# List of Tychius species

This is a list of 631 species in the genus Tychius.

## Tychius species

* Tychius acosmus Tournier, H., 1873
* Tychius adspersulus Desbr. d. Loges, 1908
* Tychius adspersus Desbr. d. Loges, 1908
* Tychius affinis Becker, 1864
* Tychius afflatus Caldara, 1990
* Tychius afflictus Hustache, 1936
* Tychius africanus Franz, 1945
* Tychius akbesianus Pic, M., 1904
* Tychius albidus Klima, A., 1936
* Tychius albilaterus Stierlin, W.G., 1863
* Tychius albocruciatus Reitter, E., 1897
* Tychius alboguttatus Redtenbacher, 1843
* Tychius albolineatus Dejean, 1836
* Tychius albonotatus Pic, M., 1902
* Tychius albosparsus Fåhraeus, O.I., 1871
* Tychius albosuturalis Pic, 1929
* Tychius albosuturatus Pic, M., 1929
* Tychius albovestitus Pic, 1919
* Tychius albovittatus Ch. Bris., 1862
* Tychius albovittis Gemminger, M. & Harold, E. von q., 1871
* Tychius albulus Gyllenhal, 1835
* Tychius algiricus Desbr. d. Loges, 1908
* Tychius alhagi Clark, 1976
* Tychius alluaudi Hoffmann, 1952
* Tychius alpensis Hoffmann, 1961
* Tychius alpinus Hustache, 1926
* Tychius amabilis Faust, J., 1894
* Tychius amandus Faust, J.,
* Tychius ambiguus Caldara, 1996
* Tychius amoenus Say, 1831
* Tychius amplicollis Aubé, 1850
* Tychius amplus Karasev & Caldara, 1992
* Tychius ancora Gyllenhal, 1835
* Tychius angolanus Caldara, 1986
* Tychius annulatus Billberg, 1820
* Tychius antennalis Hustache, 1946
* Tychius antoinei Hustache, 1932
* Tychius antonei Hustache, A., 1932
* Tychius approximatus Desbr. d. Loges, 1908
* Tychius aquilus Caldara, 1996
* Tychius arator Gyllenhal, 1835
* Tychius aratus Say, 1831
* Tychius arcirostris Normand, 1938
* Tychius ardea Faust, J., 1887
* Tychius areatus Rey, C., 1895
* Tychius argentatus Chevrolat, L.A.A., 1859
* Tychius argentellus Desbr. d. Loges, 1908
* Tychius argenteosquamosus Desbr. d. Loges, 1908
* Tychius aridicola Wollaston, T.V., 1864
* Tychius arietatus Tournier, H., 1873
* Tychius armatus Green, 1920
* Tychius armeniacus Pic, M., 1904
* Tychius aspalathi Caldara, 1989
* Tychius asperatus Dufour, 1843
* Tychius astragali Becker, 1862
* Tychius astrifer Caldara, 1996
* Tychius atlasicus Hustache, 1946
* Tychius atomus Casey, 1910
* Tychius auliensis Pic, M., 1904
* Tychius aurarius Boheman, 1843
* Tychius aureolus Hustache, A., 1931
* Tychius aureomicans Tournier, H., 1873
* Tychius auricapillus Suffrian, E., 1871
* Tychius aurichalceus Gyllenhal, 1835
* Tychius auricollis Gyllenhal, 1835
* Tychius auripilus Rey, C., 1895
* Tychius auritus Schoenherr, 1826
* Tychius auroillitus Pic, 1925
* Tychius badius Clark, 1971
* Tychius bajtenovi Caldara, 1986
* Tychius balcanicus Caldara, 1990
* Tychius baldshuanus Penecke, 1936
* Tychius balearicus Desbr. d. Loges, 1908
* Tychius banfii Caldara & Fremuth, 1992
* Tychius barcelonicus Desbr. d. Loges, 1908
* Tychius barclayi Caldara, 2013
* Tychius beckeri Tournier, H., 1873
