|scientific name Pterostichus femoralis |
Open country, even on dry prarie, both sandy and clay soils; apparently not hygrophilous.
Adults collected May to August.
Member of the patruelis group, (subgenus Argutor). Piceous black, mouthparts, base of antennae and at least tibia, often entire leg, dark rufous. Prothorax with sides slightly, often ver little, sinuate before hind angles, which are right or slightly obtuse; base impunctate, or nearly so. Elytral striae with evident, rather coarse punctures. Last tarsal segment glabrous. Length 6 to 7.5 mm.
Believed to overwinter in the adult stage.
Both larvae and adults are predatory.
This species is recorded from northern United States and most of Canada. In Alberta this species is recorded from the southern half.
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