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Trechus Cumberlandus
''Trechus cumberlandus'' is a species of ground beetle in the subfamily Trechinae Trechinae is a subfamily in the ground beetle family, Carabidae. Genera The subfamily includes the following genera: * '' Accoella'' Uéno, 1990 * '' Acheroniotes'' Lohai & Lakota, 2010 * '' Adriaphaenops'' Noesske, 1928 * '' Aepiblemus'' Belo .... It was described by Barr in 1962. ''Trechus cumberlandus'' has a length ranging from 3.4 mm to 3.8 mm and has a brownish black colouration. Their elytra have only faint ridges. Their common habitat is caves with high humidity. References cumberlandus Beetles described in 1962 {{Trechus-stub ...
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Ground Beetle
Ground beetles are a large, cosmopolitan distribution, cosmopolitan family (biology), family of beetles, the Carabidae, with more than 40,000 species worldwide, around 2,000 of which are found in North America and 2,700 in Europe. As of 2015, it is one of the 10 most species-rich animal families. They belong to the Adephaga. Members of the family are primarily carnivorous, but some members are phytophagous or omnivorous. Description and ecology Although their body shapes and coloring vary somewhat, most are shiny black or metallic and have ridged wing covers (elytra). The elytra are fused in some species, particularly the large Carabinae, rendering the beetles unable to fly. The species ''Mormolyce phyllodes'' is known as violin beetle due to their peculiarly shaped elytra. All carabids except the quite primitive flanged bombardier beetles (Paussinae) have a groove on their arthropod leg, fore leg tibiae bearing a comb of hairs used for cleaning their antenna (biology), antennae. ...
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Trechinae
Trechinae is a subfamily in the ground beetle family, Carabidae. Genera The subfamily includes the following genera: * '' Accoella'' Uéno, 1990 * '' Acheroniotes'' Lohai & Lakota, 2010 * '' Adriaphaenops'' Noesske, 1928 * '' Aepiblemus'' Belousov & Kabak, 1993 * '' Aepopsis'' Jeannel, 1922 * '' Aepus'' Leach, 1819 * '' Afrotachys'' Basilewsky, 1958 * '' Agonotrechus'' Jeannel, 1923 * '' Agostinia'' Jeannel, 1928 * '' Alanorites'' Belousov, 1998 * '' Albanotrechus'' Casale & V.B. Gueorguiev, 1994 * '' Allegrettia'' Jeannel, 1928 * '' Allotrechiama'' Uéno, 1970 * '' Amblystogenium'' Enderlein, 1905 * '' Amerizus'' Chaudoir, 1868 – including ''Gnatholymnaeum'' * '' Ameroduvalius'' Valentine, 1952 * '' Anchotrechus'' Jeannel, 1927 * '' Andinorites'' Mateu & Belles, 1980 * '' Andinotrechus'' Mateu, 1981 * '' Angustanillus'' Baehr & Main, 2016 * '' Anillidius'' Jeannel, 1928 * '' Anillinus'' Casey, 1918 * '' Anillodes'' Jeannel, 1963 * '' Anillopsidius'' Coiffait, 1969 * '' Anillo ...
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Elytra
An elytron (; ; , ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometimes alternatively spelled as "hemielytra"), and in most species only the basal half is thickened while the apex is membranous, but when they are entirely thickened the condition is referred to as "coleopteroid". An elytron is sometimes also referred to as a shard. Description The elytra primarily serve as protective wing-cases for the hindwings underneath, which are used for flying. To fly, a beetle typically opens the elytra and then extends the hindwings, flying while still holding the elytra open, though many beetles in the families Scarabaeidae and Buprestidae can fly with the elytra closed (e.g., most Cetoniinae; ). In a number of groups, the elytra are reduced to various degrees, (e.g., the beetle families Staphylinidae and Ripiphoridae), or ...
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Trechus
''Trechus'' is a genus of ground beetle native to the Palearctic (including Europe) and the Near East. The name is derived from the Greek word ''trécho'', meaning "I run". It contains the following species: A * '' 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'' Apfel ...
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