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Species - Dytiscus alaskanus

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum

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Dytiscus alaskanus

University of Alberta E.H. Strickland Entomological Museum

Common NameBoreal water beetle SeasonalityAdult population peak in late spring, declining into fall (Aiken and Wilkinson 1985). IdentificationSmall to medium size (22.6 to 32.0 mm), elongate body (Larson et al. 2000). Brown-black to black - many with green appearance. Basal segments of antennae yellow, terminal segments darker. All pronotal margins bordered with yellow. Lateral border of elytra yellow, not reaching apex. Females with yellow striae and dark ridges. Yellow ventral surface, except brown-black metasternum, reddish metacoxa, margins of abdominal sterna narrowly black and thoracic sclerites with narrowly black margins. Dark basolateral marking on second and third sterna. Yellow or reddish legs.
Royal Alberta Museum page
<i>Dytiscus alaskanus</i>

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum