒ Trechus (Trechus) priapus priapus
| | |
| Species | Trechus mexicanus Putzeys, 1870
| | |
| Species | Trechus micans Schaum, 1860 ⇒ Trechus (Trechus) splendens
| | |
| Species | Trechus micklitzi Ganglbauer, 1913
| | |
| Species | Trechus microphthalmus L.Miller, 1859
| | |
| Species | Trechus micros Herbst, 1784
| | |
| Species | Trechus microthorax Coiffait, 1952
| | |
| Species | Trechus mila J.Schmidt, 2016
| | |
| Species | Trechus milleri L. Redtenbacher, 1858 ⇒ Trechus (Trechus) ochreatus
| | |
| Species | Trechus mingguangensis Deuve & Liang, 2016
| | |
| Species | Trechus mingrelicus Reitter, 1885
| | |
| Species | Trechus minitrechus J.Schmidt & Faille, 2018
| | |
| Species | Trechus minozzii Dodero, 1917
| | |
| Species | Trechus minutissimus R.F.Sahlberg, 1847
| | |
| Species | Trechus minutus Fabricius, 1792 ⇒ Trechus (Trechus) basilewskianus
| | |
| Species | Trechus moczarskii G.Müller, 1917
| | |
| Species | Trechus moesiacus Jeannel, 1921 ⇒ Trechus (Trechus) rhilensis
| | |
| Species | Trechus mondaensis Deuve, 1998
| | |
| Species | Trechus monolcus Putzeys, 1870
| | |
| Species | Trechus monticola Péringuey, 1926
| | |
| Species | Trechus montiscanini Jeannel, 1927
| | |
| Species | Trechus montismaiellettae Ghidini, 1932
| | |
| Species | Trechus montiszedae Binaghi, 1945
| | |
| Species | Trechus moreaui Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus muellerianus Schatzmayr, 1907
| | |
| Species | Trechus mutatus Bedel, 1876 ⇒ Trechus (Trechus) angusticollis kiesenwetteri
| | |
| Species | Trechus naiman Belousov & Kabak, 1992
| | |
| Species | Trechus nami J.Schmidt, 2016
| | |
| Species | Trechus namunlaensis J. Schmidt, 1998
| | |
| Species | Trechus nanulus J.Schmidt & Faille, 2018
| | |
| Species | Trechus natmataungensis Donabauer, 2010
| | |
| Species | Trechus navarricus ⇒ Trechus (Trechus) navaricus
| | |
| Species | Trechus neglectus Ghidini, 1935 ⇒ Trechus (Trechus) sinuatus
| | |
| Species | Trechus negrei Mateu, 1950
| | |
| Species | Trechus nepalensis Morvan, 1972 ⇒ Trechus (Trechus) championi
| | |
| Species | Trechus netolitzkyi G.Müller, 1908
| | |
| Species | Trechus neumanni Jeannel, 1921 ⇒ Trechus (Trechus) rudolphi
| | |
| Species | Trechus nevadensis Jeanne, 1967
| | |
| Species | Trechus neyamensis J.Schmidt, 2016
| | |
| Species | Trechus nicolae Jeanne, 1972 ⇒ Trechus (Trechus) splendens
| | |
| Species | Trechus nicolianus Moncoutier, 1990 ⇒ Trechus (Trechus) nicoleae
| | |
| Species | Trechus nigrans J.Schmidt, 2016
| | |
| Species | Trechus nigriceps Sturm, 1826
| | |
| Species | Trechus nigrifemoralis J.Schmidt & Faille, 2018
| | |
| Species | Trechus nigripennis Solier, 1849
| | |
| Species | Trechus nitens Putzeys, 1874
| | |
| Species | Trechus nitidus Stephens, 1828
| | |
| Species | Trechus nivalis G.Müller, 1922
| | |
| Species | Trechus nobuchii Jedlicka, 1964
| | |
| Species | Trechus noesskei Apfelbeck, 1908
| | |
| Species | Trechus novaki G.Müller, 1911
| | |
