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Scientific Name Pterostichus sphodrinus Habitat Mixed or coniferous forests, often found under logs, at times close to tree line. Seasonality Adults collected late summer (no Alberta specimens available). Identification

Member of the amethystinus group, (subgenus Hypherpes). Deep black with mouth-parts, tarsi and outer parts of antennae somewhat paler. Prothorax strongly constricted at base with short linear latero-basal impression;…

Member of the amethystinus group, (subgenus Hypherpes). Deep black with mouth-parts, tarsi and outer parts of antennae somewhat paler. Prothorax strongly constricted at base with short linear latero-basal impression; hind-angles completely rounded and very obtuse. Elytra with narrow shoulders, no humeral tooth, striae deep, virtually impunctate, intervals convex. Length 9 to 11.5 mm.

Read More + Life History Overwinters in the adult stage. Conservation Rare. Diet Info Both larvae and adults are predatory. Range

This species is recorded from only Alaska, Washington, Idaho and Montana in the United States, and British Columbia and Alberta in Canada. Published records indicate that this species has only been collected in the…

This species is recorded from only Alaska, Washington, Idaho and Montana in the United States, and British Columbia and Alberta in Canada. Published records indicate that this species has only been collected in the extreme southwest corner of Alberta.

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