* Tychius beckerianus Desbr. d. Loges, 1895
* Tychius bedeli Faust, J., 1885
* Tychius bellus Kirsch, T., 1870
* Tychius beloni Pic, M., 1908
* Tychius bertolinii Stierlin, W.G., 1894
* Tychius berytensis Pic, 1917
* Tychius bicolor Ch. Bris., 1862
* Tychius biskrensis Faust, J., 1885
* Tychius bisquamosus Pic, M., 1902
* Tychius bivittatus Klima, A., 1936
* Tychius bremondi Hoffmann, 1942
* Tychius brevicollis Rey, C., 1895
* Tychius brevicornis Waterhouse, 1862
* Tychius brevipennis Pic, M., 1902
* Tychius brevitarsis Hustache, 1946
* Tychius breviusculus Desbr. d. Loges, 1873
* Tychius brisouti Tournier, H., 1873
* Tychius bruleriei Desbr. d. Loges, 1898
* Tychius brunnensis Formánek, 1923
* Tychius caesius Clark, 1971
* Tychius caldarai Dieckmann, 1986
* Tychius callidus Caldara, 1990
* Tychius candidus Marshall, 1941
* Tychius canescens Stephens, 1829
* Tychius capreolus Caldara, 1996
* Tychius caroli Pic, M., 1898
* Tychius carolinae Casey, 1910
* Tychius carpini Schoenherr, 1825
* Tychius centromaculatus Schoenherr, 1843
* Tychius cereris Caldara, 1989
* Tychius cervicolor Desbr. d. Loges, 1908
* Tychius cervinoaureus Desbr. d. Loges, 1908
* Tychius chaboti Hustache, 1923
* Tychius chembaensis Hustache, 1932
* Tychius chevrolati Tournier, H., 1873
* Tychius chobauti Desbr. d. Loges, 1895
* Tychius ciceris Penecke, 1922
* Tychius ciliatus Gyllenhal, 1835
* Tychius ciliciensis Pic, M., 1905
* Tychius cinerascens Stephens, 1829
* Tychius cinnamomeus Kiesenwetter, H. von, 1851
* Tychius circulatus Hustache, 1946
* Tychius clavipes Rey, C., 1895
* Tychius clavivarius Lea, 1915
* Tychius colonnellii Caldara, 1991
* Tychius comptus Tournier, H., 1873
* Tychius conformis Faust, J., 1885
* Tychius confusus Desbr. d. Loges, 1873
* Tychius conspersus Rosenhauer, 1856
* Tychius contemptus Desbr. d. Loges, 1908
* Tychius convexiusculus Desbr. d. Loges, 1908
* Tychius corniculatus Fåhraeus, 1843
* Tychius corsosardous Caldara, 2013
* Tychius crassifemoris Caldara, 1986
* Tychius crassior Desbr. d. Loges, 1908
* Tychius crassirostris Kirsch, T., 1871
* Tychius cretaceus Kiesenwetter, H. von, 1851
* Tychius cristatus Caldara, 1996
* Tychius crypticus Caldara, 1986
* Tychius cupricolor Penecke, 1936
* Tychius cuprifer Schoenherr, 1825
* Tychius cupriferoides Ragusa, 1923
* Tychius cuprinus Rosensch., 1856
* Tychius curtipennis Casey, 1910
* Tychius curtirostris Desbr. d. Loges, 1873
* Tychius curtus Ch. Bris., 1862
* Tychius curvirostris Ch. Bris., 1862
* Tychius cyaneus Dejean,
* Tychius cylindricollis Solari, 1950
* Tychius cylindritubus Desbr. d. Loges, 1908
* Tychius dalmatinus Pic, 1917
* Tychius danieli Franz, 1942
* Tychius decellei Caldara, 1989
* Tychius decoratus Rosenhauer, 1856
* Tychius decretus Tournier, H., 1873
* Tychius deliciosus Perris, E., 1870
* Tychius denominandus Faust, J., 1889
* Tychius densevestitus Caldara in Caldara, Colonnelli & Osella, 2009
