A
* ''B
* ''C
* ''Trechus cabrerai'' (Jeannel, 1936 * ''Trechus calashensis'' Deuve, 1982 * ''Trechus caliginis'' Barr, 1985 * ''Trechus cameroni'' Jeannel, 1923 * ''Trechus cantalicus'' Fauvel, 1888 * ''Trechus cappadocicus'' Pawlowski, 1976 * ''Trechus caprai'' Jeannel, 1927 * ''Trechus cardioderus'' Putzeys, 1870 * ''Trechus carnioliae'' J. Muller, 1921 * ''Trechus carolinae'' Schaeffer, 1901 * ''Trechus carpaticus'' Rybinski, 1902 * ''Trechus carrilloi'' Toribio & Rodriguez, 1997 * ''Trechus caspiricus'' Deuve, 1982 * ''Trechus castificus'' Moravec & Wrase, 1998 * ''Trechus cathaicus'' Sciaky & Pavesi, 1995 * ''Trechus caucasicus'' Chaudoir, 1846 * ''Trechus cautus'' Wollaston, 1854 * ''Trechus cavernicola'' J. Frivaldszky, 1881 * ''Trechus ceballosi'' Mateu, 1953 * ''Trechus centralis'' Nonvellier, Pavieevie & Popovie, 1994 * ''Trechus cephalonicus'' Winkler, 1914 * ''Trechus cephalotellus'' Belousov, 1995 * ''Trechus ceresai'' Binaghi, 1938 * ''Trechus chaklaensis'' Schmidt, 2009 * ''Trechus championi'' Jeannel, 1920 * ''Trechus champagnati'' (Salgado, 1991) * ''Trechus chappuisi'' Jeannel, 1935 * ''Trechus cheoahensis'' Donabauer, 2005 * ''Trechus chillalicus'' Jeannel, 1936 * ''Trechus chinensis'' Jeannel, 1920 * ''Trechus chodjaii'' Morvan, 1974 * ''Trechus chokensis'' Pawlowski, 2001 * ''Trechus cholaensis'' Deuve, 1996 * ''Trechus chomolungma'' Deuve & Queinnec, 1985 * ''Trechus chormaensis'' Deuve, 1993 * ''Trechus cifrianae'' Ortuño & Jiménez-Valverde, 2011 * ''Trechus claudiae'' Deuve, 1996 * ''Trechus clingmanensis'' Donabauer, 2005 * ''Trechus coelestis'' Sciaky & Pavesi, 1994 * ''Trechus compactulus'' Belousov & Kabak, 1996 * ''Trechus compsus'' Jeannel, 1935 * ''Trechus concinnus'' Tschitscherine, 1904 * ''Trechus concoloratus'' Lorenz, 1998 * ''Trechus conformis'' Jeannel, 1927 * ''Trechus consobrinus'' K. Daniel & J. Daniel, 1898 * ''Trechus constrictus'' Schaum, 1860 * ''Trechus controversus'' Binaghi, 1959 * ''Trechus croaticus'' Dejean, 1831 * ''Trechus croceus'' Fresneda & Bourdeau, 2019 * ''Trechus crucifer'' Piochard de la Brulerie, 1876 * ''Trechus cryobius'' Jeannel, 1935 * ''Trechus cryptophilus'' Belousov & Kabak, 1992 * ''Trechus culminicola'' Jeannel, 1936 * ''Trechus cumberlandus'' Barr, 1962 * ''Trechus cuniculorum'' Mequignon, 1921 * ''Trechus curticollis'' Fairmaire, 1866 * ''Trechus curvatilis'' Belousov & Kabak, 1998 * ''Trechus custos'' Wollaston, 1854 * ''Trechus cyclomus'' Jeannel, 1954 * ''Trechus cyprinus'' Franz, 1987D
* ''Trechus dacatrianus'' Deuve, 1996 * ''Trechus dakushitaicus'' Deuve, 2004 * ''Trechus damchungensis'' Deuve, 1998 * ''Trechus daoensis'' Belousov & Kabak, 2001 * ''Trechus davanensis'' Sciaky & Pavesi, 1994 * ''Trechus davidiani'' Belousov, 1990 * ''Trechus davidwrasei'' Donabauer, 2007 * ''Trechus debilis'' Wollaston, 1871 * ''Trechus decolor'' Jeannel, 1938 * ''Trechus degienensis'' Jeannel, 1954 * ''Trechus delarouzeei'' Pandelle, 1867 * ''Trechus delhermi'' Saulcy in Lucante & Mestre, 1880 * ''Trechus deliae'' Morvan, 1971 * ''Trechus demircapicus'' P. Maravac, 1986 * ''Trechus demissus'' Jeannel, 1962 * ''Trechus densicornis'' Fischhuber, 1977 * ''Trechus depressipenis'' Sciaky & Pavesi, 1995 * ''Trechus detersus'' Wollaston, 1864 * ''Trechus dichrous'' Reitter, 1911 * ''Trechus diecki'' Putzeys, 1870 * ''Trechus dilizhanicus'' Belousov, 1989 * ''Trechus dilutus'' Wollaston, 1854 * ''Trechus dimorphicus'' Pawlowski, 2001 * ''Trechus diogenes'' Pawlowski, 1979 * ''Trechus dioscuricus'' Belousov, 1990 * ''Trechus distigma'' Kiesenwetter, 1851 * ''Trechus distinctus'' Fairmaire & Laboulbene, 1854 * ''Trechus djbelgloubensis'' Queinnec & Ollivier, 2013 * ''Trechus djebalicus'' (Comas & Mateu, 2008) * ''Trechus doderoi'' Jeannel, 1927 * ''Trechus dolomitanus'' Jeannel, 1931 * ''Trechus donabaueri'' Lebenbauer, 2004 * ''Trechus dongulaensis'' Schmidt, 2009 * ''Trechus dorsistriatus'' A. Morawitz, 1862 * ''Trechus dostali'' Donabauer, 2007 * ''Trechus drescoi'' (Jeannel, 1953) * ''Trechus dubiatus'' Reitter, 1903 * ''Trechus dudkorum'' Belousov & Kabak, 1996 * ''Trechus dulat'' Belousov & Kabak, 1992 * ''Trechus dumitrescui'' Decou, 1959 * ''Trechus duvalioides'' Deuve, 2004 * ''Trechus dzermukensis'' Iablokoff-Khnzorian, 1963 * ''Trechus dzhalair'' Belousov & Kabak, 1994 * ''Trechus dzhungaricus'' Belousov & Kabak, 1992 * ''Trechus dzykhvensis'' Belousov, 1990E
