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Species Page - Patrobus fossifrons
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scientific name    Patrobus fossifrons    

Similar to lecontei and near water, often on sterile mud, soil or gravel.

Adults of this species have been collected in June and July.

Black or dark piceous, all appendages more or less paler, piceous to brown, but femora almost constantly darkened and legs never bright rufous. Prothorax more cordate than in lecontei, with sides more sinuate before hind angles; lateral reflection narrower but with pronounced raised bead. Anterior transverse impression entirely impunctate, not completely diappeared at middle, laterally barely suggest, as in lecontei. Elytral microsculpture isodiametric, or nearly so. Length 8.3-11.5 mm.

life history
Probably overwinters in the larval stage.

Relatively common.

diet info
Both larvae and adults are predatory.

This species is found in western United States and western Canada. In Alberta this species is known only from the extreme south.

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References (2)
Specimen Info
There are 344 specimens of this species in the online database
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Specimen List (344)


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