| Subgenus | Duvalius (Biharotrechus)
Bokor, 1922 ⇒ Duvalius
| 132 | Species |
| Subgenus | Duvalius (Duvalidius)
Jeannel, 1928
| 23 | Species |
| Subgenus | Duvalius (Duvalius)
Delarouzée, 1859
| 69 | Species |
| Subgenus | Duvalius (Euduvalius)
Jeannel, 1928
| 14 | Species |
| Subgenus | Duvalius (Hungarotrechus)
Bokor, 1922 ⇒ Duvalius
| 54 | Species |
| Subgenus | Duvalius (Inotrechus)
Dolzhanski & Levushkin, 1989
| 0 | Species |
| Subgenus | Duvalius (Neoduvalius)
Müller, 1913 ⇒ Duvalius
| 22 | Species |
| Subgenus | Duvalius (Paraduvalius)
Knirsch, 1924 ⇒ Duvalius
| 34 | Species |
| Subgenus | Duvalius (Platyduvalius)
Jeannel, 1928 ⇒ Duvalius
| 2 | Species |
| Subgenus | Duvalius (Rascioduvalius)
Curcic, Brajkovic, Mitic & Curcic, 2003
| 3 | Species |
| Subgenus | Duvalius (Trechopsis)
Peyerimhoff, 1908 ⇒ Duvalius
| 4 | Species |
| Subgenus | Duvalius (Typhloduvalius)
Hurka & Pulpan, 1980 ⇒ Duvalius
| 503 | Species |
| Species | Duvalius acherontius Schaufuss, 1881 ⇒ Duvalius (Neoduvalius) reitteri
| | |
| Species | Duvalius adamellensis Jeannel, 1926
| | |
| Species | Duvalius aemiliae Vanni & Magrini, 1986 ⇒
| | |
| Species | Duvalius aequalis Jeannel, 1931
| | |
| Species | Duvalius almosi Bokor, 1921
| | |
| Species | Duvalius alticola Laneyrie, 1952
| | |
| Species | Duvalius amblygonus Jeannel, 1926
| | |
| Species | Duvalius amicorum Lompe, 2015
| | |
| Species | Duvalius angelae Vanni & Magrini, 1984
| | |
| Species | Duvalius angustatus Jeannel, 1928
| | |
| Species | Duvalius annae Briganti, 1976
| | |
| Species | Duvalius anubis Bokor, 1913
| | |
| Species | Duvalius apenninus Gestro, 1885 ⇒
| | |
| Species | Duvalius arcticollis Jeannel, 1928
| | |
| Species | Duvalius aspettatii Magrini, 1982
| | |
| Species | Duvalius augusti Casale & Giacgino&Vailati, 2021
| | |
| Species | Duvalius bakalowiczi Coiffait, 1973 ⇒ Duvalius (Duvalius) huetheri huetheri
| | |
| Species | Duvalius baznosanui Mallasz, 1928
| | |
| Species | Duvalius beljanicae S.Curcic, Vrbica & Antic&B.Curcic, 2014
| | |
| Species | Duvalius bernardi J. Ochs, 1949 ⇒
| | |
| Species | Duvalius bernii Vanni & Magrini, 1986
| | |
| Species | Duvalius bettii Magrini, 1982
| | |
| Species | Duvalius bettingeri Fagniez, 1927
| | |
| Species | Duvalius bihariensis Csiki, 1911
| | |
| Species | Duvalius binaghii Vigna Taglianti, 1982
| | |
| Species | Duvalius biroi Csiki, 1905
| | |
| Species | Duvalius bjelasnicensis Winkler, 1926
| | |
| Species | Duvalius bogovinae S.Curcic, Vrbica & Antic&B.Curcic, 2014
| | |
| Species | Duvalius boissyi Bonadona, 1955
| | |
| Species | Duvalius bokorianus Csiki, 1910 ⇒ Duvalius (Duvalidius) hungaricus hungaricus
| | |
| Species | Duvalius bolivari Zariquiey, 1920 ⇒
| | |
| Species | Duvalius bonadonai Colas, 1948
| | |
| Species | Duvalius boursini Fagniez, 1922 ⇒
| | |
| Species | Duvalius bozidari S.Curcic & Pavicevic, 2016
| | |
| Species | Duvalius brescianus Jeannel, 1926
| | |
| Species | Duvalius brianii Mancini, 1912
| | |
| Species | Duvalius broziki Hçrka & Pulpán, 1980
| | |
| Species | Duvalius brzotinensis Janak, 1987
| | |
| Species | Duvalius busii Magrini & Vanni, 1984
| | |
| Species | Duvalius cailloti
| 1 | Subspecies |
| Species | Duvalius canevai Gestro, 1885
| | |
| Species | Duvalius carottii Magrini & Landi, 2017
| | |
| Species | Duvalius carrarae Jeannel, 1928
| | |
| Species | Duvalius cartolarii Pomini, 1936
| | |
| Species | Duvalius cautus Peyerimhoff, 1904
| | |
| Species | Duvalius cavifuga Ganglbauer, 1900
| | |
| Species | Duvalius cayrosensis Giordan, 1985
| | |
| Species | Duvalius ceremosnjensis Pavicevic & S.Curcic, 2018
| | |
| Species | Duvalius cernisorensis Decou, 1962
| | |
| Species | Duvalius chappuisi Jeannel, 1926
| | |
| Species | Duvalius chestai Casale & Giachino&Lana, 2019
| | |
| Species | Duvalius chiarae Magrini, Vanni & Degiovanni, 1997
| | |
| Species | Duvalius chicioarae Jeannel, 1931 ⇒ Duvalius (Biharotrechus) cicioarae
| | |
| Species | Duvalius chironis Casale, Giachino & Vailati&Felix, 2017
| | |
| Species | Duvalius closanensis Jeannel, 1928
| | |
| Species | Duvalius colbrandti Ochs, 1949
| | |
| Species | Duvalius colbranti J. Ochs, 1949
| | |
| Species | Duvalius creachi Giordan & Raffaldi, 1983 ⇒
| | |
| Species | Duvalius csatoi Csiki, 1913 ⇒ Duvalius (Biharotrechus) sziladyi sziladyi
| | |
| Species | Duvalius csikii Mihok, 1912
| | |
| Species | Duvalius cycnus Busi & Rocca, 1983
| | |
| Species | Duvalius dacicus J. Frivaldszky, 1883
| | |
| Species | Duvalius decoui Casale & Laneyrie, 1982
| | |
| Species | Duvalius delecolleae Giordan, 1989
| | |
| Species | Duvalius dellermae Magrini & Sbordoni, 2020
| | |
| Species | Duvalius deserticola Jeannel & J. Ochs, 1938 ⇒
| | |
| Species | Duvalius deubeli Ganglbauer, 1895 ⇒ Duvalius (Hungarotrechus) merklii merklii
| | |
| Species | Duvalius devillei Fagniez, 1921
| | |
| Species | Duvalius devojensis Jeannel, 1924
| | |
| Species | Duvalius dietli Ganglbauer, 1897
| | |
| Species | Duvalius dilatatus Bokor, 1913
| | |
| Species | Duvalius dioszeghyi Mallasz, 1928
| | |
| Species | Duvalius dispar Knirsch, 1913
| | |
| Species | Duvalius doderioi Gestro, 1885
| | |
| Species | Duvalius doriai Fairmaire, 1859
| 5 | Subspecies |
| Species | Duvalius dromioides Reitter, 1897
| | |
| Species | Duvalius dryops Bokor, 1913
| | |
| Species | Duvalius dubiosus Mallasz, 1930 ⇒ Duvalius (Biharotrechus) budae malomvicensis
| | |
| Species | Duvalius elemeri Mihok, 1911
| | |
| Species | Duvalius eremita Jeannel & J. Ochs, 1938
| | |
| Species | Duvalius eximius Putzeys, 1870 ⇒
| | |
| Species | Duvalius extensus Winkler, 1933
| | |
| Species | Duvalius fagniezi Chobaut, 1902
| | |
| Species | Duvalius faillai Magrini & Vanni, 1984
| | |
| Species | Duvalius fatricus Roubal, 1930
| | |
| Species | Duvalius franciscoloi Sanfilippo, 1950 ⇒
| | |
| Species | Duvalius frivaldskyi Ganglbauer, 1903
| | |
| Species | Duvalius frivaldszkyi Ganglbauer, 1903
| | |