* ''Trechus echarouxi'' Ollivier & Quéinnec, 2011 * ''Trechus egorovi'' Belousov & Kabak, 1996 * ''Trechus egregius'' Jeannel, 1927 * ''Trechus elburzensis'' Morvan, 1974 * ''Trechus elegans'' Putzeys, 1847 * ''Trechus elgonicus'' Jeannel, 1930 * ''Trechus elongatulus'' Putzeys, 1870 * ''Trechus enedaphos'' Fresneda & Valenzuela, 2019 * ''Trechus enigmaticus'' Coiffait, 1971 * ''Trechus enoploides'' Jeannel, 1954 * ''Trechus enoplus'' Jeannel, 1935 * ''Trechus ephippiatus'' Bates, 1873 * ''Trechus epirotes'' Colas, 1957 * ''Trechus eremita'' Schmidt, 2009 * ''Trechus erythrostomus'' Deuve, 1987 * ''Trechus escalerai'' Abeille de Perrin, 1903 * ''Trechus espanoli'' (Salgado, 1996) * ''Trechus espanyoli'' (Mateu & Escolà, 2006) * ''Trechus eutrechoides'' Deuve, 1992 * ''Trechus exilipenis'' Belousov & Kabak, 1994F
* ''Trechus fadriquei'' (Mateu & Escolà, 2006) * ''Trechus fairmairei'' Pandelle, 1867 * ''Trechus felix'' Wallaston, 1864 * ''Trechus ferghanicus'' Belousov & Kabak, 1992 * ''Trechus fischtensis'' Reitter, 1888 * ''Trechus flavocinctus'' Jeannel, 1922 * ''Trechus flavocircumdatus'' Jeannel, 1922 * ''Trechus flavolimbatus'' Wollaston, 1863 * ''Trechus flavomarginatus'' Wollaston, 1854 * ''Trechus focarilei'' Monguzzi, 1998 * ''Trechus folwarcznyi'' Deuve, 1998 * ''Trechus fongondi'' Denve & Queinnec, 1983 * ''Trechus fontinalis'' Rybinski, 1901 * ''Trechus fortimanus'' Reitter, 1903 * ''Trechus fortipes'' Ueno, 1999 * ''Trechus fortunatus'' Jeannel, 1927 * ''Trechus franzi'' (Jeannel, 1958) * ''Trechus franzianus'' Mateu & Deuve, 1979 * ''Trechus franzschuberti'' Donabauer, 2006 * ''Trechus fritzbeneschi'' Donabauer, 2006 * ''Trechus fulvatilis'' Belousov & Kabak, 1998 * ''Trechus fulvus'' Dejean, 1831 * ''Trechus fusculus'' Motschulsky, 1850G
* ''Trechus gagrensis'' Jeannel, 1927 * ''Trechus galianus'' Belousov, 1989 * ''Trechus galicicaensis'' Gueorguiev & Hristovski, 2010 * ''Trechus gallaecus'' Jeannel, 1921 * ''Trechus gallorites'' Jeannel, 1936 * ''Trechus gamae'' Reboleira & Serrano, 2009 * ''Trechus gansuensis'' Deuve & Queinnec, 1993 * ''Trechus genevanorum'' Pawlowski, 1977 * ''Trechus gigas'' Pawlowski, 2001 * ''Trechus gigoni'' (Casale, 1982) * ''Trechus gitzeni'' Belousov & Kabak, 2001 * ''Trechus glabratus'' Schmidt, 2009 * ''Trechus glacialis'' Heer, 1837 * ''Trechus gloriensis'' Jeanne, 1971 * ''Trechus goebli'' Breit, 1914 * ''Trechus goelkoeyensis'' Donabauer, 2013 * ''Trechus goidanichi'' Focarile & Casale, 1978 * ''Trechus goliath'' Belousov & Kabak, 1992 * ''Trechus golovatchi'' Casale, 1983 * ''Trechus gomerensis'' Franz, 1986 * ''Trechus gorkhai'' J. Schmidt, 1998 * ''Trechus gracilitarsis'' K. & J. Daniel, 1898 * ''Trechus gradloni'' Morvan, 1982 * ''Trechus grandiceps'' Reitter, 1885 * ''Trechus grandis'' Ganglbauer, 1891 * ''Trechus gravidus'' Putzeys, 1870 * ''Trechus grenieri'' Pandelle, 1867 * ''Trechus groubei'' Antoine, 1935 * ''Trechus guangaishanus'' Belousov & Kabak, 2001 * ''Trechus gugheensis'' Jeannel, 1950 * ''Trechus gulickai'' Lobl, 1967 * ''Trechus gurungi'' J. Schmidt, 1998 * ''Trechus gusevi'' Belousov, 1990 * ''Trechus gushensis'' Belousov & Kabak, 1998 * ''Trechus gwiomarchi'' Morvan, 1982H
* ''Trechus hajeki'' Reitter, 1913 * ''Trechus hampei'' Ganglbauer, 1891 * ''Trechus hangaicus'' Shilenkov, 1982 * ''Trechus haoe'' Barr, 1979 * ''Trechus haoeleadensis'' Donabauer, 2005 * ''Trechus hashimatoi'' Ueno, 1961 * ''Trechus hauseri'' Jeannel, 1962 * ''Trechus heinzianus'' Pawlowski, 1979 * ''Trechus hemsinensis'' Donabauer, 2013 * ''Trechus hendrichsi'' Mateu, 1974 * ''Trechus heniochicus'' Ljovuschkin, 1970 * ''Trechus himalayanus'' Ueno, 1972 * ''Trechus himalensis'' Deuve & Queinnec, 1985 * ''Trechus hingstoni'' Jeannel, 1928 * ''Trechus hodeberti'' Deuve, 1998 * ''Trechus holzun'' Shilenkov & Sokolov, 1987 * ''Trechus hoppi'' Jeannel, 1927 * ''Trechus houzhenziensis'' Deuve, 2001 * ''Trechus humboldti'' Vandyke, 1945 * ''Trechus hummleri'' Jeannel, 1927 * ''Trechus hurrita'' Pavesi & Sciaky, 1990 * ''Trechus hydropicus'' G.Horn, 1883 * ''Trechus hylonomellus'' Lorenz, 1998 * ''Trechus hyperythros'' Faille & Fresneda, 2019I
