Species Details

Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

SeasonalityAdults have benn collected in April to June. IdentificationThis is the only species of Trachypachus found in Alberta. The antennae only have scattered stiff setae, lacking dense, depressed pubescence on the outer seven antennomeres. The metacoxae are extended laterally to meet the margins of elytra. Black or very dark piceous, tibiae usually brownish, upper surface shiny brass. Prothorax with three lateral setigerous punctures each side; anterior and posterior margins fringed with short setae. Elytra with varying number (3-12) of irregular rows of punctures, effacing at apex. Length 3.8 to 5.8 mm.

Scientific Name Trachypachus holmbergi Seasonality Adults have benn collected in April to June. Identification
This is the only species of Trachypachus found in Alberta. The antennae only have scattered stiff setae, lacking dense, depressed pubescence on the outer seven antennomeres. The metacoxae are extended laterally to…
This is the only species of Trachypachus found in Alberta. The antennae only have scattered stiff setae, lacking dense, depressed pubescence on the outer seven antennomeres. The metacoxae are extended laterally to meet the margins of elytra. Black or very dark piceous, tibiae usually brownish, upper surface shiny brass. Prothorax with three lateral setigerous punctures each side; anterior and posterior margins fringed with short setae. Elytra with varying number (3-12) of irregular rows of punctures, effacing at apex. Length 3.8 to 5.8 mm.
Life History This species overwinters in the adult stage. Conservation Common. Diet Info Both larvae and adults are predatory. Range This species is found in Alaska and western United States and in western Canada, including the north. In Alberta this species is recorded from the Edmonton area and in the extreme north east corner of the provinve.

Citation

Page Citation for Trachypachus holmbergi

Page Citation

"Trachypachus holmbergi, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-1540. Accessed 11 May. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Coleoptera Suborder Adephaga Superfamily Caraboidea Family Trachypachidae Subfamily Trachypachinae Tribe Trachypachini Genus Trachypachus Species Trachypachus holmbergi
This hierarchy is created from our museum records, it may not always accurately reflect modern taxonomies.

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum