|scientific name Patrobus longicornis |
Meadows in deciduos forests; cultivated ground with rich vegetation; near margin of water.
Adults of this species have been collected from June to September.
Largest member in the genus, at once separated from the other species by the impunctate deeply engraved anterior transverse impression which reaches the front angles of the prothorax. Piceous to almost black, very shiny, mouthparts paler, legs bright rufous or testaceous. Elytra slightly iridescent, microsculpture transverse. Length 9.2-14.8 mm.
Overwinters in the larval stage.
Both larvae and adults are predatory.
This species is found in most of United States and Canada. In Alberta this species is found in the southern half.
Comments are published according to our submission guidelines. The EH Strickland Entomological Museum does not necessarily endorse the views expressed.