* ''Trechus iblanensis'' (Mateu & Escolà, 2006) * ''Trechus idriss'' Peyerinhoff, 1924 * ''Trechus ikutanii'' Ueno, 1961 * ''Trechus ilgazensis'' Donabauer, 2004 * ''Trechus ilgazicus'' Pawlowski, 1976 * ''Trechus imaicus'' Jeannel, 1923 * ''Trechus imereticus'' Belousov, 1990 * ''Trechus impunctus'' Casale, 1979 * ''Trechus imurai'' Ueno, 1999 * ''Trechus incisipenis'' Belousov & Kabak, 1999 * ''Trechus incola'' Peyerinhoff, 1909 * ''Trechus indicus'' Putzeys, 1870 * ''Trechus indicusoides'' Donabauer, 2005 * ''Trechus inexpectatus'' Barr, 1985 * ''Trechus inexspectatus'' Belousov & Kabak, 2001 * ''Trechus infuscatus'' Chaudoir, 1850 * ''Trechus insolitus'' K. Daniel & J. Daniel, 1906 * ''Trechus insubricus'' K. Daniel & J. Daniel, 1898 * ''Trechus intrusus'' Focarile, 1950 * ''Trechus iranicus'' Morvan & Pawlowski, 1977 * ''Trechus irenis'' Csiki, 1912 * ''Trechus iricolor'' Sciaky & Pavesi, 1995 * ''Trechus irkeshtamicus'' Belousov & Kabak, 1998 * ''Trechus irritus'' Jeannel, 1960 * ''Trechus isabelae'' Borges & Serrano, 2007 * ''Trechus isfanensis'' Belousov & Kabak, 1998 * ''Trechus ispulensis'' Belousov & Kabak, 1992 * ''Trechus italicus'' K. Daniel & J. Daniel, 1898 * ''Trechus ithae'' Reitter, 1888J
* ''Trechus jadodraconis'' Deuve, 1995 * ''Trechus jaechi'' Donabauer, 2006 * ''Trechus janaki'' Moravec, 1993 * ''Trechus janatai'' Belousov & Kabak, 2000 * ''Trechus jarrigei'' Morvan, 1972 * ''Trechus jeannei'' Sciaky, 1998 * ''Trechus jezerensis'' Apfelbeck, 1908 * ''Trechus jiuzhaiensis'' Deuve, 1998 * ''Trechus jorgensis'' Oromi & Borges, 1991 * ''Trechus jugivagus'' Lutshnik, 1930K
* ''Trechus kabakovi'' Pawlowski, 1978 * ''Trechus kabylicus'' Casale, 1983 * ''Trechus kackardagi'' Pawlowski, 1978 * ''Trechus kahleni'' Donabauer & Lebenbauer, 2003 * ''Trechus kaikanicus'' Belousov & Kabak, 1994 * ''Trechus kalabi'' Deuve & Queinnec, 1993 * ''Trechus kalabianus'' Deuve, 1993 * ''Trechus kantegiricus'' Belousov & Kabak, 1994 * ''Trechus karadenizus'' Pawlowski, 1976 * ''Trechus karasibensis'' Belousov & Kabak, 1994 * ''Trechus karlykensis'' Belousov & Kabak, 2001 * ''Trechus kashensis'' Belousov & Kabak, 2001 * ''Trechus kashgarensis'' Deuve, 1992 * ''Trechus kataevi'' Belousov, 1987 * ''Trechus katranicus'' Belousov & Kabak, 1996 * ''Trechus kaznakovi'' Jeannel, 1935 * ''Trechus ketmenicus'' Belousov & Kabak, 1993 * ''Trechus kezadonicus'' Belousov, 1989 * ''Trechus khalabicus'' Belousov, 1990 * ''Trechus khaledicus'' Belousov, 1990 * ''Trechus khnzoriani'' Pawlowski, 1976 * ''Trechus khorgosicus'' Belousov & Kabak, 1994 * ''Trechus kiapazicus'' Belousov, 1990 * ''Trechus kimak'' Belousov & Kabak, 1996 * ''Trechus kobingeri'' Apfelbeck, 1902 * ''Trechus kocheri'' Paulian & Villiers, 1939 * ''Trechus kodoricus'' Belousov, 1989 * ''Trechus kokzhotensis'' Belousov & Kabak, 1996 * ''Trechus komarovi'' Belousov, 1990 * ''Trechus korae'' Schmidt, 2009 * ''Trechus korbi'' Reitter, 1903 * ''Trechus korotyaevi'' Shilenkov, 1982 * ''Trechus korrigani'' Morvan, 1982 * ''Trechus korzhun'' Belousov & Kabak, 1994 * ''Trechus kovali'' Belousov, 1989 * ''Trechus kozlovi'' Jeannel, 1935 * ''Trechus krasnovi'' Belousov & Kabak, 1992 * ''Trechus krejcii'' Deuve & Queinnec, 1985 * ''Trechus kricheldorffi'' Wagner, 1913 * ''Trechus kukunoricus'' Belousov & Kabak, 2000 * ''Trechus kulpensis'' Belousov & Kabak, 1998 * ''Trechus kuraicus'' Shilenkov, 1995 * ''Trechus kurbatovi'' Belousov & Kabak, 2000 * ''Trechus kurentzovi'' Lafer, 1989 * ''Trechus kurnakovi'' Jeannel, 1960 * ''Trechus kushtaicus'' Belousov & Kabak, 2001L
