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Photo#72949
Big black ground beetle - Calosoma peregrinator

Big black ground beetle - Calosoma peregrinator
Organ Mountains foothills, Dona Ana County, New Mexico, USA
August 6, 2006
Size: 29.5 mm
This big, stinky ground beetle apparently flew toward my UV lights, set up on the greasewood/mesquite/cactus incline below the jagged spires of the Organ Range. I say apparently because the wings were not fully tucked away yet. I found it on a headlamp stroll about three yards from my lights.

Specimen was given to and IDed from collection at New Mexico State University in Las Cruces.

I found a surprising number of carabids in this desert area, including one other large species. Authors have written that dark*ling beetles largely take precedence over ground beetles in the West because they are more dehydration resistant. My guess is the carabids are most active during the short rainy season.

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Big black ground beetle - Calosoma peregrinator Big black ground beetle - Calosoma peregrinator Big black ground beetle - Calosoma peregrinator Big black ground beetle - Calosoma peregrinator Big black ground beetle - Calosoma peregrinator