* Tychius densisquamis Caldara, 1989
* Tychius dentatus Rey, C., 1895
* Tychius denticrus Desbr. d. Loges, 1892
* Tychius dentipes Tournier, H., 1873
* Tychius depauperatus Wollaston, T.V., 1864
* Tychius deplanatus Desbr. d. Loges, 1873
* Tychius depressicollis Tournier, H., 1873
* Tychius depressus Klima, A., 1936
* Tychius desbrochersi Klima, A., 1936
* Tychius diabolicus Caldara, 1996
* Tychius dieckmanni Caldara, 1986
* Tychius dieneri Hajóss, 1938
* Tychius difficilis Tournier, H., 1873
* Tychius diffusus Caldara, 1989
* Tychius dilectus Casey, 1910
* Tychius dimidiatipennis Desbr. d. Loges, 1873
* Tychius dimidiatirostris Desbr. d. Loges, 1907
* Tychius discicollis Faust, J., 1889
* Tychius discoloma Suffrian, E., 1871
* Tychius discolor Fåhraeus, O.I., 1871
* Tychius dispar Desbr. d. Loges, 1908
* Tychius distans Faust, J., 1885
* Tychius diversepubens Pic, M., 1908
* Tychius doderoi Caldara, 1990
* Tychius dorsalis Billberg, 1820
* Tychius dulcis Casey, 1910
* Tychius echinus Casey, 1910
* Tychius edentatus Desbr. d. Loges, 1895
* Tychius eldae Caldara, 1990
* Tychius elegans Brullé, 1832
* Tychius elegantulus Hustache, A., 1931
* Tychius ellipsiformis Desbr. d. Loges, 1895
* Tychius elongatior Desbr. d. Loges, 1898
* Tychius elongatulus Desbr. d. Loges, 1897
* Tychius elongatus Gyllenhal, 1835
* Tychius endroedyi Caldara, 1989
* Tychius ensirostris Caldara, 1996
* Tychius ephippiatus Fairmaire, 1870
* Tychius eremita Caldara, 1989
* Tychius errans Casey, 1910
* Tychius erraticus Casey, 1910
* Tychius exiguus Faust, J., 1889
* Tychius extensus Caldara, 1989
* Tychius facetus Faust, J., 1891
* Tychius fagniezi Hoffmann, 1936
* Tychius fallax Rey, C., 1895
* Tychius fallens Desbr. d. Loges, 1908
* Tychius fanalesi Ragusa, E., 1908
* Tychius farinosus Gebler, 1830
* Tychius fasciatus Billberg, 1820
* Tychius fatuus Casey, 1910
* Tychius fausti Reitter, E., 1896
* Tychius femoralis Ch. Bris., 1862
* Tychius femoratus Tempère, 1961
* Tychius ferox Wickham, H.F., 1917
* Tychius festivus Caldara, 1990
* Tychius filirostris Wollaston, T.V., 1854
* Tychius flavicollis Stephens, 1829
* Tychius flavicornis Desbr. d. Loges, 1897
* Tychius flavipes Blanchard, E. in Gay, 1851
* Tychius flavus Becker, 1864
* Tychius florieni Pic, 1919
* Tychius focarilei Solari, 1950
* Tychius franzi Caldara, 1986
* Tychius frater Caldara & Karasyov, 1997
* Tychius fraterculus Casey, 1910
* Tychius fremuthi Caldara, 1990
* Tychius freudei Hoffmann, 1964
* Tychius fulvescens Desbr. d. Loges, 1898
* Tychius funicularis Ch. Bris., 1862
* Tychius fuscipes Chevrolat, L.A.A., 1859
* Tychius gabrieli Penecke, 1927
* Tychius galloprovincialis Hustache, 1924
* Tychius gambiensis Caldara, 2013
* Tychius genistae Boheman, 1843
* Tychius genistaecola Chevrolat, L.A.A., 1866
* Tychius gentilis Rottenb., 1871
* Tychius gibbipennis Caldara & Korotyaev, 1996
