# Trechini

Trechini is a large tribe of ground beetles in the family Carabidae. There are more than 270 genera and over 2,400 described species in Trechini, found throughout the world.
The ground beetles of this tribe are small, typically less than 5 mm in length and sometimes 1 mm or less. They occur in a wide variety of habitats on every continent except Antarctica. Though the extinct genus Antarctotrechus indicates that they were formerly present on that continent.

## Genera

These genera belong to the tribe Trechini:

### Subtribe Aepina Fowler, 1887

    Aepopsis Jeannel, 1922
    Aepus Leach in Samouelle, 1819
    Kenodactylus Broun, 1909
    Kiwitrechus Larochelle & Larivière, 2007
    Maoritrechus Brookes, 1932
    Neanops Britton, 1962
    Oarotrechus Townsend, 2010
    Temnostega Enderlein, 1905
    Thalassobius Solier, 1849
    Waiputrechus Townsend, 2010

### Subtribe Perileptina Sloane, 1903

    Apoplotrechus Alluaud, 1915
    Neoblemus Jeannel, 1923
    Perileptus Schaum, 1860

### Subtribe Trechina Bonelli, 1810

    Accoella Ueno, 1990
    Acheroniotes Lohaj & Lakota, 2010
    Adriaphaenops Noesske, 1928
    Aepiblemus Belousov & Kabak, 1993
    Agonotrechus Jeannel, 1923
    Agostinia Jeannel, 1928
    Alanorites Belousov, 1998
    Albanotrechus Casale & V.B.Gueorguiev, 1994
    Allegrettia Jeannel, 1928
    Allotrechiama Ueno, 1970
    Ameroduvalius Valentine, 1952
    Anchotrechus Jeannel, 1927
    Andinorites Mateu & Belles, 1980
    Andinotrechus Mateu, 1981
    Anillidius Jeannel, 1928
    Anophthalmus Sturm, 1844
    Aphaenopidius G.Müller, 1913
    Aphaenops Bonvouloir, 1862
    Aphaenopsis G.Müller, 1913
    Apocimmerites Belousov, 1998
    Apoduvalius Jeannel, 1953
    Aputrechisibus Trezzi, 2007
    Arctaphaenops Meixner, 1925
    Aspidaphaenops Ueno, 2006
    Austrotrechus B.Moore, 1972
    Awatrechus Ueno, 1955
    Balazucellus Deuve, 2001
    Bathytrechus Ueno, 2005
    Beronaphaenops B.V.Gueorguiev, 2012
    Birmaphaenops Deuve, 2017
    Blemus Dejean, 1821
    Boldoriella Jeannel, 1928
    Boreaphaenops Ueno, 2002
    Bothynotrechus B.Moore, 1972
    Casaleaphaenops Tian; Huang & Ma, 2021
    Cathaiaphaenops Deuve, 1996
    Caucasaphaenops Belousov, 1999
    Caucasorites Belousov & Zamotajlov, 1997
    Chaetoduvalius Jeannel, 1928
    Chaetotrechiama Ueno, 1982
    Chiapadytes Vigna Taglianti, 1977
    Chu Tian & He, 2020
    Cimbrodytes Piva, 2021
    Cimmerites Jeannel, 1928
    Cimmeritodes Deuve, 1996
    Ckacus Tian & Huang, 2021
    Columbitrechus Mateu, 1982
    Coreoblemus Ueno, 1969
    Croatotrechus Casale & Jalzic, 1999
    Dabatrechus Ueno, 2004
    Dactylotrechus Belousov & Kabak, 2003
    Daiconotrechus Ueno, 1971
    Dalmataphaenops Monguzzi, 1993
    Darlingtonea Valentine, 1952
    Derossiella Queinnec, 2008
    Deuveaphaenops Tian & Huang, 2017
    Dianotrechus Tian, 2016
    Doderotrechus Vigna Taglianti, 1968
    Dongoblemus Deuve & Tian, 2016
    Dongodytes Deuve, 1993
    Dracotrechus Ueno, 2010
    Duvalioblemus Deuve, 1995
    Duvaliomimus Jeannel, 1928
    Duvaliopsis Jeannel, 1928
    Duvalius Delarouzée, 1859
    Eocnides Jeannel, 1954
    Epaphiopsis Ueno, 1953
    Epaphiotrechus Deuve & Kavanaugh, 2016
    Epaphius Leach in Samouelle, 1819
    Erebotrechus Britton, 1964
    Escolatrechus Mateu, 2003
    Eutrechopsis B.Moore, 1972
    Eutrechus B.Moore, 1972
    Geotrechus Jeannel, 1919
    Giraffaphaenops Deuve, 2002
    Glabroduvalius Vrbica; Curcic; Antic & Curcic, 2013
    Goedetrechus B.Moore, 1972
    Gotoblemus Ueno, 1970
    Graciliblemus Deuve & Tian, 2016
    Guatemalatrechus Trezzi, 2003
    Guiaphaenops Deuve, 2002
    Guizhaphaenops Vigna Taglianti, 1997
    Guizhaphaenopsoides Tian; Huang & Li, 2021
    Gulaphaenops Ueno, 1987
    Himalaphaenops Ueno, 1980
    Himalotrechus Belousov; Kabak & J.Schmidt, 2019
    Homaloderodes Jeannel, 1962
    Huoyanodytes Tian & Huang, 2016
    Iberotrechus Jeannel, 1920
    Iga Ueno, 1953
    Incatrechus Mateu & Belles, 1982
    Inotrechus Dolzhanski & Ljovushkin, 1989
    Ishidatrechus Ueno, 1956
    Ishikawatrechus Habu, 1950
    Italaphaenops Ghidini, 1964
    Iyotrechus Ueno & Naito, 2009
    Jalzicaphaenops Lohaj & Lakota, 2010
    Jeannelius Kurnakov, 1959
    Jiangxiaphaenops Ueno & Clarke, 2007
    Jiulongotrechus Tian; Huang & Wang, 2015
    Junaphaenops Ueno, 1997
    Junnanotrechus Ueno & Yin, 1993
    Kettlotrechus Townsend, 2010
    Kosswigia Jeannel, 1947
    Kozlovites Jeannel, 1935
    Kupetrechus Larochelle & Larivière, 2007
    Kurasawatrechus Yoshida & Nomura, 1952
    Kusumia Ueno, 1952
    Lanxangaphaenops Deuve, 2012
    Laoblemus Ueno, 2006
    Laosaphaenops Deuve, 2000
    Lessinodytes Vigna Taglianti, 1982
    Libotrechus Ueno, 1998
    Luoxiaotrechus Tian & Yin, 2013
    Luyatrechus M.Etonti & Mateu, 2000
    Luzonotrechus Ueno, 1979
    Mamesdytes Trezzi, 2003
    Masuzoa Ueno, 1960
    Masuzonoblemus Ueno, 1989
    Mayaphaenops Vigna Taglianti, 1977
    Meganophthalmus Kurnakov, 1959
    Mexaphaenops Bolivar y Pieltain, 1942
    Mexitrechus Barr, 1982
    Miaotrechus Tian; Chen & Ma, 2020
    Microblemus Ueno, 2007
    Mimanillus B.Moore, 1972
    Mimotrechus B.Moore, 1972
    Minimaphaenops Deuve, 2000
    Minosaphaenops Queinnec, 2008
    Minutotrechus Deuve & Kavanaugh, 2016
    Nannotrechus Winkler, 1926
    Nanotrechiama Belousov & Kabak, 2018
    Neaphaenops Jeannel, 1920
    Nelsonites Valentine, 1952
    Neotrechus G.Müller, 1913
    Nesaeoduvalius Casale & Giachino, 2016
    Nesiotrechus Ueno, 1995
    Nipponaphaenops Ueno, 1971
    Nototrechus B.Moore, 1972
    Nunbergites Pawlowski & Stachowiak, 1991
    Omalodera Blanchard, 1842
    Oodinotrechus Ueno, 1998
    Oroblemites Ueno & Pawlowski, 1981
    Oroblemus Ueno & Yoshida, 1966
    Orotrechus G.Müller, 1913
    Oxytrechus Jeannel, 1927
    Panaphaenops Tian; Huang & Ma, 2021
    Paracimmerites Belousov, 1998
    Paraphaenops Jeannel, 1916
    Paratrechiotes Ueno, 1995
    Paratrechus Jeannel, 1920
    Petraphaenops Delic; Kapla & Colla, 2019
    Pheggomisetes Knirsch, 1923
    Pilosaphaenops Deuve & Tian, 2008
    Plesioaphaenops Deuve & Tian, 2011
    Pogonoschema Jeannel, 1927
    Pontodytes Casale & Giachino, 1989
    Porocimmerites Belousov, 1998
    Protrechiama Belousov & Kabak, 2003
    Pseudanophthalmus Jeannel, 1920
    Pseudaphaenops Winkler, 1912
    Pseudocnides Jeannel, 1927
    Pseudotrechisibus Mateu & Belles, 1982
    Puertrechus Belousov & Kabak, 2014
    Putzeysius Jeannel, 1962
    Qianaphaenops Ueno, 2000
