|scientific name Nebria obliqua obliqua |
Strongly hygrophilous, occurring cl;ose to the waters edge on the banks of not too small rivers.
Adults were collected in June to September.
Member of the obtusa group. Piceous to almost black, elytra usually more or less rufinistic, appendages paler. Characterized by the very obtuse hind-angles of prothorax, with sides not or barely sinuate basally. Length 10.3 to 12.0 mm.
Overwintering occurs in the larval stage, with most immature individuals found early in summer.
Both larvae and adults are predatory.
This subspecies is found in the western half of United States and Canada. In Alberta this subspecies is found throughout most of the southern half.
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