* Tychius gibbosus Caldara, 1989
* Tychius gillerforsi Caldara & Korotyaev, 1996
* Tychius ginsuji Kono, 1930
* Tychius glaucus Desbr. d. Loges, 1908
* Tychius globithorax Desbr. d. Loges, 1873
* Tychius glycyrrhizae Becker, 1864
* Tychius goliathus Karasjov, 1993
* Tychius gossypii Marshall, 1914
* Tychius gracilipes Tournier, H.,
* Tychius gracilitubus Caldara, 1986
* Tychius graecus Kiesenwetter, H. von, 1864
* Tychius grandicollis Desbr. d. Loges, 1873
* Tychius grenieri Ch. Bris., 1861
* Tychius griseus Petri, 1915
* Tychius grypus Casey, 1910
* Tychius haematocephalus Gyllenhal, 1835
* Tychius haematopus Gyllenhal, 1835
* Tychius hauseri Faust, J., 1889
* Tychius hedysaricus Karasev, 1991
* Tychius helenae Caldara, 1989
* Tychius henoni Pic, 1917
* Tychius hesperis Casey, 1910
* Tychius heydeni Tournier, H., 1873
* Tychius hiekei Caldara, 1990
* Tychius hierosolymus Caldara, 1978
* Tychius hipponensis Desbr. d. Loges, 1908
* Tychius hirtellus Caldara, 1975
* Tychius hirtus Caldara, 1986
* Tychius hispidus Klima, A., 1936
* Tychius hoffmanni Tempère, 1957
* Tychius holdhausi Solari, 1932
* Tychius hordei Brullé, 1832
* Tychius horni Lea, 1910
* Tychius hovanus Hustache, 1920
* Tychius hueti Tournier, H., 1873
* Tychius humeralis Desbr. d. Loges, 1908
* Tychius humilis Caldara, 1989
* Tychius hypaetrus Tournier, H., 1873
* Tychius hyrtoides Caldara, 1986
* Tychius hystrix Casey, 1910
* Tychius icosiensis Peyerimhoff, 1919
* Tychius identipes Pic, 1925
* Tychius ifranensis Hustache, 1946
* Tychius imbellis Casey, 1910
* Tychius imbricatipennis Desbr. d. Loges, 1908
* Tychius imbricatus Klima, A., 1936
* Tychius immaculicollis Desbr. d. Loges, 1908
* Tychius immistus Hoffmann, 1957
* Tychius inapicalis Roubal, 1928
* Tychius indictus Hoffmann, 1957
* Tychius indigoferae Marshall, 1941
* Tychius indutus Desbr. d. Loges, 1898
* Tychius inermis Hoffmann, 1955
* Tychius ininterruptus Fuente, 1912
* Tychius inquinatus Gyllenhal, 1836
* Tychius insularis Klima, A., 1936
* Tychius intermixtus Hatch, 1972
* Tychius intramarginalis Hochhuth, 1847
* Tychius intrusus Faust, J., 1889
* Tychius irishi Caldara, 1989
* Tychius irkutensis Faust, J., 1893
* Tychius italicus Tournier, H., 1873
* Tychius iwatensis Kono, 1930
* Tychius jacqueti Pic, M., 1903
* Tychius joffrei Hoffmann, 1958
* Tychius junceus Schoenherr, 1825
* Tychius jungermannii Schoenherr, 1825
* Tychius junior Gozis, M des, 1886
* Tychius karakarlensis Bajtenov, 1974
* Tychius kaszabi Caldara, 1986
* Tychius khnzoriani Caldara, 1990
* Tychius kiesenwetteri Tournier, H., 1873
* Tychius kirbyi Waterhouse, 1862
* Tychius kirschi Faust, J., 1884
* Tychius klapperichi Voss, 1960
* Tychius kocheri Hustache, 1946
* Tychius konstantinovi Karasev & Caldara, 1992
* Tychius kostali Karasev & Caldara, 1992
* Tychius krausei Caldara, 1985
* Tychius kulzeri Penecke, 1934
* Tychius kuschakewitschi Faust, J., 1885