* ''Trechus labrangensis'' Belousov & Kabak, 2000 * ''Trechus laevipes'' Jeannel, 1927 * ''Trechus lailensis'' Belousov, 1989 * ''Trechus lallemantii'' Fairmaire, 1859 * ''Trechus lama'' Schmidt, 2009 * ''Trechus lamjunensis'' J. Schmidt, 1994 * ''Trechus lampros'' Jeannel, 1935 * ''Trechus laranoensis'' Lompe, 1999 * ''Trechus larisae'' Belousov & Kabak, 1996 * ''Trechus lassallei'' Deuve, 1981 * ''Trechus latebricola'' Kiesenwetter, 1850 * ''Trechus latior'' Darlington, 1959 * ''Trechus latiplatus'' Belousov & Kabak, 1998 * ''Trechus latus'' Putzeys, 1847 * ''Trechus laureticola'' Jeannel, 1936 * ''Trechus lazicus'' Pawlowski, 1976 * ''Trechus lebenbaueri'' Donabauer, 2004 * ''Trechus lebretae'' Jeannel, 1960 * ''Trechus lecoqi'' (Deuve, 1991) * ''Trechus lederi'' Putzeys, 1878 * ''Trechus ledouxianus'' Mateu & Deuve, 1979 * ''Trechus legorskyi'' Donabauer, 2013 * ''Trechus leleupi'' Jeannel, 1954 * ''Trechus lencinai'' (Mateu & Escolà, 2006) * ''Trechus leonensis'' (Salgado & Ortuño, 1998) * ''Trechus lepineyi'' Paulian & Villiers, 1939 * ''Trechus lepontinus'' Ganglbauer, 1891 * ''Trechus letshkhumicus'' Belousov, 1989 * ''Trechus levillaini'' Morvan, 1982 * ''Trechus lgockii'' Pawlowski, 1978 * ''Trechus libanensis'' Piochard da la Brulerie, 1876 * ''Trechus liguricus'' Jeannel, 1921 * ''Trechus lijiangensis'' Belousov & Kabak, 2001 * ''Trechus lindbergi'' Coiffait, 1962 * ''Trechus linxiaicus'' Deuve, 2005 * ''Trechus liochrous'' Jeannel, 1935 * ''Trechus liopleurus'' Chaudoir, 1850 * ''Trechus litangensis'' Deuve, 1995 * ''Trechus loebli'' Pawlowski, 1977 * ''Trechus loeblianus'' Deuve, 1988 * ''Trechus loeffleri'' Magrini & Sciaky, 2006 * ''Trechus lomakini'' Belousov & Kabak, 1994 * ''Trechus longicollis'' Meixner, 1912 * ''Trechus longobardus'' Putzeys, 1870 * ''Trechus longulus'' K. Daniel & J. Daniel, 1898 * ''Trechus lucidus'' Jeannel, 1960 * ''Trechus luculentus'' Barr, 1962 * ''Trechus lunai'' Reboleira & Serrano, 2009 * ''Trechus lundbladi'' Jeannel, 1938 * ''Trechus luquensis'' Belousov & Kabak, 2000 * ''Trechus lusitanicus'' Jeannel, 1921 * ''Trechus luteolus'' Jeannel, 1960 * ''Trechus lutshniki'' Belousov, 1987M
* ''Trechus maceki'' Deuve, 1992 * ''Trechus machadoensis'' Franz, 1984 * ''Trechus machadoi'' Jeannel, 1941 * ''Trechus machardi'' Jeanne, 1976 * ''Trechus macrops'' Jeaniel, 1927 * ''Trechus maculicornis'' Chaudoir, 1846 * ''Trechus maderensis'' Csiki, 1928 * ''Trechus magistrettii'' Focarile, 1949 * ''Trechus magniceps'' Reitter, 1898 * ''Trechus maisaicus'' Belousov & Kabak, 1994 * ''Trechus majusculus'' K. Daniel, 1902 * ''Trechus mallaszianus'' Moravec & Lompe * ''Trechus mandarinus'' Sciaky & Pavesi, 1995 * ''Trechus manensis'' Belousov & Kabak, 1994 * ''Trechus manzhangicus'' Deuve, 2004 * ''Trechus maomao'' Deuve, 2005 * ''Trechus maowenensis'' Deuve, 1995 * ''Trechus maqenicus'' Deuve, 2004 * ''Trechus maquensis'' Deuve, 2004 * ''Trechus marcilhaci'' Pham, 1987 * ''Trechus marcilhacianus'' Deuve, 2004 * ''Trechus margelanicus'' Belousov & Kabak, 1998 * ''Trechus marginalis'' Schaum, 1862 * ''Trechus marianii'' Focarile, 1949 * ''Trechus maritimus'' Sainte-Claire Deville, 1907 * ''Trechus markakolensis'' Belousov & Kabak, 1999 * ''Trechus martelluccii'' Magrini & Sciaky, 2006 * ''Trechus martensi'' Deuve & Hodebert, 1991 * ''Trechus martinae'' Schmidt, 2009 * ''Trechus martinezi'' Jeannel, 1927 * ''Trechus matejkai'' Vsetecka, 1938 * ''Trechus mateui'' Deuve & Queinnec, 1985 * ''Trechus matrismeae'' Pawlowski, 1972 * ''Trechus matsumotoi'' Ueno, 1984 * ''Trechus mauritanicus'' Jeannel, 1909 * ''Trechus meissonnieri'' Belousov & Kabak, 2000 * ''Trechus meixnerianus'' Moravec & Lompe, 2003 * ''Trechus melanocephalus'' Kolenati, 1845 * ''Trechus merditanus'' Apfelbeck, 1906 * ''Trechus meregallii'' Casale, 1983 * ''Trechus merenicus'' Belousov & Kabak, 1994 * ''Trechus merkli'' Pawlowski, 1973 * ''Trechus meschniggi'' Jeannel, 1930 * ''Trechus messoulii'' Casale, 2011 * ''Trechus metrius'' Jeannel, 1935 * ''Trechus meurguesianus'' Deuve, 1980 * ''Trechus michaeli'' Pawlowski, 1978 * ''Trechus micrangulus'' Reitter, 1913 * ''Trechus midas'' Jeannel, 1927 * ''Trechus mieheorum'' Schmidt, 2009 * ''Trechus minaicus'' Belousov & Kabak, 1994 * ''Trechus minioculatus'' Machado, 1987 * ''Trechus minshanicola'' Deuve, 2004 * ''Trechus minyops'' Wallaston, 1862 * ''Trechus mirzayani'' Morvan, 1974 * ''Trechus mitchellensis'' Barr, 1962 * ''Trechus mitjaevi'' Belousov & Kabak, 1996 * ''Trechus moctezuma'' Mateu, 1974 * ''Trechus modestus'' Putzeys, 1874 * ''Trechus mogul'' Belousov & Kabak, 2001 * ''Trechus mongolicus'' Moravec, 1992 * ''Trechus mongolorum'' Belousov & Kabak, 1994 * ''Trechus montanellus'' Gemminger & Harold, 1868 * ''Trechus montanheirorum'' Oromi & Borges, 