    Qianotrechus Ueno, 2000
    Queinnectrechus Deuve, 1992
    Rakantrechus Ueno, 1951
    Ryugadous Habu, 1950
    Sardaphaenops Cerruti & Henrot, 1956
    Satotrechus Ueno, 2006
    Sbordoniella Vigna Taglianti, 1980
    Scotoplanetes Absolon, 1913
    Scototrechus Britton, 1962
    Shenaphaenops Ueno, 1999
    Shennongotrechus Ueno, 2004
    Shenoblemus Tian & Fang, 2020
    Shilinotrechus Ueno, 2003
    Shiqianaphaenops Tian, 2016
    Shuangheaphaenops Tian, 2017
    Shuaphaenops Ueno, 1999
    Sichuanotrechus Deuve, 2005
    Sidublemus Tian & Yin, 2013
    Sinaphaenops Ueno & Wang, 1991
    Sinocimmerites Deuve, 2007
    Sinotrechiama Ueno, 2000
    Sinotroglodytes Deuve, 1996
    Sloanella Jeannel, 1927
    Speotrechus Jeannel, 1922
    Stevensius Jeannel, 1923
    Stygiotrechus Ueno, 1958
    Subilsia Español, 1967
    Sumatrechus Deuve, 2005
    Superbotrechus Deuve & Tian, 2009
    Suzuka Ueno, 1956
    Taiwanotrechus Ueno, 1987
    Taniatrechus Belousov & Dolzhanski, 1994
    Tasmanorites Jeannel, 1927
    Tasmanotrechus B.Moore, 1972
    Taurocimmerites Belousov, 1998
    Thalassoduvalius Ueno, 1956
    Tianeotrechus Tian & Tang, 2016
    Tianzhuaphaenops Zhao & Tian, 2016
    Tienmutrechus Suenson, 1957
    Tonkinaphaenops Deuve, 2013
    Toshiaphaenops Ueno, 1999
    Trechepaphiama Deuve & Kavanaugh, 2016
    Trechepaphiopsis Deuve & Kavanaugh, 2016
    Trechiama Jeannel, 1927
    Trechiamiotes Deuve, 1998
    Trechicomimus Mateu & Nègre, 1972
    Trechiella Jeannel, 1927
    Trechimorphus Jeannel, 1927
    Trechinotus Jeannel, 1962
    Trechiotes Jeannel, 1954
    Trechisibus Motschulsky, 1862
    Trechistus B.Moore, 1972
    Trechoblemus Ganglbauer, 1891
    Trechus Clairville, 1806
    Trichaphaenops Jeannel, 1916
    Troglocimmerites Ljovuschkin, 1970
    Tropidotrechus Jeannel, 1927
    Typhlotrechus G.Müller, 1913
    Uenoaphaenops Tian & He, 2020
    Uenoites Belousov & Kabak, 2016
    Uenotrechus Deuve & Tian, 1999
    Ushijimaella Ueno, 1980
    Velebitaphaenops Casale & Jalzic, 2012
    Velesaphaenops S.Curcic et al., 2018
    Vietotrechus Ueno, 1995
    Wanhuaphaenops Tian & Wang, 2016
    Wanoblemus Tian & Fang, 2016
    Wulongoblemus Ueno, 2007
    Xenotrechus Barr & Krekeler, 1967
    Xiangxius Tian; Huang & Li, 2021
    Xuedytes Tian & Huang, 2017
    Yalongaphaenops Belousov & Kabak, 2021
    Yamautidius Ueno, 1957
    Yanzaphaenops Ueno, 2010
    Yunotrechus Tian & Huang, 2014
    Zhijinaphaenops Ueno & Ran, 2002

### Subtribe Trechodina Jeannel, 1926

    Amblystogenium Enderlein, 1905
    Canarobius Machado, 1987
    Cnides Motschulsky, 1862
    Cothresia Jeannel, 1964
    Cyphotrechodes Jeannel, 1926
    Eotrechodes Ueno; Lafer & Sundukov, 1995
    Himalotrechodes Ueno, 1981
    Iberotrechodes Faille et al., 2021
    Pachydesus Motschulsky, 1864
    Pachytrechodes Jeannel, 1960
    Paratrechodes Jeannel, 1926
    Scaurotrechodes Geginat, 2006
    Spelaeovulcania Machado, 1987
    Sporades Fauvel, 1882
    Thalassophilus Wollaston, 1854
    Trechobembix Jeannel, 1926
    Trechodes Blackburn, 1901
    Trechosia Jeannel, 1926
    Trechosiella Jeannel, 1960

### Not placed in a subtribe

    †Antarctotrechus Ashworth & Erwin, 2016
    †Trechinites Heer, 1862
    †Trechoides Motschulsky, 1856