| Species | Duvalius gabriellae Casale, Giachino, Vailati & Vigna Taglianti, 1996 ⇒ Duvalius (Duvalius) gabriellavernae
| | |
| Species | Duvalius gajaci Coiffait, 1973 ⇒ Duvalius (Duvalius) huetheri huetheri
| | |
| Species | Duvalius galiberti Jeannel, 1928
| | |
| Species | Duvalius gattoi Daffner, 1984 ⇒
| | |
| Species | Duvalius gaudini J. Ochs, 1926
| | |
| Species | Duvalius gelidus Csiki, 1912
| | |
| Species | Duvalius geomoeriensis Bokor, 1922
| | |
| Species | Duvalius georgevitchi Jeannel, 1924
| | |
| Species | Duvalius ghardanus Jeannel, 1928
| | |
| Species | Duvalius giraudi Barthe, 1921 ⇒ Duvalius (Duvalius) lespesii lespesii
| | |
| Species | Duvalius giromettae J. Müller, 1912
| | |
| Species | Duvalius gordanensis Jeannel & J. Ochs, 1938
| | |
| Species | Duvalius grandis Decou, 1961 ⇒ Duvalius (Biharotrechus) spiessi decoui
| | |
| Species | Duvalius groubei Antoine, 1936
| | |
| Species | Duvalius gyleki Breit, 1911 ⇒ Duvalius (Biharotrechus) paroecus elemeri
| | |
| Species | Duvalius heinzi Casale & Giachino, 1991
| | |
| Species | Duvalius hercegovinensis Knirsch, 1926 ⇒ Duvalius (Neoduvalius) bradycephalus
| | |
| Species | Duvalius hervei Laneyrie & J. Ochs, 1948 ⇒
| | |
| Species | Duvalius horvathi Csiki, 1912 ⇒ Duvalius (Biharotrechus) paroecus elemeri
| | |
| Species | Duvalius humeralis Dodero, 1924
| | |
| Species | Duvalius humerulus Jeannel & J. Ochs, 1938 ⇒
| | |
| Species | Duvalius humi Roubal, 1936 ⇒ Duvalius (Duvalidius) microphthalmus microphthalmus
| | |
| Species | Duvalius hypogaeus Laneyrie, 1952
| | |
| Species | Duvalius illustris Mihok, 1914 ⇒ Duvalius (Biharotrechus) scerisorae
| | |
| Species | Duvalius impar Bonadona, 1955
| | |
| Species | Duvalius incelatus Jeannel, 1923 ⇒ Duvalius (Biharotrechus) redtenbacheri vidaretensis
| | |
| Species | Duvalius infernus Knirsch, 1913
| | |
| Species | Duvalius ingaunus Dodero, 1917 ⇒
| | |
| Species | Duvalius insignis Bokor, 1913 ⇒ Duvalius (Biharotrechus) paroecus dryops
| | |
| Species | Duvalius intermedius Barthe, 1921
| | |
| Species | Duvalius ioannis Magrini, Petrioli & Benelli&Degiovanni, 2016
| | |
| Species | Duvalius islei Barthe, 1921
| | |
| Species | Duvalius jahorinae Jeannel, 1928
| | |
| Species | Duvalius janatai Deuve, 2019
| | |
| Species | Duvalius janitor Jeannel & J. Ochs, 1938
| | |
| Species | Duvalius javorensis Curcic & Brajkovic&Curcic, 2003
| | |
| Species | Duvalius jeanneli Binaghi, 1939 ⇒
| | |
| Species | Duvalius joffrei J. Ochs, 1926
| | |
| Species | Duvalius johnnyi Curti, 1981
| | |
| Species | Duvalius jonescoi Jeannel, 1919
| | |
| Species | Duvalius judicariae Jeannel, 1926
| | |
| Species | Duvalius karaormanicus Hristovski, 2012
| | |
| Species | Duvalius kautianus Apfelbeck, 1907
| | |
| Species | Duvalius kenderessyi Mallasz, 1924 ⇒ Duvalius (Biharotrechus) budae budae
| | |
| Species | Duvalius kileri Muilwijk & Malek Hosseini, 2016
| | |
| Species | Duvalius korbeli Majzlan, 1992 ⇒ Duvalius (Duvalidius) microphthalmus tatricus
