|scientific name Elaphrus olivaceus |
Confined to the borders of small eutrophic waters, with bare spots between rich vegetation.
This species has only been collected in June.
Black, upper surface greenish, often with bluish or purplish reflection, legs entirely rufous. Punctation of entire upper surface denser, finer and more regular than in clairvillei, mirrors little pronounced. Head with deep central fovea between the eyes. Male with four dilated protarsal segments.
Overwinters in the adult stage.
Both larvae and adults are predatory.
This species is found in the northern United States, and most of Canada. In Alberta this species if found in the central third.
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