# Trechus

Trechus Clairville, 1806 é um género de escaravelho, com distribuição holárctica. O género é nativo do Paleártico e tem a sua máxima biodiversidade na Europa e Médio Oriente. O nome genérico deriva do grego clássico trécho, que significa "corro".
Em Portugal existem 53 espécies neste género, divididas em 9 grupos.

## Espécies

O género inclui as seguintes espécies (lista não exaustiva):
* Trechus abakumovi Belousov & Kabak, 1996
* Trechus abdurakhmanovi Belousov, 1990
* Trechus abeillei Pandelle, 1872
* Trechus academiae Deuve, 1992
* 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 Espanol, 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 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 & Ortuno, 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 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 Espanol, 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 frigidus Apfelbeck, 1904
* Trechus bosnicus Ganglbauer, 1891
* Trechus boudikae Morvan, 1982
* Trechus boulbeni Deuve, 1998
* 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 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 & Rodriguez, 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 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 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 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 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 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
* 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 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 Espanol, 1970
* Trechus osellai F. Battoni & Vigna Taglianti, 1994
* Trechus osmanilis K. Daniel & J. Daniel, 1902
* 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 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 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 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 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 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 regularis Putzeys, 1870
* Trechus religiosus Schmidt, 2009
* Trechus renei Belousov, 1990
* Trechus rhilensis Kaufmann, 1884
* Trechus rhodopeius Jeannel, 1921
* 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 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, 1992
* 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, 1936
* Trechus valbonensis Jeannel, 1927
* Trechus valentinei Barr, 1979
* 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 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