title: Trechus
text: # Trechus
  
  Trechus es un género de coleópteros adéfagos de la familia Carabidae. Sus especies se distribuyen por el holártico, la mitad norte de África y el subcontinente indio.
  
  # Trechus
  ## Especies
  
  Se reconocen las siguientes:
  * Trechus acco Ueno, 1991
  * Trechus achillecasalei Deuve, 1998
  * Trechus acuticollis Sciaky & Pavesi, 1994
  * Trechus aduncus Barr, 1962
  * Trechus adustus Jeannel, 1962
  * Trechus aedeagalis Schmidt, 2009
  * Trechus aethiopicus Alluaud, 1918
  * Trechus agni Deuve & Quinnec, 1985
  * Trechus agouzicus Deuve & Queinnec, 1992
  * Trechus akibensis Belousov, 1990
  * Trechus akkusianus Donabauer, 2005
  * Trechus aksuensis Belousov & Kabak, 1996
  * Trechus alajensis Belousov & Kabak, 1994
  * Trechus alanicus Belousov, 1990
  * Trechus albanicus Apfelbeck, 1907
  * Trechus algiricus Jeannel, 1922
  * Trechus alicantinus Español, 1971
  * Trechus alinae Dajoz, 1990
  * Trechus almonius Reitter, 1903
  * Trechus alpicola Sturm, 1825
  * Trechus alpigradus Reitter, 1888
  * Trechus alticola Wollaston, 1854
  * Trechus altitudinum Deuve, 2004
  * Trechus amasraensis Donabauer, 2004
  * Trechus ambarensis Jeannel, 1954
  * Trechus amblus Jeannel, 1935
  * Trechus amblygonellus Jeannel, 1964
  * Trechus amblygonus Jeannel, 1935
  * Trechus ambrolauricus Belousov, 1989
  * Trechus amharicus Ortuño & Novoa, 2011
  * Trechus amicorum P. Moravec & Wrase, 1998
  * Trechus amplicollis Fairmaire, 1859
  * Trechus anae Morvan, 1982
  * Trechus angelicae Reitter, 1892
  * Trechus angulifer Belousov & Kabak, 1992
  * Trechus angusticeps Apfelbeck, 1904
  * Trechus angusticollis Kiesenwetter, 1850
  * Trechus anichtchenkoi Toribio, 2012
  * Trechus animosus Jeannel, 1962
  * Trechus anjuensis Deuve, 1998
  * Trechus antonii Jeannel, 1936
  * Trechus antonini Deuve, 1998
  * Trechus apache Dajoz, 1990
  * Trechus apicalis Motschulsky, 1845
  * Trechus apoduvalipenis Salgado Costas & Ortuño, 1998
  * Trechus apusenicus P. Moravec, 1986
  * Trechus aquilus Jeannel, 1962
  * Trechus arambourgi Jeannel, 1935
  * Trechus arizonae Casey, 1918
  * Trechus armenus Iablokoff-Khnzorian, 1963
  * Trechus arnoldii Belousov, 1987
  * Trechus arrecheai Ortuño, Cuesta, Gilgado & Ledesma, 2014
  * Trechus arribasi Jeanne, 1988
  * Trechus arsenjevi Jeannel, 1962
  * Trechus arshanicus Belousov & Kabak, 2001
  * Trechus artemisiae Pulseys, 1872
  * Trechus arthuri P. Moravec & Lompe, In Lobl & Smetana, 2003
  * Trechus asetosus Ueno, 1997
  * Trechus asiaticus Jeannel, 1927
  * Trechus assingi Lompe, 1999
  * Trechus astrophilus Schmidt, 2009
  * Trechus atomus P. Moravec & Wrase, 1998
  * Trechus aubei Pandelle, 1867
  * Trechus aubryi Coiffait, 1953
  * Trechus austriacus Dejean, 1831
  * Trechus aveyronensis Fauvel, 1882
  * Trechus avgolensis Belousov & Kabak, 1998
  * Trechus aztec Jeannel, 1920
  * Trechus babaulti Jeannel, 1935
  * Trechus babinjensis Jeannel, 1927
  * Trechus badius Jeannel, 1960
  * Trechus badzhalicus Plutenko, 2004
  * Trechus bajankoli Belousov & Kabak, 1992
  * Trechus bakeri Jeannel, 1923
  * Trechus bakurovi Shilenkov, 1984
  * Trechus balfourbrownei Ueno, 1965
  * Trechus balkaricus Belousov, 1990
  * Trechus balsamensis Barr, 1962
  * Trechus bannaticus Dejean, 1831
  * Trechus barahbisensis Deuve, 1988
  * Trechus barbaritae Donabauer, 2004
  * Trechus barberi (Jeannel, 1931)
  * Trechus barii Focarile, 1949
  * Trechus barnevillei Pandelle, 1867
  * Trechus barratxinai Español, 1971
  * Trechus basarukini P.Moravec & Wrase, 1997
  * Trechus basilewskyi Jeannel, 1960
  * Trechus baskonicus Belousov & Kabak, 1996
  * Trechus bastianinii Magrini & Sciaky, 2006
  * Trechus bastropi Schmidt, 2009
  * Trechus batuensis Magrini & Sciaky, 2006
  * Trechus batyr Belousov & Kabak, 1992
  * Trechus bayanbulak Deuve, 1993
  * Trechus baztanensis Dupre, 1991
  * Trechus beatus Reitter, 1903
  * Trechus bedeli Jeannel, 1922
  * Trechus beesoni Jeannel, 1930
  * Trechus beghinorum Belousov & Kabak, 1992
  * Trechus beieri Winkler, 1936
  * Trechus belovi Belousov & Kabak, 1996
  * Trechus beltrani Toribio, 1990
  * Trechus benahoaritus Machado, 1989
  * Trechus benesi Deuve, 1993
  * Trechus bensai Jeannel, 1927
  * Trechus besucheti Pawlowski, 1977
  * Trechus besuchetianus Deuve, 1987
  * Trechus beusti (Schaufuss, 1863)
  * Trechus bhadarwahensis Deuve, 1982
  * Trechus bhutanicus Ueno, 1977
  * Trechus bibulus Lompe, 1999
  * Trechus biharicus Meixner, 1912