* Tychius languidus Casey, 1910
* Tychius lapathi Billberg, 1820
* Tychius lateralis Penecke, 1922
* Tychius laticollis Perris, E., 1864
* Tychius latiusculus Desbr. d. Loges, 1897
* Tychius latus Foerster, B., 1891
* Tychius lautus Gyllenhal, 1835
* Tychius leonhardi Penecke, 1922
* Tychius leprieuri Pic, M., 1904
* Tychius liljebladi Blatchley, 1916
* Tychius limosus Caldara, 1986
* Tychius lineatellus Stephens, 1831
* Tychius lineatulus Stephens, 1829
* Tychius lineellus LeConte, 1876
* Tychius lineolatus Desbr. d. Loges, 1873
* Tychius litigiosus Tournier, H., 1873
* Tychius lodosi Hoffmann, 1957
* Tychius longiclava Hustache, 1938
* Tychius longicollis Ch. Bris., 1862
* Tychius longicrus Desbr. d. Loges, 1893
* Tychius longinasus Desbr. d. Loges, 1907
* Tychius longitarsis Desbr. d. Loges, 1899
* Tychius longitubus Desbr. d. Loges, 1873
* Tychius longiusculus Desbr. d. Loges, 1898
* Tychius longulus Desbr. d. Loges, 1873
* Tychius longus Desbr. d. Loges, 1895
* Tychius lopatini Karasyov, 1991
* Tychius lopezi Hoffmann, 1957
* Tychius louwi Caldara, 1989
* Tychius luteus Billberg, 1820
* Tychius maculatus Gyllenhal, 1836
* Tychius maculifer Hatch, 1972
* Tychius maculifrons Pic, M., 1904
* Tychius maculosus Stierlin, W.G., 1894
* Tychius magnificus Pic, M., 1904
* Tychius magnithorax Caldara, 2010
* Tychius manderstjernai Heyden, C. von & Heyden, L. von., 1866
* Tychius mandschurica Voss, 1952
* Tychius massagetus Caldara, 1979
* Tychius mathieui Desbr. d. Loges, 1897
* Tychius maximus Petri, 1915
* Tychius maynei Hustache, A., 1924
* Tychius mazurai Formánek, 1923
* Tychius medicaginis Ch. Bris., 1863
* Tychius medius Desbr. d. Loges, 1895
* Tychius mekaliensis Pic, 1915
* Tychius mekalinensis Pic, M., 1915
* Tychius melarhynchus Chevrolat, L.A.A., 1859
* Tychius meliloti Norman, H. Joy, 1932 (sweet clover weevil)
* Tychius mesopotamicus Desbr. d. Loges, 1908
* Tychius metallescens Kolenati, F.A., 1859
* Tychius metallifer Hoffmann, 1958
* Tychius meyeri Pic, 1932
* Tychius mica Klima, A., 1936
* Tychius micaceus Rey, C., 1895
* Tychius mimeticus Caldara, 1989
* Tychius mimulus Penecke, 1926
* Tychius mimus Caldara, 1989
* Tychius minor Karasev & Caldara, 1992
* Tychius mitis Caldara, 1990
* Tychius mitratus Costa, 1862
* Tychius mixtus Desbrochers, J., 1873
* Tychius modestus Tournier, H., 1873
* Tychius modicus Caldara, 1986
* Tychius molestus Faust, J., 1891
* Tychius mollicomus Desbr. d. Loges, 1908
* Tychius mongolicus Csiki, E., 1901
* Tychius montanus Clark, 1971
* Tychius monticola Hustache, 1946
* Tychius morawitzi Becker, 1864
* Tychius moreanus Pic, 1917
* Tychius motschulskyi Tournier, H., 1873
* Tychius mozabitus Pic, M., 1898
* Tychius muellerarum Caldara, 2013
* Tychius nasutus Desbr. d. Loges, 1895
* Tychius naxiae Faust, J., 1889
* Tychius neapolitanus Tournier, H., 1873
* Tychius nefastus Dejean, 1836
* Tychius nemausensis Hoffmann, 1939
