Thesium cavifrons
(LeConte, 1863)
A small rove beetle in the Staphylinidae, Pselaphinae. The Thesium belongs to the tribe Trichonychini, a diverse group of minute beetles often associated with leaf litter and soil . The epithet 'cavifrons' refers to a hollowed or concave frontal region of the .
Pronunciation
How to pronounce Thesium cavifrons: /ˈθiːsiəm ˈkævɪˌfrɒnz/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from other Thesium by the concave frontal region of the (cavifrons = 'hollow forehead'). As with most pselaphine rove beetles, identification to species level requires examination of minute morphological characters including antennal structure, pronotal and elytral , and male genitalia. The is characterized by compact body form typical of the Trichonychini.
Distribution
Eastern and central North America. Recorded from Canada (Ontario) and the United States (Alabama, District of Columbia, Florida, Georgia, Iowa, Louisiana, Maine, Mississippi, New Hampshire, Ohio, Oklahoma, Pennsylvania, South Carolina, Texas, Virginia).