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Species Page - Trechus oregonensis
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scientific name    Trechus oregonensis    

In moderately dense, usually mixed forests, with pronounced, slightly moist humus layer.

Member of the chalybeus group, with large head and short elytra, each eltron with at least 4 complete, punctate striae, elytra more or less iridescent. Microsculpture on disc of prothorax more open than in chalybeus, therefore disc lacks iridescence. Prothorax more cordate than in any other species in the group, hind angles more or less denticulate. Outer elytral striae better developed, 5th complete, or nearly so. Length 3.7-4.3 mm.

life history
No information available.


diet info
Both larvae and adults are predatory.

This species is found in northwestern United States and western Canada. In Alberta, this species was recorded by Lindroth only from the south west corner. The Strickland Museum currently does not have any specimens from Alberta.

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References (2)
Specimen Info
There are 3 specimens of this species in the online database
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Specimen List (3)


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