|scientific name Blethisa julii |
On the borders of ponds and pools, usually where the soft, wet mud is bare in spots.
The single Alberta specimens was collected in May.
Denticulate hind angles of prothorax approximately right and metacoxae each medially with a tuft of long yellow setae. Black, upper surface alsmost constantly with pronounced though varying metallic lustre: bluish, greenish, coppery or golden. Length 10.7 to 13.0 mm.
Overwinters in the adult stage.
Both larvae and adults are predatory.
This species is found in a few of the northeastern states of United States, and in most of Canada. In Alberta, the single record is from the southwest.
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