Identification
Elytra with three rows of foveate setigerous punctures separated by slightly elevated elongate tubercles; upper surface of elytra and pronotum with a faint or marked metalic brassy, copperish, purple or blue reflection. Body and appendages dark brown or black, head without metallic reflection.
[description by Matthew Denton, Evergreen State College, Washington]
Range
every Canadian province except Manitoba; south on the west coast to California, and inland to Nevada and Montana; in the east, may be spreading into northeastern US
Habitat
cultivated land, parks, gardens, adjacent woodlands
Season
adults appear early (February/March)
Remarks
Introduced from Europe to both coasts of North America and continues to expand its range inland.
Internet References
live adult image (Ground Beetles of Ireland)
live adult image (Josef Hlasek, Czech Republic)
adult image and other info (Matthew Denton, Evergreen State College, Washington)
live adult image of mating pair (Sabine Jelinek, Germany)
live adult image (Hannu Tanner, Finland)