| | |
| Species | Duvalius kryzhanovskii Jeannel, 1962
| | |
| Species | Duvalius kutaissianus Zaitzev, 1941
| | |
| Species | Duvalius lanai Casale & Giachino, 2010
| | |
| Species | Duvalius landii Magrini, 2021
| | |
| Species | Duvalius lanzai Straneo, 1943
| | |
| Species | Duvalius lapidicola Bokor, 1913 ⇒ Duvalius (Biharotrechus) hickeri hickeri
| | |
| Species | Duvalius larianus B. Bari, 1940
| | |
| Species | Duvalius laticollis Jeannel, 1926
| | |
| Species | Duvalius lemairi Giordan & Raffaldi, 1982
| | |
| Species | Duvalius leonhardianus Breit, 1913 ⇒ Duvalius (Biharotrechus) pilifer pilifer
| | |
| Species | Duvalius leonidae Ghidini, 1937
| | |
| Species | Duvalius lepsii Mallasz, 1928 ⇒ Duvalius (Biharotrechus) budae malomvicensis
| | |
| Species | Duvalius leptoderus Jeannel, 1947
| | |
| Species | Duvalius lhuilieri Giordan, 1997 ⇒ Duvalius (Typhloduvalius) gentilei vaccai
| | |
| Species | Duvalius liguricus Dieck, 1869
| | |
| Species | Duvalius lindbergi Coiffait, 1962 ⇒ Duvalius (Duvalius) hetschkoi hetschkoi
| | |
| Species | Duvalius loebli Casale & Giachino&Vailati, 2018
| | |
| Species | Duvalius lohaji Queinnec & Ollivier, 2021
| | |
| Species | Duvalius lombardii Straneo, 1939
| | |
| Species | Duvalius longicollis Jeannel, 1928
| | |
| Species | Duvalius longulus Jeannel, 1928
| | |
| Species | Duvalius louveti Fagniez, 1926
| | |
| Species | Duvalius lubnicensis Scheibel, 1934
| | |
| Species | Duvalius lutevanus Jeannel, 1919
| | |
| Species | Duvalius macedo Jeannel, 1919 ⇒ Duvalius (Platyduvalius) macedonicus
| | |
| Species | Duvalius machulkai Roubal, 1929 ⇒ Duvalius (Duvalidius) bokori valyianus
| | |
| Species | Duvalius macrocephalus Bokor, 1921 ⇒ Duvalius (Biharotrechus) paroecus elemeri
| | |
| Species | Duvalius magdalenae Abeille de Perrin, 1869
| | |
| Species | Duvalius maginianus Magrini & Vanni, 1984
| | |
| Species | Duvalius maginii Magrini, 1976
| | |
| Species | Duvalius magistrettii Binaghi, 1939
| | |
| Species | Duvalius magnus Giordan & Raffaldi, 1989
| | |
| Species | Duvalius magrinii Vanni & Lanza, 1983
| | |
| Species | Duvalius maifredii Ghidini, 1962 ⇒ Duvalius (Typhloduvalius) gentilei spagnoloi
| | |
| Species | Duvalius major Giordan & Raffaldi, 1989 ⇒ Duvalius (Biharotrechus) cognatus grandis
| | |
| Species | Duvalius malavoltii Moscardini, 1956
| 2 | Subspecies |
| Species | Duvalius malomvicensis Ganglbauer, 1900
| | |
| Species | Duvalius malomvizensis Csiki, 1902
| | |
| Species | Duvalius marijkeae Casale, Giachino & Vailati&Felix, 2017
| | |
| Species | Duvalius matchai Jedlička, 1929 ⇒ Duvalius (Hungarotrechus) roubali
| | |
| Species | Duvalius matejkai MaÍan, 1939
| | |
| Species | Duvalius melanensis Giordan & Raffaldi, 1999
| | |
| Species | Duvalius menozzii Dodero, 1917
| | |
| Species | Duvalius meziadis Csiki, 1913 ⇒ Duvalius (Biharotrechus) redtenbacheri bihariensis
| | |
| Species | Duvalius micrangulus Jeannel, 1930 ⇒ Duvalius (Biharotrechus) budae dioszeghyi