1991 * ''Trechus montanus'' Motschulsky, 1844 * ''Trechus montisarerae'' Focarile, 1950 * ''Trechus montiscrystalli'' Casale, 1979 * ''Trechus montiscusnae'' Focarile, 1952 * ''Trechus montispennae'' Jeannel, 1927 * ''Trechus montisrosae'' Jeannel, 1921 * ''Trechus montreuili'' Deuve, 2004 * ''Trechus morandinii'' Lebenbauer, 2002 * ''Trechus mordkovitschi'' Shilenkov, 1982 * ''Trechus morvanellus'' Deuve, 1996 * ''Trechus morvanianus'' Deuve & Queinnec, 1985 * ''Trechus mourzinellus'' Deuve, 1998 * ''Trechus mouzaiensis'' Jeannel, 1922 * ''Trechus muguensis'' Schmidt, 2009 * ''Trechus mumbugianus'' Mateu, 1985 * ''Trechus murzorum'' Belousov & Kabak, 1994 * ''Trechus muscorum'' Moravec & Wrase, 1998 * ''Trechus myanmarensis'' Deuve, 2004N
* ''Trechus nairicus'' Pavesi & Sciaky, 1992 * ''Trechus nakaguroi'' Ueno, 1960 * ''Trechus naldii'' Ghidini, 1932 * ''Trechus naloni'' (Salgado, 1993) * ''Trechus namtsoensis'' Schmidt, 2009 * ''Trechus nannus'' Jeannel, 1935 * ''Trechus nantahalae'' Barr, 1979 * ''Trechus naratensis'' Deuve, 1993 * ''Trechus narynensis'' Belonsov & Kabak, 1992 * ''Trechus navaricus'' (Vuillefroy, 1869) * ''Trechus nebulosus'' Barr, 1962 * ''Trechus negrei'' (Jeannel, 1953) * ''Trechus newar'' Deuve, 1988 * ''Trechus nezlobinskyi'' Hristovski, 2014 * ''Trechus nigricornis'' Motschulsky, 1844 * ''Trechus nigrinus'' Putzeys, 1847 * ''Trechus nigrocruciatus'' Wollaston, 1854 * ''Trechus nikolajevi'' Belousov & Kabak, 1992 * ''Trechus nishikawai'' Ueno, 1991 * ''Trechus nivicola'' Chaudoir, 1846 * ''Trechus nomurai'' Ueno, 1998 * ''Trechus nonveilleri'' J. Muller, 1930 * ''Trechus noricus'' Maixner, 1911 * ''Trechus nothus'' Jeannel, 1960 * ''Trechus novaculosus'' Barr, 1962 * ''Trechus nugax'' Lompe, 1997 * ''Trechus numatai'' Ueno, 1967O
* ''Trechus obliquebasalis'' Breit, 1914 * ''Trechus obtusiusculus'' Ganglbauer, 1889 * ''Trechus obtusus'' Erichson, 1837 * ''Trechus odontopeos'' Fresneda & Faille, 2019 * ''Trechus ogouzicus'' Deuve & Queinnec, 1992 * ''Trechus oligophthalmus'' Jeannel, 1935 * ''Trechus oligops'' Bedel, 1896 * ''Trechus olympicus'' Piochard de la Brulerie, 1876 * ''Trechus ongudaicus'' Belousov & Kabak, 1996 * ''Trechus onicus'' Belousov & Kabak, 1994 * ''Trechus oodes'' Jeannel, 1935 * ''Trechus ordinarior'' Deuve & Queinnec, 1993 * ''Trechus orduensis'' Donabauer, 2007 * ''Trechus orientosinicus'' Deuve, 1992 * ''Trechus ormayi'' Ganglbauer, 1891 * ''Trechus orobicus'' Monguzzi, 2015 * ''Trechus oromii'' Borges, Serrano & Amorim, 2004 * ''Trechus orousseti'' (Perrault, 1982) * ''Trechus orphaeus'' Pawlowski, 1973 * ''Trechus orthapicalis'' Belousov & Kabak, 1998 * ''Trechus ortizi'' Español, 1970 * ''Trechus osellai'' F. Battoni & Vigna Taglianti, 1994 * ''Trechus osmanilis'' K. Daniel & J. Daniel, 1902 * ''Trechus ovipennis'' Motschulsky, 1845 * ''Trechus ovtshinnikovi'' Belousov & Kabak, 1992 * ''Trechus ozegaharanus'' Ueno, 1954P
* ''Trechus pachycerus'' Apfelbeck, 1918 * ''Trechus pallens'' Belousov & Kabak, 1994 * ''Trechus pallidulus'' Ganglbauer, 1891 * ''Trechus pamirensis'' Belousov & Kabak, 1996 * ''Trechus pamphylicus'' Jeanne, 1996 * ''Trechus paphlagonicus'' Maran, 1940 * ''Trechus parapandus'' Ortuno & Barranco, 2015 * ''Trechus patrizzii'' Jeannel, 1960 * ''Trechus pavlovskii'' Jeannel, 1962 * ''Trechus pecignai'' Toribio, 1992 * ''Trechus pecoudi'' Colas & A. Gaudim, 1935 * ''Trechus pennisii'' Magrini, 1984 * ''Trechus pereirai'' Borges, Serrano & Amorim, 2004 * ''Trechus perinii'' Holdhaus, 1950 * ''Trechus perissus'' Andrewes, 1936 * ''Trechus perpusillus'' Mateu & Deuve, 1979 * ''Trechus perreaui'' Deuve & Queinnec, 1985 * ''Trechus pertyi'' Heer, 1837 * ''Trechus phaeocerus'' Jeannel, 1935 * ''Trechus phami'' Deuve, 1981 * ''Trechus phanagoriacus'' Belousov, 1990 * ''Trechus piazzolii'' Focarile, 1950 * ''Trechus picoensis'' Machado, 1988 * ''Trechus pieltaini'' Jeannel, 1920 * ''Trechus pilisensis'' Csiki, 1918 * ''Trechus pilonensis'' Toribio, 2014 * ''Trechus pilosicornis'' Deuve & Queinnec, 1993 * ''Trechus pilosipennis'' Jeannel, 1954 * ''Trechus pirica'' Ueno, 1992 * ''Trechus pirinicus'' Pawlowski, 1972 * ''Trechus pisgahensis'' Barr, 1979 * ''Trechus pisuenensis'' Ortuno & Toribio, 2005 * ''Trechus placidus'' Jeannel, 1962 * ''Trechus planioculus'' Belousov & Kabak, 1993 * ''Trechus planipennis'' Rosenhauer, 1856 * ''Trechus planiusculus'' A. Gesto, 1858 * ''Trechus platypterellus'' Belousov, 1995 * ''Trechus plicatulus'' L. Miller, 1868 * ''Trechus plottbalsamensis'' Donabauer, 2005 * ''Trechus plutenkoi'' Lafer, 1989 * ''Trechus pochoni'' Jeannel, 1939 * ''Trechus pohorjeensis'' Donabauer, 2006 * ''Trechus polonorum'' Pawlowski, 1979 * ''Trechus pomonae'' Fall, 1901 * ''Trechus pongensis'' Faille & Bourdeau, 2019 * ''Trechus priapus'' K. Daniel, 1902 * ''Trechus processifer'' Belousov & Kabak, 1992 * ''Trechus promeces'' Jeannel, 1935 * ''Trechus przewalskyi'' Belousov & Kabak, 1993 * ''Trechus pseudoalmonius'' Deuve, 1993 * ''Trechus pseudoalyshensis'' Deuve & Queinnec, 1992 * ''Trechus pseudocholaensis'' Deuve, 1998 * ''Trechus pseudolatus'' Lompe, 2001 * ''Trechus pseudomontanellus'' Rizun, 1994 * ''Trechus pseudonovaculosus'' Donabauer, 2005 * ''Trechus pseudopiceus'' K. Daniel & J. Daniel, 1898 * ''Trechus puetzi'' Moravec & Wrase, 1998 * ''Trechus pulchellus'' Putzeys, 1846 * ''Trechus pulpani'' Reska, 1965 * ''Trechus pulvinipenis'' Belousov & Kabak, 1999 * ''Trechus pumilio'' Jeannel, 1923 * ''Trechus pumilus'' Jeannel, 1927 * ''Trechus pumoensis'' Deuve, 1998 * ''Trechus purroyi'' (Salgado, 1987) * ''Trechus putchkovi'' Belousov & Kabak, 1996 * ''Trechus putzeysi'' Pandelle, 1867 * ''Trechus pygmaeus'' K. Daniel & J. Daniel, 1898 * ''Trechus pyrenaeus'' Dejean, 1831Q
* ''Trechus qagcaensis'' Deuve, 1996 * ''Trechus qinghaicus'' Deuve & Queinnec, 1993 * ''Trechus qinlingensis'' Moravec & Wrase, 1998 * ''Trechus quadrimaculatus'' Motschulsky, 1850 * ''Trechus quadristriatus'' (Schrank, 1781) * ''Trechus quarelicus'' Belousov, 1987R
* ''Trechus raffrayanus'' Jeannel, 1954 * ''Trechus rambouseki'' Breit, 1909 * ''Trechus ramseyensis'' Donabauer, 2005 * ''Trechus rarus'' Schmidt, 2009 * ''Trechus ravasinianus'' Lorenz, 1998 * ''Trechus regularis'' Putzeys, 1870 * ''Trechus religiosus'' Schmidt, 2009 * ''Trechus renei'' Belousov, 1990 * ''Trechus rhilensis'' Kaufmann, 1884 * ''Trechus rhodopeius'' Jeannel, 1921 * ''Trechus riberai'' Faille & Valenzuela, 2019* * ''Trechus rivularis'' Gyllanhal, 1810 * ''Trechus rivulis'' Dajoz, 2005 * ''Trechus robustapicalis'' Belousov & Kabak, 1998 * ''Trechus rolwalingensis'' Schmidt, 2009 * ''Trechus ronchettii'' Reitter, 1911 * ''Trechus roparzhemoni'' Morvan, 1982 * ''Trechus rosenbergi'' Barr, 1962 * ''Trechus rotroui'' Antoine, 1934 * ''Trechus rotundatus'' Dejean, 1831 * ''Trechus rotundipennis'' (Duftschmid, 1812) * ''Trechus rougemonti'' Mateu, 1990 * ''Trechus rouxi'' Deuve, 1995 * ''Trechus rouxioides'' Deuve, 2005 * ''Trechus rufulus'' Dejean, 1831 * ''Trechus ruthi'' Jeannel, 1929S
* ''Trechus sachalinensis'' Lafer, 1989 * ''Trechus safranboluensis'' Donabauer, 2004 * ''Trechus sagax'' Jeannel, 1960 * ''Trechus saglensis'' Shilenkov, 1998 * ''Trechus sajanensis'' Moravec, 1993 * ''Trechus sajuncaicus'' Monguzzi, 2002 * ''Trechus salassus'' Jeannel, 1927 * ''Trechus salgadoi'' (Carabajal, García & Rodríguez, 2002) * ''Trechus sambylensis'' Belousov & Kabak, 1994 * ''Trechus satanicus'' Barr, 1962 * ''Trechus saulcyanus'' Csiki, 1928 * ''Trechus sauricus'' Belousov & Kabak, 1992 * ''Trechus saxicola'' Putzeys, 1870 * ''Trechus sbordonii'' Vigna Taglianti, 1967 * ''Trechus scapulatus'' Belousov & Kabak, 1993 * ''Trechus schaufussi'' Putzeys, 1870 * ''Trechus schaumii'' Pandelle, 1867 * ''Trechus schawalleri'' Deuve & Hodebert, 1991 * ''Trechus schillhammeri'' Donabauer, 2006 * ''Trechus schimperanus'' Jeannel, 1954 * ''Trechus schmalfussi'' Baehr, 1983 * ''Trechus schoenmanni'' Donabauer & Lebenbauer, 2005 * ''Trechus schuelkei'' Moravec & Wrase, 1998 * ''Trechus schuhi'' Donabauer, 2007 * ''Trechus schwarzi'' Jeannel, 1931 * ''Trechus schwienbacheri'' Donabauer & Lebenbauer, 2003 * ''Trechus schyberosiae'' Szallies & Schüle, 2011 * ''Trechus sciakyellus'' Deuve, 2001 * ''Trechus scitus'' Jeannel, 1960 * ''Trechus scotti'' Jeannel, 1936 * ''Trechus sculptipennis'' Schmidt, 2009 * ''Trechus secalis'' (Paykull, 1790) * ''Trechus selaensis'' Deuve, 2006 * ''Trechus semenovi'' Belousov & Kabak, 1992 * ''Trechus sendrai'' Comas & Mateu, 2008 * ''Trechus serrae'' (Vives, 1976) * ''Trechus seserligensis'' Shilenkov, 1998 * ''Trechus sessitanus'' Monguzzi, 1985 * ''Trechus setitemporalis'' Deuve, 2005 * ''Trechus shaanxiensis'' Moravec & Wrase, 1998 * ''Trechus shaid'' Belousov & Kabak, 1998 * ''Trechus shakhensis'' Belousov, 1987 * ''Trechus sharpi'' Jeannel, 1921 * ''Trechus shatrovskyi'' Belousov & Kabak, 1994 * ''Trechus shchurovi'' Belousov & Kabak, 1996 * ''Trechus shilenkovi'' Belousov & Kabak, 1992 * ''Trechus shinganensis'' Shilenkov, 1998 * ''Trechus shivalensis'' Belousov & Kabak, 1998 * ''Trechus shushensis'' Belousov & Kabak, 1994 * ''Trechus sichuanus'' Deuve, 1988 * ''Trechus signatus'' Wollaston, 1857 * ''Trechus sikhotealinus'' Ueno & Lafer, 1994 * ''Trechus silveiranus'' Lompe, 1997 * ''Trechus simbuaensis'' Deuve & Hodabert, 1991 * ''Trechus simienensis'' Jeannel, 1954 * ''Trechus simplicens'' Belousov & Kabak, 1993 * ''Trechus singularis'' Schmidt, 2009 * ''Trechus sinuatus'' Schaum, 1860 * ''Trechus sinus'' Belousov & Kabak, 2001 * ''Trechus sivellae'' Monguzzi, 2002 * ''Trechus sjoestedti'' Alluaud, 1926 * ''Trechus skoupyi'' Moravec & Zieris, 1998 * ''Trechus snowbirdensis'' Donabauer, 2005 * ''Trechus sodalis'' Jeannel, 1960 * ''Trechus sogdianus'' Belousov & Kabak, 1998 * ''Trechus sokolovi'' Belousov, 1990 * ''Trechus solarii'' Jeannel, 1921 * ''Trechus solhoeyi'' Schmidt, 2009 * ''Trechus soma'' Mateu & Deuve, 1979 * ''Trechus songoricus'' Belausov & Kabak, 1992 * ''Trechus sotshiensis'' Belousov, 1987 * ''Trechus splendens'' Gemminger & Harold, 1868 * ''Trechus stanovskyi'' P.Maravec, 1993 * ''Trechus stefanschoedli'' Donabauer, 2005 * ''Trechus stictulus'' Belousov & Kabak, 1998 * ''Trechus stipraisi'' Belousov & Kabak, 1992 * ''Trechus straneoi'' Jeannel, 1931 * ''Trechus strasseri'' Ganglbauer, 1891 * ''Trechus stratiotes'' Schmidt, 2009 * ''Trechus striatulus'' Putzeys, 1847 * ''Trechus stricticollis'' Jeannel, 1927 * ''Trechus strigipennis'' Kiesenwetter, 1861 * ''Trechus strongylus'' Jeannel, 1935 * ''Trechus stupkai'' Barr, 1979 * ''Trechus suan'' Belousov & Kabak, 1994 * ''Trechus subacuminatus'' A. Fleischer, 1898 * ''Trechus subcordatus'' Chaudoir, 1846 * ''Trechus sublaevis'' Raffray, 1880 * ''Trechus subnotatus'' Dejean, 1831 * ''Trechus subtilis'' Barr, 1962 * ''Trechus suensoni'' Jeannel, 1957 * ''Trechus sugai'' Ueno, 1984 * ''Trechus suluk'' Belousov & Kabak, 1996 * ''Trechus sundukovi'' Moravec & Wrase, 1997 * ''Trechus surkiensis'' Deuve, 2004 * ''Trechus susamyrensis'' Belousov & Kabak, 1992 * ''Trechus suturalis'' Putzeys, 1870 * ''Trechus svanicus'' Belousov, 1989 * ''Trechus sylviae'' Lompe, 2000 * ''Trechus sylvicola'' K. Daniel & J. Daniel, 1898 * ''Trechus szujeckii'' Pawlowski, 1972T
* ''Trechus taghizadehi'' Morvan, 1974 * ''Trechus talassicus'' Belousov & Kabak, 1992 * ''Trechus talequah'' Barr, 1962 * ''Trechus talgarensis'' Jeannel, 1927 * ''Trechus tamangi'' J. Schmidt, 1998 * ''Trechus tamurensis'' Deuve & Hodebert, 1991 * ''Trechus tarbagataicus'' Belousov & Kabak, 1992 * ''Trechus tardokijanensis'' Lafer, 1989 * ''Trechus tatai'' Reboleira & Ortuño, 2010 * ''Trechus tchibiloevi'' Anichtchenko, 2009 * ''Trechus teberdanus'' Jeannel, 1960 * ''Trechus teletskianus'' Belousov & Kabak, 1994 * ''Trechus tempestivus'' Panzer, 1799 * ''Trechus tennessensis'' Barr, 1962 * ''Trechus tenoensis'' Israelson & Palm, 1979 * ''Trechus tentek'' Belousov & Kabak, 1996 * ''Trechus tenuilimbatus'' K. Daniel & J. Daniel, 1898 * ''Trechus terceiranus'' Machado, 1988 * ''Trechus terrabravensis'' Borges, Serrano & Amorim, 2004 * ''Trechus terskeiensis'' Belousov & Kabak, 1992 * ''Trechus tesnensis'' Belousov & Kabak, 1999 * ''Trechus tetracoderus'' Gemminger & Harold, 1868 * ''Trechus teverganus'' Torribio, 2015 * ''Trechus thai'' Deuve, 1995 * ''Trechus thaleri'' Franz, 1991 * ''Trechus thessalicus'' Meixner, 1928 * ''Trechus thessalonicus'' Jeannel, 1930 * ''Trechus thibetanus'' Jeannel, 1928 * ''Trechus thomasbarri'' Donabauer, 2005 * ''Trechus thorectes'' Ueno, 1983 * ''Trechus thorungiensis'' J. Schmidt, 1994 * ''Trechus thunderheadensis'' Donabauer, 2005 * ''Trechus tianchi'' Perreau, 1992 * ''Trechus tianshanivagus'' Deuve, 1993 * ''Trechus tilitshoensis'' J. Schmidt, 1994 * ''Trechus tingitanus'' Putzeys, 1870 * ''Trechus tishetshkini'' Belousov & Kabak, 1994 * ''Trechus tobiasi'' Donabauer, 2005 * ''Trechus toksanbaicus'' Belousov & Kabak, 1993 * ''Trechus tolucensis'' Bolivar & Pieltain, 1941 * ''Trechus tonitru'' Barr, 1962 * ''Trechus topaz'' Belousov & Kabak, 1998 * ''Trechus toroticus'' Belousov & Kabak, 1996 * ''Trechus torrentialis'' Apfelbeck, 1908 * ''Trechus torressalai'' Ortuno & Arillo, 2005 * ''Trechus torretassoi'' Jeannel, 1937 * ''Trechus tosioi'' Ueno, 1972 * ''Trechus trachypachys'' Sciaky & Pavesi, 1995 * ''Trechus triamicorum'' Ortuño & Jiménez-Valverde, 2011 * ''Trechus tristiculus'' K. Daniel & J. Daniel, 1898 * ''Trechus tsampa'' Schmidt, 2009 * ''Trechus tseringi'' Schmidt, 2009 * ''Trechus tshildebaevi'' Belousov & Kabak, 1992 * ''Trechus tshitsherini'' Belousov, 1987 * ''Trechus tuckaleechee'' Barr, 1962 * ''Trechus tumidus'' Jeannel, 1921 * ''Trechus turgenicus'' Belousov & Kabak, 1994 * ''Trechus turkestanicus'' Belousov & Kabak, 1992 * ''Trechus turnai'' Deuve & Queinnac, 1993 * ''Trechus turnaianus'' Deuve, 1993 * ''Trechus turnaioides'' Deuve, 1998 * ''Trechus turukensis'' Belousov & Kabak, 1992 * ''Trechus tusquitee'' Barr, 1979 * ''Trechus tusquitensis'' Donabauer, 2005 * ''Trechus tuxeni'' Jeannel, 1957 * ''Trechus tychus'' Jeannal, 1960 * ''Trechus tyrrhenicus'' Jeannel, 1927 * ''Trechus tyshkanensis'' Deuve & Queinnec, 1992U
* ''Trechus udiensis'' Ortuno, Gutiérrez, Pascual & Ruiz, 2017 * ''Trechus uenyeensis'' Donabauer, 2006 * ''Trechus ulrichi'' Pawlowski, 1976 * ''Trechus umbricola'' Wollaston, 1854 * ''Trechus uncifer'' Barr, 1962 * ''Trechus unisetiger'' Ueno, 1997 * ''Trechus urartaeus'' Pavesi & Sciaky, 1994 * ''Trechus usgentensis'' Belousov & Kabak, 1998 * ''Trechus utschderensis'' Reitter, 1890 * ''Trechus uygur'' Deuve, 1993 * ''Trechus uygurorum'' Belousov & Kabak, 1994 * ''Trechus uyttenboogaarti'' Jeannel, 1936V
* ''Trechus valbonensis'' Jeannel, 1927 * ''Trechus valentinei'' Barr, 1979 * ''Trechus valenzuelai'' Fresneda, Bourdeau & Faille, 2015 * ''Trechus validicollis'' Sciaky & Pavesi, 1995 * ''Trechus validipes'' K. Daniel, 1902 * ''Trechus valikhanovi'' Belousov & Kabak, 1993 * ''Trechus vallestris'' K. Daniel & J. Daniel, 1898 * ''Trechus vandykei'' (Jeannel, 1927) * ''Trechus varendorffi'' Sainte-Claire Deville, 1903 * ''Trechus verus'' Barr, 1962 * ''Trechus vicarius'' Bates, 1883 * ''Trechus vietnamicus'' Ueno, 1995 * ''Trechus vignai'' Casale, 1979 * ''Trechus viti'' Pawlowski, 1977W
* ''Trechus walteri'' Pawlowski, 1978 * ''Trechus wayahbaldensis'' Donabauer, 2005 * ''Trechus weiratheri'' Jeannel, 1929 * ''Trechus weiserti'' Donabauer, 2007 * ''Trechus weixiensis'' Belousov & Kabak, 1998 * ''Trechus winkleri'' Jeannel, 1927 * ''Trechus witkowskii'' Pawlowski, 1978 * ''Trechus wittmeri'' Ueno, 1977 * ''Trechus wrcecionkoianus'' Donabauer, 2005 * ''Trechus wrzecionkoi'' Deuve, 1996 * ''Trechus wutaicola'' Deuve, 1988X
* ''Trechus xiei'' Deuve, 1992 * ''Trechus xinjiangensis'' Deuve, 1992 * ''Trechus xiwuensis'' Deuve, 1996Y
* ''Trechus yak'' Schmidt, 2009 * ''Trechus yanoi'' Jeannel, 1937 * ''Trechus yaralensis'' Belousov & Kabak, 1998 * ''Trechus yasudai'' Ueno, 1973 * ''Trechus yengensis'' Morvan, 1982 * ''Trechus yeti'' Schmidt, 2009 * ''Trechus yosiianus'' Ueno, 1954Z
* ''Trechus zaerensis'' Antoine, 1928 * ''Trechus zamotajlovi'' Belousov, 1990 * ''Trechus zangherii'' Jeannel, 1927 * ''Trechus zarandicus'' Moravec, 1986 * ''Trechus zaslavskii'' Jeannel, 1962 * ''Trechus zetteli'' Donabauer, 2007 * ''Trechus zhabyk'' Belousov & Kabak, 1994 * ''Trechus zhangi'' Deuve, 1989 * ''Trechus zhaosuensis'' Deuve, 2004 * ''Trechus zhdankoi'' Belousov & Kabak, 1992 * ''Trechus ziganensis'' Jeanne, 1976 * ''Trechus zinovievi'' Belousov & Kabak, 1996 * ''Trechus zintshenkoi'' Belousov & Kabak, 1999 * ''Trechus zoigeicola'' Belousov & Kabak, 1998 * ''Trechus zoigensis'' Deuve, 1989 * ''Trechus zolotikhini'' Belousov, 1990 * ''Trechus zonguldakensis'' Donabauer, 2004 * ''Trechus zorgatii'' Queinnec & Ollivier, 2013 * ''Trechus zvarici'' Belousov & Kabak, 1998References
External links