  * Trechus bipartitus Raffray, 1880
  * Trechus bodemeyeri Reitter, 1913
  * Trechus bodius Jeannel, 1960
  * Trechus bogatshevi Belousov, 1987
  * Trechus bogdani Belousov & Kabak, 2000
  * Trechus bogdoensis Belousov & Kabak, 2001
  * Trechus boghinorum Belousov & Kabak, 1992
  * Trechus bohaci P. Moravec, 1987
  * Trechus bohemorum Pawlowski, 1973
  * Trechus boleslavi Belousov & Kabak, 2000
  * Trechus boludagensis Donabauer, 2006
  * Trechus bonvouloiri Pandelle, 1867
  * Trechus bordei Peyerimhoff, 1909
  * Trechus bosnicus Ganglbauer, 1891
  * Trechus boudikae Morvan, 1982
  * Trechus bouilloni Faille, Bourdeau & Fresneda, 2012
  * Trechus boulbeni Deuve, 1998
  * Trechus bourdeaui Fresneda, Valenzuela & Faille, 2015
  * Trechus bousqueti Deuve, 1988
  * Trechus bowlingi Barr, 1962
  * Trechus bradycelliformis Csiki, 1906
  * Trechus brancuccii Deuve, 2006
  * Trechus brembanus Focarile, 1949
  * Trechus brendelli Deuve, 2005
  * Trechus breuili Jeannel, 1913
  * Trechus breuningi Morvan, 1972
  * Trechus brevicaudis Belousov & Kabak, 1993
  * Trechus brevicorpus Belousov & Kabak, 1993
  * Trechus brezinai Deuve & Queinnec, 1992
  * Trechus bruckii Fairmaire, 1862
  * Trechus bruckoides Faille, Bourdeau & Fresneda, 2012
  * Trechus buahitensis Jeannel, 1954
  * Trechus budhaensis Schmidt, 2009
  * Trechus byzantinus Apfelbeck, 1901
  * 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 & Rodríguez, 1997
  * Trechus caspiricus Deuve, 1982
  * Trechus castificus P. 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 chalybeus Dejean, 1831
  * Trechus championi Jeannel, 1920
  * 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 coloradensis Schaeffer, 1915
  * 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 crassiscapus Lindroth, 1955
  * Trechus croaticus Dejean, 1831
  * Trechus croceus Fresneda & Bourdeau en Fresneda et al., 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, 1987
  * 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 dayanae Assmann & Wrase, 2012
  * Trechus debilis Wollaston, 1871
  * Trechus decolor Jeannel, 1938
  * Trechus degienensis Jeannel, 1954
  * Trechus delarouzeei Pandelle, 1867
  * 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 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 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, 1990
  * 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 en Fresneda et al., 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 eutrechoides Deuve, 1992
  * Trechus exilipenis Belousov & Kabak, 1994
  * 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 franzianus Mateu & Deuve, 1979
  * Trechus franzschuberti Donabauer, 2006
  * Trechus fritzbeneschi Donabauer, 2006
  * Trechus fulvatilis Belousov & Kabak, 1998
  * Trechus fulvus Dejean, 1831
  * Trechus fusculus Motschulsky, 1850
  * 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 gitzeni Belousov & Kabak, 2001
  * Trechus glabratus Schmidt, 2009
  * Trechus glacialis Heer, 1837
  * Trechus gloriensis Jeanne, 1971
  * Trechus goebli Breit, 1914
  * 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 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, 1982
  * 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 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 en Fresneda et al., 2019
  * 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, 1888
  * Trechus jadodraconis Deuve, 1995
  * Trechus jaechi Donabauer, 2006
  * Trechus janaki P. 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, 1930
  * 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, 2001
  * 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 latibuli Jeannel, 1948
  * 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 lederi Putzeys, 1878
  * Trechus ledouxianus Mateu & Deuve, 1979
  * Trechus leleupi Jeannel, 1954
  * 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 limacodes Dejean, 1831
  * 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, 1987
  * 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 P. Moravec & Lompe, In Lobl & Smetana, 2003
  * 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 P. 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 P. 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 P. Moravec & Wrase, 1998
  * Trechus myanmarensis Deuve, 2004
  * Trechus nairicus Pavesi & Sciaky, 1992
  * Trechus nakaguroi Ueno, 1960
  * Trechus naldii Ghidini, 1932
  * 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 newar Deuve, 1988