| | |
| Species | Duvalius microphtalmus Miller, 1859
| | |
| Species | Duvalius mihoki Csiki, 1912 ⇒ Duvalius (Biharotrechus) redtenbacheri biroi
| | |
| Species | Duvalius milutini S.Curcic, Vrbica & Antic&B.Curcic, 2014
| | |
| Species | Duvalius mingazzinii Magrini & Vanni, 1985 ⇒
| | |
| Species | Duvalius mocsaryi Csiki, 1913
| | |
| Species | Duvalius montemurroi Vanni & Magrini, 1986
| | |
| Species | Duvalius montis-tartari
| | |
| Species | Duvalius montisauthionis Jeannel, 1941
| | |
| Species | Duvalius montisblidarii Jeannel, 1928
| | |
| Species | Duvalius montiscetii Jeannel, 1928
| | |
| Species | Duvalius montisgrappae Agazzi, 1960 ⇒
| | |
| Species | Duvalius montissiruolis Jeannel, 1941
| | |
| Species | Duvalius montistartari Jeannel, 1928
| | |
| Species | Duvalius mugellii Magrini, 1982
| | |
| Species | Duvalius naratensis Belousov & Kabak, 2001
| | |
| Species | Duvalius nedelkovi V.B.Gueorguiev, 2005
| | |
| Species | Duvalius netolitzkyi J. Müller, 1908
| | |
| Species | Duvalius nuptialis Csiki, 1912
| | |
| Species | Duvalius occidentalis Knirsch, 1929 ⇒ Duvalius (Biharotrechus) pilifer protectus
| | |
| Species | Duvalius orbayi Hernando, 1999
| | |
| Species | Duvalius orlovacensis S. & B.Curcic, 2012
| | |
| Species | Duvalius owensi Casale & Giachino&Vailati, 2018
| | |
| Species | Duvalius paladinii Magrini, Petrioli, Colacurcio & Benelli&Degiovanni, 2020
| | |
| Species | Duvalius passaueri Lebenbauer, 2005
| | |
| Species | Duvalius pasubianus Ganglbauer, 1901
| | |
| Species | Duvalius patronitii Magrini, Benelli & Petrioli&Degiovanni, 2019
| | |
| Species | Duvalius paulae Fagniez, 1924
| | |
| Species | Duvalius pavionis Jeannel, 1926 ⇒
| | |
| Species | Duvalius peiracavae Jeannel, 1926 ⇒
| | |
| Species | Duvalius petrii Knirsch, 1914 ⇒ Duvalius (Biharotrechus) laevigatus laevigatus
| | |
| Species | Duvalius petriolii Magrini & Baviera&Vigna Taglianti, 2006
| | |
| Species | Duvalius peyerimhoffi Jakobson, 1906
| | |
| Species | Duvalius picciolii Bedel, 1876
| 2 | Subspecies |
| Species | Duvalius picescens Ganglbauer, 1904 ⇒
| | |
| Species | Duvalius problematicus Bokor, 1913 ⇒ Duvalius (Biharotrechus) paroecus paroecus
| | |
| Species | Duvalius profundissimus Mihok, 1914 ⇒ Duvalius (Biharotrechus) scerisorae
| | |
| Species | Duvalius protectus Winkler, 1926
| | |
| Species | Duvalius pseudoparoecus Csiki, 1905
| | |
| Species | Duvalius pupulus Busi & Rocca, 1983
| | |
| Species | Duvalius rambouseki Roubal, 1930
| | |
| Species | Duvalius rambousekianus Knirsch, 1929 ⇒ Duvalius (Duvalidius) subterraneus subterraneus
| | |
| Species | Duvalius rasettii Dodero, 1917
| | |
| Species | Duvalius rectestriatus Bokor, 1921 ⇒ Duvalius (Biharotrechus) paroecus elemeri
| | |
| Species | Duvalius reissi Mihok, 1911
| | |
| Species | Duvalius reufi Pavicevic & Popovic, 2003
| | |
| Species | Duvalius ribaudoi Magrini & Petrioli&Degiovanni, 2010
| | |
| Species | Duvalius rosai Bucciarelli, 1962 ⇒
