| Subgenus | Smicronyx (Chalybodontus)
Chalybodontus, 1885
| 1 | Species |
| Subgenus | Smicronyx (Desmoris)
LeConte, 1876
| 7 | Species |
| Subgenus | Smicronyx (Pachyphanes)
Dietz, 1894
| 5 | Species |
| Subgenus | Smicronyx (Pseudosmicronyx)
Klima, 1934 ⇒ Smicronyx (Pseudromicronyx)
| 8 | Species |
| Subgenus | Smicronyx (Pseudromicronyx)
Dietz, 1894
| 0 | Species |
| Subgenus | Smicronyx (Smicronyx)
Smicronyx, 1843
| 29 | Species |
| Species | Smicronyx abnormis Dietz, 1894
| | |
| Species | Smicronyx adjamati Haran, 2018
| | |
| Species | Smicronyx albidosquamosus Klima, 1934
| | |
| Species | Smicronyx albofasciatus Chevrolat, 1879
| | |
| Species | Smicronyx albopictus Faust, 1882
| | |
| Species | Smicronyx albosignatus Suffrian, 1871
| | |
| Species | Smicronyx albovariegatus Faust, 1891
| | |
| Species | Smicronyx alfierii Pic, 1913
| | |
| Species | Smicronyx angolanus Hustache, 1936
| | |
| Species | Smicronyx angusticollis Fairmaire, 1875
| | |
| Species | Smicronyx angustus Fairmaire, 1875
| | |
| Species | Smicronyx anthracinus Faust, 1898
| | |
| Species | Smicronyx antiquus ♰ B. Förster, 1891
| | |
| Species | Smicronyx argentinensis Hustache, 1939
| | |
| Species | Smicronyx armipes Voss, 1962
| | |
| Species | Smicronyx atratus Dietz, 1894
| | |
| Species | Smicronyx australis Haran, 2021
| | |
| Species | Smicronyx balassogloi Faust, 1885
| | |
| Species | Smicronyx basalis Schultze, 1897
| | |
| Species | Smicronyx bipunctatus Karasjov & Okrajko, 1998
| | |
| Species | Smicronyx bisignatus Hoffmann, 1968
| | |
| Species | Smicronyx bituberculatus Faust, 1898
| | |
| Species | Smicronyx brenskei Faust, 1887
| | |
| Species | Smicronyx buchnerae Haran, 2018
| | |
| Species | Smicronyx caecus Schoenherr, 1843
| | |
| Species | Smicronyx californicus Dietz, 1894
| | |
| Species | Smicronyx caseyi Blatchley, 1916 ⇒ Smicronyx (Pseudosmicronyx) commixtus
| | |
| Species | Smicronyx cataphractus Champion, 1902
| | |
| Species | Smicronyx celaenus Pierce, 1939
| | |
| Species | Smicronyx centropustulatus Faust, 1891
| | |
| Species | Smicronyx championi Fowler, 1890
| | |
| Species | Smicronyx championis Fowler, 1890
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| Species | Smicronyx chilensis Kuschel, 1952
| | |
| Species | Smicronyx cicur Gyllenhal, 1836
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| Species | Smicronyx cicus Gyllenhal, 1835
| | |
| Species | Smicronyx cinerascens Dietz, 1894 ⇒ Smicronyx (Pseudosmicronyx) squalidus
| | |
| Species | Smicronyx cinereus Motschulsky, 1845
| | |
| Species | Smicronyx clavofulva Hoffmann, 1962
| | |
| Species | Smicronyx cognatus Dietz, 1894 ⇒ Smicronyx mucidus
| | |
| Species | Smicronyx columbianus Dietz, 1894 ⇒ Smicronyx (Pseudosmicronyx) corniculatus
| | |
| Species | Smicronyx compar Dietz, 1894
| | |
| Species | Smicronyx congestus Casey, 1892
| | |
| Species | Smicronyx connivens Casey, 1892 ⇒ Smicronyx (Pseudosmicronyx) corniculatus
| | |
| Species | Smicronyx conspersus Dejean, 1836
| | |
| Species | Smicronyx convexus Anderson, 1962
| | |
