|scientific name Dyschirius sphaericollis |
Occurs on barren banks and shores of running and standing fresh water.
This species has been collected from May to July.
Member of the politus group, with reduced number of dorsal punctures, 1-2, on the 3rd elytral interval, and the two teeth on the lateral margin of the protibiae rudimentary. Black, usually with rather strong metallic lustre; antennae piceous or yellowish brown with at least 1st segment and base of 2nd to 3rd following pale reddish (often several basal segment entirely pale); legs reddish, tibiae palest, femora darkened. Anterior margin of clypeus usually clearly bisinuate. Elytron with 1 subhumeral fovea and 2 preapical punctures. Length 4.2-5.2 mm
No information available.
Both larvae and adults are predatory.
This species is found throughout United States and Canada. In Alberta this species is found in the southern one third.
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