|scientific name Dyschirius politus |
Usually on river banks, at times on lake shores, but also in not too dry spots with low vegetation.
This species has been collected from June to August.
Member of the politus group, with reduced number of dorsal punctures, 1-2, on the 3rd elytral interval, and the two teeth on the lateral margin of the protibiae rudimentary. Black or dark piceous with more or less pronounced metallic lustre (brassy, rarely bluish or greenish), antennae piceous with one plae basal segemnt (or more), legs reddish or piceous with more or less darkened femora. Anterior margin of clypeus usually truncate. Elytron with 1 subhumeral fovea and 2 preapical punctures. Length 3.4-4.9 mm.
No information available.
Both larvae and adults are predatory.
This species is found throughout northern United States and most of Canada. In Alberta this species is found in the southern three fifths.
Comments are published according to our submission guidelines. The EH Strickland Entomological Museum does not necessarily endorse the views expressed.