| Species | Smicronyx crassithorax Haran, 2018
| | |
| Species | Smicronyx cretaceus Tournier, 1874
| | |
| Species | Smicronyx cuscutae Marshall, 1922
| | |
| Species | Smicronyx cuscutiflorae Pierce, 1939
| | |
| Species | Smicronyx defricans Casey, 1892
| | |
| Species | Smicronyx dentirostris Morimoto & Lee, 1992
| | |
| Species | Smicronyx desbrochersi Klima, 1934
| | |
| Species | Smicronyx dietzi Klima, 1934 ⇒ Smicronyx (Pseudosmicronyx) flavicans
| | |
| Species | Smicronyx dorsomaculatus Cox, 1997
| | |
| Species | Smicronyx drakensbergensis Haran, 2021
| | |
| Species | Smicronyx elsegundinis Pierce, 1939
| | |
| Species | Smicronyx erichsoni Hochhuth, 1847
| | |
| Species | Smicronyx erichsonii Hochhuth, 1847
| | |
| Species | Smicronyx fallaciosus Klima, 1934 ⇒ Smicronyx (Pseudosmicronyx) corniculatus
| | |
| Species | Smicronyx fallax Schoenherr, 1843 ⇒ Smicronyx (Pseudosmicronyx) corniculatus
| | |
| Species | Smicronyx fasciatus Faust, 1894
| | |
| Species | Smicronyx fiducialis Casey, 1892
| | |
| Species | Smicronyx floridanus Dietz, 1894
| | |
| Species | Smicronyx fraterculus Dietz, 1894
| | |
| Species | Smicronyx fulvipes Reiche, 1858
| | |
| Species | Smicronyx gentianae Morimoto & Kojima, 2007
| | |
| Species | Smicronyx ghanii Anderson, 1974
| | |
| Species | Smicronyx gibbirostris Casey, 1892 ⇒ Smicronyx (Smicronyx) sculpticollis
| | |
| Species | Smicronyx giganteus Hustache, 1935
| | |
| Species | Smicronyx gossypii Marshall, 1942
| | |
| Species | Smicronyx gracilipes Haran, 2021
| | |
| Species | Smicronyx griseus LeConte, 1876
| | |
| Species | Smicronyx guineanus Voss, 1956
| | |
| Species | Smicronyx helenae Karasyov & Okrajko, 1998
| | |
| Species | Smicronyx hemigrammus Chevrolat, 1880
| | |
| Species | Smicronyx immaculatus Anderson, 1962
| | |
| Species | Smicronyx impressirostris Dietz, 1894 ⇒ Smicronyx (Pseudosmicronyx) tesselatus
| | |
| Species | Smicronyx inornatus Anderson, 1974
| | |
| Species | Smicronyx instabilis Casey, 1892
| | |
| Species | Smicronyx intricatus Casey, 1892
| | |
| Species | Smicronyx italica Voss, 1953
| | |
| Species | Smicronyx italicus Voss, 1953
| | |
| Species | Smicronyx japonicus Morimoto & Matoba, 2009
| | |
| Species | Smicronyx jordanicus
| | |
| Species | Smicronyx kenyanus Haran, 2018
| | |
| Species | Smicronyx kiboanus Voss, 1971
| | |
| Species | Smicronyx kiesenwetteri Tournier, 1874
| | |
| Species | Smicronyx krausei Karasjov & Okrajko, 1998
| | |
| Species | Smicronyx kubanicus Reitter, 1888
| | |
| Species | Smicronyx lallemandi
| | |
| Species | Smicronyx languidulus Dietz, 1894
| | |
| Species | Smicronyx lanuginosus Dietz, 1894
| | |
| Species | Smicronyx latisquamis Champion, 1910
| | |
| Species | Smicronyx launginosus Dietz, 1894
| | |
| Species | Smicronyx leonardii Karasyov & Okrajko, 1998
| | |
| Species | Smicronyx lepidus Dietz, 1894
| | |
| Species | Smicronyx longinotus Karasjov & Okrajko, 1998
| | |
| Species | Smicronyx longirostris Lea, 1926
| | |
| Species | Smicronyx longitarsis Haran, 0
| | |
| Species | Smicronyx loricatus Champion, 1902
| | |