  * 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, 1967
  * Trechus obliquebasalis Breit, 1914
  * Trechus obtusiusculus Ganglbauer, 1889
  * Trechus obtusus Erichson, 1837
  * Trechus ochreatus Dejean, 1831
  * Trechus odontopeos Fresneda & Faille en Fresneda et al., 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 oregonensis Hatch, 1951
  * Trechus orientosinicus Deuve, 1992
  * Trechus ormayi Ganglbauer, 1891
  * 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 ossae Gueorguiev, 2010
  * Trechus ovatus Putzeys, 1846
  * Trechus ovipennis Motschulsky, 1845
  * Trechus ovtshinnikovi Belousov & Kabak, 1992
  * Trechus ozegaharanus Ueno, 1954
  * 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 patrizzii Jeannel, 1960
  * Trechus pavlovskii Jeannel, 1962
  * Trechus pecignai Toribio, 1992
  * 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 pinkeri Ganglbauer, 1891
  * Trechus pirica Ueno, 1992
  * Trechus pirinicus Pawlowski, 1972
  * Trechus pisgahensis Barr, 1979
  * Trechus pisuenensis Ortuño & 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 en Fresneda et al., 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 pseudobarberi Donabauer, 2009
  * Trechus pseudocholaensis Deuve, 1998
  * Trechus pseudolatus Lompe, 2001
  * Trechus pseudomontanellus Rizun, 1994
  * Trechus pseudonovaculosus Donabauer, 2005
  * Trechus pseudopiceus K. Daniel & J. Daniel, 1898
  * Trechus pseudosubtilis Donabauer, 2009
  * Trechus puetzi P. 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 putchkovi Belousov & Kabak, 1996
  * Trechus putzeysi Pandelle, 1867
  * Trechus pygmaeus K. Daniel & J. Daniel, 1898
  * Trechus pyrenaeus Dejean, 1831
  * Trechus qagcaensis Deuve, 1996
  * Trechus qinghaicus Deuve & Queinnec, 1993
  * Trechus qinlingensis P. Moravec & Wrase, 1998
  * Trechus quadrimaculatus Motschulsky, 1850
  * Trechus quadristriatus (Schrank, 1781)
  * Trechus quarelicus Belousov, 1987
  * Trechus raffrayanus Jeannel, 1954
  * Trechus rambouseki Breit, 1909
  * Trechus ramseyensis Donabauer, 2005
  * Trechus rarus Schmidt, 2009
  * Trechus ravasinianus Lorenz, 1998
  * Trechus reebi Queinnec & Olliver, 2013
  * Trechus regularis Putzeys, 1870
  * Trechus religiosus Schmidt, 2009
  * Trechus renei Belousov, 1990
  * Trechus rhilensis Kaufmann, 1884
  * Trechus rhodopeius Jeannel, 1921
  * Trechus riberai Faille & Valenzuela en Fresneda et al., 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 rubens (Fabricius, 1792)
  * Trechus rudolphi Ganglbauer, 1891
  * Trechus rufulus Dejean, 1831
  * Trechus ruthi Jeannel, 1929
  * Trechus sachalinensis Lafer, 1989
  * Trechus safranboluensis Donabauer, 2004
  * Trechus sagax Jeannel, 1960
  * Trechus saglensis Shilenkov, 1998
  * Trechus sajanensis P. Moravec, 1993
  * Trechus sajuncaicus Monguzzi, 2002
  * Trechus salassus Jeannel, 1927
  * 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 P. 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 seserligensis Shilenkov, 1998
  * Trechus sessitanus Monguzzi, 1985
  * Trechus setitemporalis Deuve, 2005
  * Trechus shaanxiensis P. 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 P. 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 P. 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, 1972
  * 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 tenuiscapus Lindroth, 1961
  * 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 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 Bolívar & Pieltain, 1941
  * Trechus tonitru Barr, 1962
  * Trechus topaz Belousov & Kabak, 1998
  * Trechus toroticus Belousov & Kabak, 1996
  * Trechus torrentialis Apfelbeck, 1908
  * Trechus torressalai Ortuño & 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, 1992
  * Trechus uenyeensis Donabauer, 2006
  * Trechus uhagonii Crotch, 1869
  * 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, 1936
  * 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, 1977
  * Trechus wagneri Ganglbauer, 1906
  * 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, 1988
  * Trechus xiei Deuve, 1992
  * Trechus xinjiangensis Deuve, 1992
  * Trechus xiwuensis Deuve, 1996
  * 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, 1954
  * Trechus yvesbousqueti Donabauer, 2010
  * Trechus zaerensis Antoine, 1928
  * Trechus zamotajlovi Belousov, 1990
  * Trechus zangherii Jeannel, 1927
  * Trechus zarandicus P. 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 zvarici Belousov & Kabak, 1998