| Species | Trechus novenoei Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus nukatli Belousov, 1990
| | |
| Species | Trechus nyalamensis J.Schmidt, 2016
| | |
| Species | Trechus obirensis Schönmann, 1937
| | |
| Species | Trechus obliquulus Belousov & Kabak, 1998
| | |
| Species | Trechus oblongulus Mannerheim, 1852
| | |
| Species | Trechus obscuriceps Morvan, 1972 ⇒ Trechus (Trechus) melanocephalus
| | |
| Species | Trechus obscuricornis Putzeys, 1870
| | |
| Species | Trechus obtusioides Jeannel, 1927 ⇒ Trechus (Trechus) obtusus obtusus
| | |
| Species | Trechus occidentalis Colas & A. Gaudin, 1935
| | |
| Species | Trechus ochsi Dodero, 1921
| | |
| Species | Trechus odontopeos Fresneda, Valenzuela & Bourdeau&Faille, 2019
| | |
| Species | Trechus ofensis Donabauer, 2013
| | |
| Species | Trechus oopterus
| | |
| Species | Trechus opacipennis G.Müller, 1913
| | |
| Species | Trechus opgenoorthi J.Schmidt, 2016
| | |
| Species | Trechus oppositus J.Schmidt & Faille, 2018
| | |
| Species | Trechus oreas Bates, 1883
| | |
| Species | Trechus oresitrophus Iablokoff-Khnzorian, 1963
| | |
| Species | Trechus oribates A. Gaudin, 1935
| | |
| Species | Trechus oscensis Jeanne, 1985
| | |
| Species | Trechus osseticus Jeannel, 1927 ⇒ Trechus (Trechus) nivicola
| | |
| Species | Trechus oszailensis Bedel, 1876
| | |
| Species | Trechus ovtschinnikovi
| | |
| Species | Trechus ozaljensis G.Müller, 1913
| | |
| Species | Trechus pacificum Putzeys, 1870
| | |
| Species | Trechus pacificus Sloane, 1920
| | |
| Species | Trechus paganettii Ganglbauer, 1897
| | |
| Species | Trechus pallescens L. Redtenbacher, 1849 ⇒ Trechus (Trechus) obtusus obtusus
| | |
| Species | Trechus pallidipennis Schaum, 1857 ⇒ Trechus (Trechus) subnotatus subnotatus
| | |
| Species | Trechus pallidus Sturm, 1825
| | |
| Species | Trechus pallipes Boheman, 1848
| | |
| Species | Trechus palmensis Mateu, 1956 ⇒ Trechus (Trechus) flavocircumdatus
| | |
| Species | Trechus palpalis Dejean, 1831
| | |
| Species | Trechus paludosus Gyllenhal, 1810
| | |
| Species | Trechus panamensis Putzeys, 1870
| | |
| Species | Trechus pandellei Kraatz, 1877 ⇒ Trechus (Trechus) schaumii
| | |
| Species | Trechus paolii Binaghi, 1940 ⇒ Trechus (Trechus) tenuilimbatus
| | |
| Species | Trechus paradoxus K. Daniel & J. Daniel, 1898 ⇒ Trechus (Trechus) constrictus constrictus
| | |
| Species | Trechus parilis Péringuey, 1908
| | |
| Species | Trechus partiarius Say, 1823
| | |
| Species | Trechus parvicollis Putzeys, 1870
| | |
| Species | Trechus parvifrater J.Schmidt, 2016
| | |
| Species | Trechus parvulus Sturm, 1825
| | |
| Species | Trechus pasubianus Ganglbauer, 1901
| | |
| Species | Trechus patagonicus Jeannel, 1920
| | |
| Species | Trechus patrizii Jeannel, 1960
| | |
| Species | Trechus patruelis Putzeys, 1847 ⇒ Trechus (Trechus) glacialis
| | |
| Species | Trechus pauperculus Knirsch, 1925
| | |
| Species | Trechus paveli Csiki, 1899
| | |
| Species | Trechus pawlowskianus
| | |
| Species | Trechus pecoudianus Jeannel, 1952 ⇒ Trechus (Trechus) obtusus asturicus