| Species | Smicronyx lutulentus Dietz, 1894
Parthenium seed-feeding weevil, Seed-feeding weevil | | |
| Species | Smicronyx mackenziei Sleeper, 1955
| | |
| Species | Smicronyx maculatus Dietz, 1894 ⇒ Smicronyx (Pseudosmicronyx) flavicans
| | |
| Species | Smicronyx madaranus Kono, 1930
| | |
| Species | Smicronyx maerens Marshall, 1940
| | |
| Species | Smicronyx marmoratus Rey, 1893
| | |
| Species | Smicronyx metallescens Kolenati, 1859
| | |
| Species | Smicronyx minusculus Betta, 1857
| | |
| Species | Smicronyx minutissimus Blatchley & Leng, 1928 ⇒ Smicronyx perpusillus
| | |
| Species | Smicronyx modestus Tournier, 1874
| | |
| Species | Smicronyx morio Dietz, 1894 ⇒ Smicronyx (Pseudosmicronyx) squalidus
| | |
| Species | Smicronyx motschulskyi Tournier, 1874
| | |
| Species | Smicronyx mucidus Dietz, 1894
| | |
| Species | Smicronyx namibicus Haran, 2018
| | |
| Species | Smicronyx nubilus Dietz, 1894 ⇒ Smicronyx defricans
| | |
| Species | Smicronyx obrieni Anderson, 2006
| | |
| Species | Smicronyx obscurus Anderson, 1962
| | |
| Species | Smicronyx obtectus LeConte, 1876
| | |
| Species | Smicronyx opacus Briosut Ch., 1860
| | |
| Species | Smicronyx orientalis Karasyov & Okrajko, 1998
| | |
| Species | Smicronyx ornatipennis Dietz, 1894 ⇒ Smicronyx (Pseudosmicronyx) flavicans
| | |
| Species | Smicronyx pacificus Anderson, 1962
| | |
| Species | Smicronyx pallidus Anderson, 1962
| | |
| Species | Smicronyx parafasciatus Anderson, 1974
| | |
| Species | Smicronyx parcus Dietz, 1894 ⇒ Smicronyx abnormis
| | |
| Species | Smicronyx paucisquamis Haran, 2021
| | |
| Species | Smicronyx perfidus Dietz, 1894
| | |
| Species | Smicronyx perplexus Dietz, 1894 ⇒ Smicronyx cinereus
| | |
| Species | Smicronyx perpusillus Casey, 1892
| | |
| Species | Smicronyx pestifer
| | |
| Species | Smicronyx picipes Dietz, 1894 ⇒ Smicronyx griseus
| | |
| Species | Smicronyx pilosellus
| | |
| Species | Smicronyx politus Boheman, 1843 ⇒ Smicronyx smreczynskii
| | |
| Species | Smicronyx porrectus Boheman, 1843
| | |
| Species | Smicronyx posticatus
| | |
| Species | Smicronyx posticus Dietz, 1894
| | |
| Species | Smicronyx praecox Faust, 1885
| | |
| Species | Smicronyx profusus Casey, 1892
| | |
| Species | Smicronyx pseudocoecus Haran, 2021
| | |
| Species | Smicronyx punctatus Desbrochers, 1896
| | |
| Species | Smicronyx puncticollis Tournier, 1874
| | |
| Species | Smicronyx pusillus Dietz, 1894
| | |
| Species | Smicronyx pusio LeConte, 1876
| | |
| Species | Smicronyx quadrituberculatus Hustache, 1936
| | |
| Species | Smicronyx rectirostris Blatchley, 1922
| | |
| Species | Smicronyx regularis Rey, 1886
| | |
| Species | Smicronyx reichei Schoenherr, 1843
| | |
| Species | Smicronyx reichii Gyllenhal, 1836
| | |
| Species | Smicronyx remaudierei Hoffmann, 1954
| | |
| Species | Smicronyx resplendens Dietz, 1894
| | |
| Species | Smicronyx robustus Faust, 1885
| | |
| Species | Smicronyx roridus Marshall, 1952
| | |
| Species | Smicronyx rudicollis Fairmaire, 1875
| | |
| Species | Smicronyx rufipennis Tournier, 1874
| | |
| Species | Smicronyx rufipes Kiesenwetter, 1864