| | |
| Species | Duvalius rothi Jeannel, 1926
| | |
| Species | Duvalius rtanjensis Vrbica, S.Curcic & Antic&B.Curcic, 2013
| 2 | Subspecies |
| Species | Duvalius sarcoensis Knirsch, 1925
| | |
| Species | Duvalius scheibeli Winkler, 1927
| | |
| Species | Duvalius schoenmanni Fischhuber, 1984 ⇒
| | |
| Species | Duvalius semedanensis Jeannel, 1928 ⇒ Duvalius (Duvalius) jurjurae
| | |
| Species | Duvalius sinjanus J. Müller, 1913
| | |
| Species | Duvalius slovacus Hçrka & Pulpán, 1980
| | |
| Species | Duvalius sobrinus Jeannel, 1926
| | |
| Species | Duvalius socius Knirsch, 1929 ⇒ Duvalius (Biharotrechus) trescavicensis jahorinae
| | |
| Species | Duvalius solarii Gestro, 1898 ⇒
| | |
| Species | Duvalius spagnoloi Gestro, 1885
| | |
| Species | Duvalius spelaeus Reitter, 1870
| | |
| Species | Duvalius speluncarum Csiki, 1912 ⇒ Duvalius (Biharotrechus) cognatus cognatus
| | |
| Species | Duvalius stenocephalus Apfelbeck, 1918
| | |
| Species | Duvalius subcylindricus G.Müller, 1913
| | |
| Species | Duvalius sutinensis Winkler, 1926
| | |
| Species | Duvalius suvoborensis Pavicevic & Popovic, 2003
| | |
| Species | Duvalius suvodolensis Curcic & Brajkovic&Curcic, 2003
| | |
| Species | Duvalius szalayi Csiki, 1912 ⇒ Duvalius (Biharotrechus) paroecus elemeri
| | |
| Species | Duvalius szilicensis Bokor, 1922
| | |
| Species | Duvalius sziliczensis Csiki, 1912
| | |
| Species | Duvalius tatricus Jeannel, 1928
| | |
| Species | Duvalius taxi Breit, 1911
| | |
| Species | Duvalius taxianus Breit, 1912 ⇒ Duvalius (Biharotrechus) budae dacicus
| | |
| Species | Duvalius telionis J. Ochs, 1949 ⇒
| | |
| Species | Duvalius tismanae Jeannel, 1928
| | |
| Species | Duvalius tombeanus Ganglbauer, 1904
| | |
| Species | Duvalius trifunovici Vrbica, S.Curcic & Antic&B.Curcic, 2013
| | |
| Species | Duvalius trisetifer Jeannel, 1926
| | |
| Species | Duvalius troglophilus Csiki, 1907 ⇒ Duvalius (Biharotrechus) cognatus cognatus
| | |
| Species | Duvalius vaccai Gestro, 1885
| | |
| Species | Duvalius vaghezzae Ghidini, 1937
| | |
| Species | Duvalius valyianus Bokor, 1922
| | |
| Species | Duvalius vaquesensis Giordan, 1988
| | |
| Species | Duvalius vareillesi Giordan & Raffaldi, 1983
| | |
| Species | Duvalius veluchianus Scheibel, 1937 ⇒
| | |
| Species | Duvalius veporensis Hçrka, Janák & P. Moravec, 1989
| | |
| Species | Duvalius verdeti Giordan & Raffaldi, 1984 ⇒
| | |
| Species | Duvalius victori Mallasz, 1928 ⇒ Duvalius (Biharotrechus) budae budae
| | |
| Species | Duvalius victoris Bucciarelli, 1972 ⇒
| | |
| Species | Duvalius vidaretensis Bokor, 1921
| | |
| Species | Duvalius vilasecai Zariquiey, 1920
| | |
| Species | Duvalius villardi Bedel, 1883
| | |
| Species | Duvalius vlasuljensis J. Müller, 1931
| | |
| Species | Duvalius vorago Hçrka & Mlejnek, 1995
| | |
| Species | Duvalius waltnerae Lebenbauer, 2004
| | |
| Species | Duvalius wercharatskii Rizun & Yanitskiy, 1994
| | |
| Species | Duvalius zariquieyi Español, 1940 ⇒
| | |
