General Description
provided by University of Alberta Museums
Member of the chalceum group (subgenus Pseudoperyphus). An extremely variable species. Black with aeneous, brassy or greenish lustre, base of antennae (at least 1st segment underneath) red, legs more or less piceous with inner part of femora paler. Prothorax narrow and convex, cordiform, with reflexed sides very narrow, hind angles slightly obtuse or almost right. Elytra with deep, somplete, strongly punctate striae and more or less convex intervals. Length 4.7 to 7.3 mm.
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Habitat
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On barren shores and banks with gravel or coarse sand, usually along large rivers.
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Life Cycle
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Overwinters in the adult stage.
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Trophic Strategy
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Both larvae and adults are predatory.
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Bembidion chalceum: Brief Summary
provided by wikipedia EN
Bembidion chalceum is a species of ground beetle in the family Carabidae. It is found in North America.
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