| | |
| Species | Trechus peneckei Ganglbauer, 1897
| | |
| Species | Trechus perezi Crotch, 1869 ⇒ Trechus (Trechus) fulvus fulvus
| | |
| Species | Trechus perezii Crotch, 1869 ⇒ Trechus (Trechus) fulvus fulvus
| | |
| Species | Trechus peringueyi Jeannel, 1928
| | |
| Species | Trechus peristericus G.Müller, 1914
| | |
| Species | Trechus perminutus Reitter, 1898
| | |
| Species | Trechus perroti Jeannel, 1954
| | |
| Species | Trechus pesianus Focarile, 1949 ⇒ Trechus (Trechus) maritimus
| | |
| Species | Trechus petrii Knirsch, 1914
| | |
| Species | Trechus peyerimhoffi Jeannel, 1907 ⇒ Trechus (Trechus) mouzaiensis atlasicus
| | |
| Species | Trechus peynei Magrini & Sciaky, 2006
| | |
| Species | Trechus pfeiferi Apfelbeck, 1908
| | |
| Species | Trechus phagunensis J.Schmidt, 2016
| | |
| Species | Trechus phanageriacus Belousov, 1990
| | |
| Species | Trechus phryganobius Iablokoff‑Khnzorian, 1963
| | |
| Species | Trechus phrygnobius Iablokoff-Khnzorian, 1963
| | |
| Species | Trechus picciolii Bedel, 1876
| | |
| Species | Trechus picescens Ganglbauer, 1904
| | |
| Species | Trechus piceus Putzeys, 1847 ⇒ Trechus (Trechus) glacialis
| | |
| Species | Trechus piciventris Graells, 1858 ⇒ Trechus (Trechus) quadristriatus
| | |
| Species | Trechus picticornis A. Fleischer, 1898 ⇒ Trechus (Trechus) melanocephalus
| | |
| Species | Trechus pictiventris Pandellé, 1867
| | |
| Species | Trechus pilifer Ganglbauer, 1891
| | |
| Species | Trechus pinguis Kiesenwetter, 1850
| | |
| Species | Trechus platypterus Jeannel, 1960 ⇒ Trechus (Trechus) platypterellus
| | |
| Species | Trechus podolicus Ljovuschkin, 1962 ⇒ Trechus (Trechus) austriacus
| | |
| Species | Trechus poli Sciaky & Pavesi, 1994 ⇒ Trechus (Trechus) kalabi
| | |
| Species | Trechus politus Fairmaire, 1862 ⇒ Trechus (Trechus) quadristriatus
| | |
| Species | Trechus poljanensis Roubal, 1916 ⇒ Trechus (Trechus) concinnus
| | |
| Species | Trechus pongensis Fresneda, Valenzuela & Bourdeau&Faille, 2019
| | |
| Species | Trechus ponticus Motschulsky, 1845
| | |
| Species | Trechus postilenatus Bates, 1873
| | |
| Species | Trechus pourtoyi Jarrige, 1972 ⇒ Trechus (Trechus) ceballosi
| | |
| Species | Trechus praeglacialis Lesne, 1920
| | |
| Species | Trechus prepyrenaeus Coiffait, 1974
| | |
| Species | Trechus pretneri G.Müller, 1913
| | |
| Species | Trechus primigenioides Jeanne, 1974 ⇒ Trechus (Trechus) fulvus fulvus
| | |
| Species | Trechus primigenius Jeannel, 1920 ⇒ Trechus (Trechus) fulvus fulvoides
| | |
| Species | Trechus procerus Putzeys, 1847
| | |
| Species | Trechus profundestriatus Heer, 1837 ⇒ Trechus (Trechus) glacialis
| | |
| Species | Trechus profundissimus Mihok, 1914
| | |
| Species | Trechus proximus Putzeys, 1870
| | |
| Species | Trechus pseudocameroni Deuve, 1996 ⇒ Trechus (Trechus) thibetanus
| | |
| Species | Trechus pseudogansuensis Belousov & Kabak, 1998
| | |
| Species | Trechus pseudokozlovi Deuve, 2011
| | |
| Species | Trechus pseudoqiqiensis Deuve & Liang, 2016
| | |
| Species | Trechus pubens Bedel, 1876
| | |
| Species | Trechus pueli Chobaut, 1904
| | |
| Species | Trechus pugetenis
| | |
| Species | Trechus pugetensis Hatch, 1951
| | |
| Species | Trechus puigmalensis Jeanne, 1976
| | |
| Species | Trechus punctatostriatus Putzeys, 1877
| | |
| Species | Trechus punctiventris Germain, 1855
| | |
| Species | Trechus puritanus Casey, 1918
| | |
| Species | Trechus putshkovi Belousov & Kabak, 1996
| | |
| Species | Trechus qingmaiensis Deuve, 2011
| | |
| Species | Trechus qiqiensis Deuve & Kavanaugh, 2016
| | |
| Species | Trechus quadistriatus Schrank, 1781
| | |
| Species | Trechus quadriceps Putzeys, 1870
| | |
| Species | Trechus quadricollis Wollaston, 1854 ⇒ Trechus (Trechus) tetracoderus
| | |
| Species | Trechus quadrinotatus Reitter, 1887 ⇒ Trechus (Trechus) crucifer
| | |
| Species | Trechus queinneci Sciaky & Pavesi, 1994
| | |
| Species | Trechus quidristriatus Schrank., 1781
| | |
| Species | Trechus qunlaishanicus Belousov & Kabak, 2020
| | |
| Species | Trechus rabacalensis Franz, 1981 ⇒ Trechus (Trechus) tetracoderus
| | |
| Species | Trechus rasettii Dodero, 1917
| | |
| Species | Trechus rastegari Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus rathkei Helliesen, 1893 ⇒ Trechus (Trechus) fulvus fulvus
| | |
| Species | Trechus ravasinii Jeannel, 1925 ⇒ Trechus (Trechus) ravasinianus
| | |
| Species | Trechus ravasiniianus
| 1 | Subspecies |
| Species | Trechus raymondi Pandelle, 1867 ⇒ Trechus (Trechus) fairmairei
| | |
| Species | Trechus rectestriatus Bokor, 1921
| | |
| Species | Trechus reiseri Ganglbauer, 1891
| | |
| Species | Trechus renati Jeannel, 1922 ⇒ Trechus (Trechus) obtusus obtusus
| | |
| Species | Trechus reyi Coiffait, 1953
| | |
| Species | Trechus rhodensis Casey, 1918
| | |
| Species | Trechus rhombus Belousov & Kabak, 2019
| | |
| Species | Trechus ribeiranus Franz, 1981 ⇒ Trechus (Trechus) debilis
| | |
| Species | Trechus riberai Fresneda, Valenzuela & Bourdeau&Faille, 2019
| | |
| Species | Trechus richardi Knirsch, 1925
| | |
| Species | Trechus rira J.Schmidt & Faille, 2018
| | |
| Species | Trechus roberti Abeille de Perrin, 1903 ⇒
| | |
| Species | Trechus robinii Laboulbène, 1849
| | |
| Species | Trechus robustus Sloane, 1920
| | |
| Species | Trechus roccai Jeannel, 1927 ⇒ Trechus (Trechus) lepontinus
| | |
| Species | Trechus rougemontiellus Belousov, 2017
| | |
| Species | Trechus ruficollis Putzeys, 1870
| | |
| Species | Trechus ruficrus Kirby, 1837
| | |
| Species | Trechus rufilabris MacLeay, 1871
| | |
| Species | Trechus rufipes Boheman, 1848
| | |
| Species | Trechus rupestris Say, 1823
| | |
| Species | Trechus ruteri Colas, 1935
| | |
| Species | Trechus ruthenus Reitter, 1878
| | |
| Species | Trechus rybinskii Knirsch, 1924
| | |
| Species | Trechus saadii Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus salibai Antoine, 1953
| | |
| Species | Trechus saluki Belousov & Kabak, 2019
| | |
| Species | Trechus samnis Jeannel, 1921 ⇒ Trechus (Trechus) italicus
| | |