* Tychius nervosus Stephens, 1829
* Tychius nigricollis Chevrolat, L.A.A., 1859
* Tychius nigrirostris Waterhouse, 1862
* Tychius nimius Casey, 1910
* Tychius nitidior Rey, 1895
* Tychius nitidirostris Dejean, 1836
* Tychius normandi Hoffmann, 1952
* Tychius normandianus Hoffmann, 1957
* Tychius notabilis Karasyov, 1991
* Tychius obductus Hochhuth, I.H., 1851
* Tychius oberprieleri Caldara, 1989
* Tychius obesus Boheman, 1845
* Tychius oblongiusculus Desbr. d. Loges, 1908
* Tychius obscuripes Korotyaev in Ler (ed.), 1996
* Tychius obscurus Dejean, 1836
* Tychius ochraceus Tournier, H., 1873
* Tychius ochroceras Desbr. d. Loges, 1908
* Tychius oedemerus Penecke, 1936
* Tychius oertzeni Faust, J., 1889
* Tychius olcesei Tournier, H., 1873
* Tychius olcesianus Desbr. d. Loges, 1908
* Tychius ongaroi Caldara, 1996
* Tychius opaculus Desbr. d. Loges, 1898
* Tychius oppositus Desbr. d. Loges, 1908
* Tychius orbiculatus Hustache, 1946
* Tychius oriens Hoffmann, 1964
* Tychius oschianus Faust, J., 1885
* Tychius ovalis Roelofs, W., 1874
* Tychius paganettii Franz, 1942
* Tychius paleolatus Desbr. d. Loges, 1895
* Tychius paradoxus Karasyov, 1991
* Tychius parallelipennis Desbr. d. Loges, 1873
* Tychius parallelogrammus Desbr. d. Loges, 1893
* Tychius parallelus Pic, M., 1908
* Tychius pardalis Escalera, 1914
* Tychius parvula Stephens, J.F., 1831
* Tychius parvulus Stephens, 1831
* Tychius pauperculus Tournier, H., 1873
* Tychius pegaso
* Tychius pelissieri Pic, M., 1905
* Tychius pellitus Desbr. d. Loges, 1908
* Tychius peneckeanus Voss, 1960
* Tychius peneckei Franz, 1942
* Tychius perceptus Hoffmann, 1952
* Tychius pernix Gyllenhal, 1835
* Tychius perpendus Tournier, H., 1873
* Tychius perrinae Caldara, 1990
* Tychius peyerimhoffi Pic, 1917
* Tychius phalarus Clark, 1971
* Tychius phalerata Thoms., 1865
* Tychius phoenicius Franz, 1945
* Tychius picirostris (Fabricius, 1787) (clover seed weevil)
* Tychius pierrei Roudier, 1954
* Tychius piger Caldara, 1989
* Tychius pinguis Caldara, 1989
* Tychius pinnai Caldara & Fremuth, 1992
* Tychius placidus Caldara, 1989
* Tychius planus Caldara, 1989
* Tychius podlussanyi Caldara, 2010
* Tychius polylineatus Schoenherr, 1835
* Tychius ponticus Franz, 1942
* Tychius porcatus Casey, 1910
* Tychius posticus Gyllenhal, 1835
* Tychius potentillae Thoms., 1865
* Tychius poussielguei Hoffmann, 1955
* Tychius praescutellaris Caldara, 1990
* Tychius prasolovi Korotyaev, 1991
* Tychius primita Thoms., 1865
* Tychius probus Casey, 1910
* Tychius procerus Khnzorian, 1962
* Tychius prolixus Casey, 1892
* Tychius pseudogenistae Penecke, 1922
* Tychius pseudonigricollis Hoffmann, 1955
* Tychius pubicollis Petri, 1915
* Tychius puellus Casey, 1910
* Tychius pulcher Pic, 1925
* Tychius pumilus Reitter, E., 1916
* Tychius pungens Caldara, 1986
* Tychius pusillus Germar, 1842
* Tychius pygmaeus Brisout, H., 1860