| | |
| Species | Smicronyx rufovittatus Anderson, 1974
| | |
| Species | Smicronyx rufulus Dietz, 1894 ⇒ Smicronyx pusio
| | |
| Species | Smicronyx rufus Haran, 2018
| | |
| Species | Smicronyx rusticus Dietz, 1894 ⇒ Smicronyx (Desmoris) incertus
| | |
| Species | Smicronyx sagittatus Casey, 1892 ⇒ Smicronyx (Smicronyx) sculpticollis
| | |
| Species | Smicronyx san Haran, 2021
| | |
| Species | Smicronyx scalator Dietz, 1894 ⇒ Smicronyx mucidus
| | |
| Species | Smicronyx seriatus LeConte, 1876
| | |
| Species | Smicronyx seriepilosus Tournier, 1874
| | |
| Species | Smicronyx seripilosus Tournier, 1874
| | |
| Species | Smicronyx setulosus Dietz, 1894 ⇒ Smicronyx (Pseudosmicronyx) ovipennis
| | |
| Species | Smicronyx silaceus Casey, 1892
| | |
| Species | Smicronyx similis Haran, 2021
| | |
| Species | Smicronyx smreczynskii Solari, 1952
| | |
| Species | Smicronyx smreczynskyi Solari, 1952
| | |
| Species | Smicronyx sopubiae Marshall, 1940
| | |
| Species | Smicronyx sparsus Casey, 1892
| | |
| Species | Smicronyx spurcus Casey, 1892 ⇒ Smicronyx (Pseudosmicronyx) corniculatus
| | |
| Species | Smicronyx spureus Casey, 1892 ⇒ Smicronyx (Pseudosmicronyx) corniculatus
| | |
| Species | Smicronyx squamulatus LeConte, 1876 ⇒ Smicronyx (Pseudosmicronyx) corniculatus
| | |
| Species | Smicronyx suturellus Motschulsky, 1858
| | |
| Species | Smicronyx swertiae Voss, 1953
| | |
| Species | Smicronyx syriacus Faust, 1887
| | |
| Species | Smicronyx tardus Dietz, 1894
| | |
| Species | Smicronyx tartaricus Faust, 1886
| | |
| Species | Smicronyx tataricus Faust, 1887
| | |
| Species | Smicronyx tectus Champion, 1902
| | |
| Species | Smicronyx tenuirostris Champion, 1902
| | |
| Species | Smicronyx tenuisquamis Champion, 1902
| | |
| Species | Smicronyx teselatus Dietz, 1894
| | |
| Species | Smicronyx tessellatus Klima, 1934 ⇒ Smicronyx (Pseudosmicronyx) tesselatus
| | |
| Species | Smicronyx texana Blatchley, 1916 ⇒ Smicronyx (Smicronyx) quadrifer
| | |
| Species | Smicronyx thoracatus Champion, 1902
| | |
| Species | Smicronyx triangularis Dietz, 1894
| | |
| Species | Smicronyx tunicensis Desbrochers, 1898
| | |
| Species | Smicronyx turkestanicus Karasyov, 1995
| | |
| Species | Smicronyx tychioides LeConte, 1876 ⇒ Smicronyx (Smicronyx) tychoides
| | |
| Species | Smicronyx umbrinus Hustache, 1947
| | |
| Species | Smicronyx ushoensis Anderson, 1974
| | |
| Species | Smicronyx utilis Buchanan, 1941
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| Species | Smicronyx vallium Kuschel, 1949
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| Species | Smicronyx variegatus Schoenherr, 1843
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| Species | Smicronyx varipilis Fairmaire, 1875
| | |
| Species | Smicronyx vitiosus Dietz, 1894 ⇒ Smicronyx (Desmoris) incertus
| | |
| Species | Smicronyx zambianus Haran, 2018
| | |
| Species | Smicronyx zherichini Karasyov & Okrajko, 1998
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| Species | Smicronyx zonatus Haran, 2018
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