| Species | Trechus sanettii J.Schmidt & Faille, 2018
| | |
| Species | Trechus santaluciaensis Donabauer, 2014
| | |
| Species | Trechus sarcoensis Knirsch, 1925
| | |
| Species | Trechus sardous Dodero, 1917
| | |
| Species | Trechus saxatilis Casey, 1918
| | |
| Species | Trechus scapularis Putzeys, 1870
| | |
| Species | Trechus scharifi Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus schatzmayri Focarile, 1949 ⇒ Trechus (Trechus) arthuri
| | |
| Species | Trechus scheerpeltzi Winkler, 1936
| | |
| Species | Trechus schusteri Ganglbauer, 1891
| | |
| Species | Trechus sciakyi Allegro & Giachino, 2016
| | |
| Species | Trechus scitulus Péringuey, 1896
| | |
| Species | Trechus sculptus Schaum, 1860 ⇒ Trechus (Trechus) amplicollis
| | |
| Species | Trechus sejunctus Leleup, 1945
| | |
| Species | Trechus sendrai Comas & Mateu, 2008
| | |
| Species | Trechus serbicus Apfelbeck, 1902
| | |
| Species | Trechus serianensis Breit, 1913
| | |
| Species | Trechus sericeus J.T.Fleischer, 1829
| | |
| Species | Trechus severi Ganglbauer, 1887
| | |
| Species | Trechus shangensis Belousov & Kabak, 2020
| | |
| Species | Trechus shennongi Ueno, 2004
| | |
| Species | Trechus shennongjianus Deuve, 2002
| | |
| Species | Trechus shibalicus Deuve & Kavanaugh, 2016
| | |
| Species | Trechus shiyueliang Deuve & Liang, 2016
| | |
| Species | Trechus sichuanicola Deuve, 1989
| | |
| Species | Trechus similis Kirby, 1837
| | |
| Species | Trechus simoni Abeille de Perrin, 1880 ⇒
| | |
| Species | Trechus simonyi Ganglbauer, 1891 ⇒ Trechus (Trechus) glacialis
| | |
| Species | Trechus simsoni Blackburn, 1894 ⇒ Sloanella simsoni
| | |
| Species | Trechus sinjanus G.Müller, 1913
| | |
| Species | Trechus sjostedti Alluaud, 1926
| | |
| Species | Trechus slovenicus Schweiger, 1950
| | |
| Species | Trechus smetanai Deuve, 2017
| | |
| Species | Trechus socius Apfelbeck, 1902 ⇒ Trechus (Trechus) alpicola acutangulus
| | |
| Species | Trechus soledadinus Guérin-Méneville, 1830
| | |
| Species | Trechus soleymanensis Morvan, 1976 ⇒ Trechus (Trechus) deliae
| | |
| Species | Trechus solidior Blackburn, 1901
| | |
| Species | Trechus solieri Reed, 1874
| | |
| Species | Trechus sollaudi Jeannel, 1916
| | |
| Species | Trechus solutilis Péringuey, 1908
| | |
| Species | Trechus spaethi Ganglbauer, 1904
| | |
| Species | Trechus spectabilis Mannerheim, 1852
| | |
| Species | Trechus speiseri Ganglbauer, 1892
| | |
| Species | Trechus spelaeus Reitter, 1870
| | |
| Species | Trechus spiniplatus Belousov & Kabak, 1998
| | |
| Species | Trechus splugensis Jeannel, 1927 ⇒ Trechus (Trechus) schaumii
| | |
| Species | Trechus springeri G.Müller, 1921
| | |
| Species | Trechus staudacheri G.Müller, 1923
| | |
| Species | Trechus stenocephalus Apfelbeck, 1918
| | |
| Species | Trechus stenoderus Jeannel, 1935
| | |
| Species | Trechus stephani G.Müller, 1913
| | |
| Species | Trechus strandzhensis Kostova & Bekchiev, 2023
| | |
| Species | Trechus striatus Allegro & Giachino, 2016
| | |
| Species | Trechus sturanyi Apfelbeck, 1904
| | |
| Species | Trechus styriacus Grimmer, 1841 ⇒ Trechus (Trechus) pilisensis
| | |
| Species | Trechus styx Apfelbeck, 1904
| | |
| Species | Trechus subcylindricus G.Müller, 1913
| | |
| Species | Trechus subnaevulus Reitter, 1903 ⇒ Trechus (Trechus) quadrimaculatus
| | |
| Species | Trechus subornatellus Blackburn, 1901
| | |
| Species | Trechus subparallelus Abeille de Perrin, 1904
| | |
| Species | Trechus subterraneus L.Miller, 1868
| | |
| Species | Trechus subzoigeicola Deuve, 2009
| | |
| Species | Trechus sucainus G.Müller, 1924
| | |
| Species | Trechus sudeticus Pawlowski, 1975 ⇒ Trechus (Trechus) pilisensis
| | |
| Species | Trechus suopoensis Belousov & Kabak, 2020
| | |
| Species | Trechus surdipennis Mateu & Deuve, 1979 ⇒ Trechus (Trechus) franzianus
| | |
| Species | Trechus svircevi G.Müller, 1925
| | |
| Species | Trechus sylvaticus L. Gaudin, 1925 ⇒ Trechus (Trechus) bordei
| | |
| Species | Trechus sylviahofmannae J.Schmidt, 2017
| | |
| Species | Trechus synaeces Jeannel, 1935
| | |
| Species | Trechus syriacus Putzeys, 1870 ⇒ Trechus (Trechus) quadristriatus
| | |
| Species | Trechus tabulae Péringuey, 1898
| | |
| Species | Trechus tahodiensis Jeannel, 1936 ⇒ Trechus (Trechus) felix
| | |
| Species | Trechus tahoensis Casey, 1918
| | |
| Species | Trechus taibaicola Deuve, 2001
| | |
| Species | Trechus taishi Belousov & Kabak, 1996
| | |
| Species | Trechus taitii Magrini, 1986
| | |
| Species | Trechus tamgaicus Belousov & Kabak, 1992
| | |
| Species | Trechus tarantsha Belousov & Kabak, 1994
| | |
| Species | Trechus tasmaniae Blackburn, 1901
| | |
| Species | Trechus tastavensis Belousov & Kabak, 1994
| | |
| Species | Trechus tauricus Winkler, 1912
| | |
| Species | Trechus temporalis Apfelbeck, 1902 ⇒ Trechus (Trechus) priapus priapus
| | |
| Species | Trechus tenerifensis Franz, 1981 ⇒ Trechus (Trechus) tenoensis
| | |
| Species | Trechus testaceus Duftschmid, 1812 ⇒ Trechus (Trechus) pilisensis
| | |
| Species | Trechus tewoicus Deuve, 2009
| | |
| Species | Trechus thracicus Pawlowski, 1973
| | |
| Species | Trechus tiani Deuve, 2002
| | |
| Species | Trechus tibialis Kirby, 1837
| | |
| Species | Trechus tiupicus Belousov & Kabak, 1994
| | |
| Species | Trechus tolminensis G.Müller, 1922
| | |
| Species | Trechus tombeanus Ganglbauer, 1904
| | |
| Species | Trechus torgaut Belousov & Kabak, 2019
| | |
| Species | Trechus tragelaphus J.Schmidt & Faille, 2018
| | |
| Species | Trechus transdanubiensis Nonveiller, Paviƒeviƒ & Popoviƒ, 1994
| | |
| Species | Trechus transversicollis J.Schmidt & Faille, 2018
| | |
| Species | Trechus transylvanicus Jeannel, 1921 ⇒ Trechus (Trechus) rhilensis
| | |
| Species | Trechus trebicianus G.Müller, 1914
| | |
| Species | Trechus trebinjensis Apfelbeck, 1904
| | |
| Species | Trechus trescavicensis Ganglbauer, 1891
| | |
| Species | Trechus treulandi G.Müller, 1909
| | |
| Species | Trechus tristis Duftschmid, 1812 ⇒ Trechus (Trechus) nigrinus
| | |
| Species | Trechus troglodytes Jeannel, 1920