* Tychius quadrimaculatus
* Tychius quinquelineatus Tournier, H., 1873
* Tychius quinquepunctatus (Linnaeus, C., 1758)
* Tychius radians Casey, 1910
* Tychius raffrayi Tournier, H., 1873
* Tychius rasus Desbr. d. Loges, 1908
* Tychius recognitus Hoffmann, 1952
* Tychius rectinasus Desbr. d. Loges, 1908
* Tychius reduncus Tournier, H., 1873
* Tychius reichei Faust, J., 1890
* Tychius reitterianus Penecke, K.A., 1922
* Tychius retusus Faust, J., 1885
* Tychius riedeli Caldara, 1997
* Tychius robertoi Karasjov, 1993
* Tychius rubanus Faust, J., 1885
* Tychius rubidendus Hoffmann, 1957
* Tychius ruficornis Tournier, H., 1873
* Tychius rufipennis Ch. Bris., 1862
* Tychius rufipes Tournier, H., 1873
* Tychius rufirostris Schoenherr, 1832
* Tychius rufofemoratus Pic, M., 1904
* Tychius rufotheivorus Caldara, 2013
* Tychius rufovittatus Faust, J., 1884
* Tychius rufulus Caldara, 1989
* Tychius rungsi Hoffmann, 1962
* Tychius russicus Desbr. d. Loges, 1908
* Tychius saetosipennis Caldara in Caldara, Colonnelli & Osella, 2009
* Tychius sanctus Pic, 1919
* Tychius sauricus Karasjov & Okrajko, 1998
* Tychius schatzmayri Pic, M., 1910
* Tychius schaumi Stierlin, W.G., 1866
* Tychius schneideri Schoenherr, 1835
* Tychius schuleri Tempère, 1970
* Tychius scythicus Karasjov, 1993
* Tychius seductor Desbr. d. Loges, 1908
* Tychius semiauratus Pic, M., 1904
* Tychius semiobliteratus Pic, M., 1902
* Tychius semisquamosus LeConte, 1876
* Tychius seniculus Desbr. d. Loges, 1908
* Tychius sericans Gozis, M des, 1886
* Tychius sericatus Desbr. d. Loges, 1897
* Tychius sericellus Faust, J., 1889
* Tychius sericeus Desbr. d. Loges, 1873
* Tychius seriepilosus Tournier, H., 1873
* Tychius setosus Cas., 1910
* Tychius sharpi Hoffmann, 1958
* Tychius sibinioides Klima, A., 1936
* Tychius siculellus Ragusa, E., 1908
* Tychius siculus Boheman, 1843
* Tychius similaris Tournier, H., 1873
* Tychius similis Tournier, H., 1873
* Tychius simillimus Desbr. d. Loges, 1908
* Tychius simplex Klima, A., 1936
* Tychius sisymbrii Billberg, 1820
* Tychius sogdianus Karasjov, 1993
* Tychius soltaui Casey, 1892
* Tychius sordidus LeConte, 1876
* Tychius sorex Gyllenhal, 1835
* Tychius sororius Clark, 1978
* Tychius sparsus Hustache, 1946
* Tychius sparsutus Schoenherr, 1835
* Tychius spartii Hoffmann, 1955
* Tychius spinicrus Desbr. d. Loges, 1895
* Tychius spiniger Desbr. d. Loges, 1908
* Tychius splendens Khnzorian, 1959
* Tychius squalidus Gyllenhal, 1835
* Tychius squamifer Boheman, 1843
* Tychius squamosus Gyllenhal, 1835
* Tychius squamulatus Gyllenhal, 1835
* Tychius stalsi Caldara, 2013
* Tychius starki Pic, M., 1902
* Tychius stepheni Schönherr, 1836
* Tychius stephensi Norman, H. Joy, 1932 (red clover seed weevil)
* Tychius stigma Billberg, 1820
* Tychius stigmosus Caldara, 1989
* Tychius stredai Penecke, 1926
* Tychius striatellus Ch. Bris., 1862
* Tychius striatulus Gyllenhal, 1835
