Trechus
Guides
Trechus chalybeus
Trechus chalybeus is a small ground beetle in the family Carabidae, subfamily Trechinae. The species was described by Dejean in 1831 and has been historically placed in the genus Epaphius by some authorities. It is known from North America with records across the northern United States, Canada, and Alaska. As a member of the large genus Trechus, it shares the typical characteristics of small, often metallic carabid beetles associated with ground-level habitats.
Trechus quadristriatus
Four-lined ground beetle
Trechus quadristriatus is a small ground beetle in the family Carabidae, distributed across North America, Europe, temperate Asia, and Africa. It has been studied primarily in agricultural landscapes, where its ecology has been examined alongside similar carabid species. The species is one of many in the large genus Trechus, which comprises numerous small, often difficult-to-distinguish ground beetles.
Trechus vandykei pisgahensis
A subspecies of ground beetle in the family Carabidae, described by Barr in 1979. This taxon belongs to the genus Trechus, a diverse group of small carabid beetles commonly known as ground beetles. The subspecific epithet 'pisgahensis' suggests an association with Pisgah, likely referring to a geographic location in the southeastern United States.