| | |
| Species | Trechus truilheti Coiffait, 1952
| | |
| Species | Trechus tsanmensis Belousov & Kabak, 2019
| | |
| Species | Trechus turinensis Jeannel, 1922 ⇒ Trechus (Trechus) delarouzeei
| | |
| Species | Trechus udiensis Ortuño, 2017
| | |
| Species | Trechus uhagoni Crotch, 1869
| 3 | Subspecies |
| Species | Trechus ukokensis Belousov & Kabak, 1996
| | |
| Species | Trechus unisetosus Deuve, 2004
| | |
| Species | Trechus unzenensis Jeannel, 1930
| | |
| Species | Trechus usun Belousov & Kabak, 1992
| | |
| Species | Trechus utahensis Schaeffer, 1915
| | |
| Species | Trechus utsi J.Schmidt, 2016
| | |
| Species | Trechus vagans Jeannel, 1960
| | |
| Species | Trechus vallierensis Coiffait, 1974
| | |
| Species | Trechus vallombrosus G. & F.Rasetti, 1920
| | |
| Species | Trechus valstronae Focarile, 1949 ⇒ Trechus (Trechus) strigipennis
| | |
| Species | Trechus vandeli Coiffait, 1952
| | |
| Species | Trechus variicornis Putzeys, 1870
| | |
| Species | Trechus vasconicus Jeannel, 1920 ⇒ Trechus (Trechus) fulvus fulvus
| | |
| Species | Trechus velatensis Colas & A. Gaudin, 1935
| | |
| Species | Trechus velebiticus Ganglbauer, 1904
| | |
| Species | Trechus venetus Jeannel, 1931
| | |
| Species | Trechus ventriosus Jeannel, 1927
| | |
| Species | Trechus verbasci Duftschmid, 1812
| | |
| Species | Trechus verneri Jeannel, 1920
| | |
| Species | Trechus vesulinus Jeannel, 1927 ⇒ Trechus (Trechus) putzeysi
| | |
| Species | Trechus vicinus Putzeys, 1870 ⇒ Trechus (Trechus) melanocephalus
| | |
| Species | Trechus victoriae Blackburn, 1894
| | |
| Species | Trechus vidaretensis Bokor, 1921
| | |
| Species | Trechus vilasecai Zariquiey, 1920
| | |
| Species | Trechus villardi Bedel, 1883
| | |
| Species | Trechus vittatus Graells, 1858
| | |
| Species | Trechus vivax Péringuey, 1896
| | |
| Species | Trechus vivesi Jeanne, 1976
| | |
| Species | Trechus vranensis Breit, 1904
| | |
| Species | Trechus vulcanus Abeille de Perrin, 1904
| | |
| Species | Trechus vulneripennis W.S.MacLeay, 1825
| | |
| Species | Trechus wanghaifengensis Deuve, 1988
| | |
| Species | Trechus weberi Ganglbauer, 1911
| | |
| Species | Trechus weingaertneri Winkler, 1912
| | |
| Species | Trechus wienckei Rousseau, 1900
| | |
| Species | Trechus wiersbowskyi J.Schmidt & Faille, 2018
| | |
| Species | Trechus wingelmuelleri Ganglbauer, 1904
| | |
| Species | Trechus wollastoni Jeannel, 1922 ⇒ Trechus (Trechus) umbricola
| | |
| Species | Trechus wrzecionkoellus Deuve, 2011
| | |
| Species | Trechus wrzecionkoianus Deuve, 2005
| | |
| Species | Trechus yatsenkokhmelevskyi Iablokoff-Khnzorian, 1960
| | |
| Species | Trechus zangezuricus Iablokoff‑Khnzorian, 1966 ⇒ Trechus (Trechus) melanocephalus
| | |
| Species | Trechus zhicharevi Lutshnik, 1915
| | |
| Species | Trechus zhugquicus Deuve, 2009
| | |
| Species | Trechus zierisi P. Moravec, 1987 ⇒ Trechus (Trechus) arnoldii
| | |
| Species | Trechus zivkovi Knirsch, 1925
| | |
| Species | Trechus zorgatii Quéinnec & Ollivier, 2013
| | |