* Tychius strigosus Reiche, L., 1858
* Tychius strumarius Gyllenhal, 1835
* Tychius suavis Ch. Bris., 1866
* Tychius subaequalis Caldara, 1989
* Tychius subdentatus Pic, 1923
* Tychius subellipticus Desbr. d. Loges, 1908
* Tychius subfasciatus Klima, A., 1936
* Tychius subflavicollis Hoffmann, 1963
* Tychius subimparis Voss, 1960
* Tychius sublineatus Gyllenhal, 1835
* Tychius subpaleatus Desbr. d. Loges, 1908
* Tychius subparallelus Pic, M., 1908
* Tychius subpilosus Desbr. d. Loges, 1908
* Tychius subsulcatus Tournier, H., 1873
* Tychius sulcatulus Klima, A., 1936
* Tychius sulphureus Faust, J., 1881
* Tychius sumericus Caldara & Korotyaev, 1996
* Tychius sutura-alba Desbr. d. Loges, 1898
* Tychius suturalis Megerle,
* Tychius suturatus Caldara, 1990
* Tychius suturellus Gyllenhal, 1835
* Tychius tacitus Casey, 1910
* Tychius tapirus Caldara, 1975
* Tychius taukumicus Caldara, 1990
* Tychius tectus LeConte, 1876
* Tychius tegulifer Caldara, 1996
* Tychius teluetensis Hustache, 1946
* Tychius temperei Hoffmann, 1955
* Tychius tenuirostris Tournier, H., 1873
* Tychius tenuitarsis Desbr. d. Loges, 1908
* Tychius terrosus Tournier, H., 1873
* Tychius tessellatus Tournier, H., 1873
* Tychius texanus Casey, 1910
* Tychius therondi Hustache, 1933
* Tychius thompsoni Caldara, 1990
* Tychius thoracicus Boheman, 1843
* Tychius tibialis Cristofori & Jan, 1832
* Tychius tigrinus Caldara, 1996
* Tychius tolensis Caldara, 1989
* Tychius tomentosus Stephens, 1829
* Tychius transversus Klima, A., 1936
* Tychius trapezithorax Desbr. d. Loges, 1908
* Tychius tridentinus Penecke, 1922
* Tychius trilineatus Pic, M., 1904
* Tychius trilobus Billberg, 1820
* Tychius trimacula Desbr. d. Loges, 1895
* Tychius trivialis Boheman, 1843
* Tychius trivirgatus Desbr. d. Loges, 1873
* Tychius tuberculirostris Hustache, 1946
* Tychius turanensis Faust, J., 1887
* Tychius turkestanicus Pic, M., 1904
* Tychius tychioides Caldara, 1990
* Tychius ucrainicus Caldara, 2010
* Tychius uncirostris Caldara, 1989
* Tychius uniformis Pic, 1925
* Tychius uralensis Pic, M., 1902
* Tychius varicolor Fairmaire, L., 1883
* Tychius variegatus Klima, A., 1936
* Tychius varius Caldara, 1989
* Tychius vauclusianus Hoffmann, 1936
* Tychius vaulogeri Pic, M., 1905
* Tychius venustus Stephens, 1829
* Tychius veridicus Caldara, 2010
* Tychius vernalis
* Tychius vernilis Casey, 1910
* Tychius versicolor Caldara, 1990
* Tychius vestitipennis Pic, 1925
* Tychius vicinus Roudier, 1954
* Tychius villosus Klima, A., 1936
* Tychius viscariae Thoms., 1865
* Tychius vittatus Dahl in Dejean, P.F.M.A., 1836
* Tychius vitticollis Blanchard, E. in Gay, 1851
* Tychius vossi Caldara, 1990
* Tychius weilli Caldara, 2010
* Tychius whiteheadi Caldara, 1990
* Tychius wiborgiae Caldara, 1989
* Tychius winkleri Caldara, 1986
* Tychius youngai Caldara, 1989
* Tychius zagrosianus Caldara, 2010
* Tychius zanoni Pic, 1928