|scientific name Dyschirius quadrimaculatus |
On steep river banks of sand-mixed clay lacking vegetation.
This species has been collected in May, June and August.
Member of the quadrimaculatus group, clypeus with two blunt median teeth. Pale yellowish brown, more or less piceous ventrally, elytra about middle with a transverse dark cloud (slightly metallic) which usually extends along the suture from base to apex; shoulder region and apex always pale; prothorax often with a similar cloud on dis; antennae entirely yellow. Elytron with 3 dorsal punctures adjacent to 3rd stria, anterior puncture large; 1 subhumeral fovea; and 2 preapical punctures. Length 3.3-4.0 mm.
No information available.
Both larvae and adults are predatory.
This species is found on the northern central plains of United States, and on the prairie region of Canada. In Alberta this species is known from the southern third, and one locality near Flatbush, north of Edmonton.
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