Comprehensive Description

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Biology

Macrohabitat: Lowlands to midlands, 16 – 533 meters altitude, in open forests
such as the pine barren, on grasslands, cultivated fields (e.g., corn), and on slopes. Microhabitat:
Adults are ground-dwelling on exposed, dry sandy substrate with sparse vegetation. Dispersal
abilities: Brachypterous, hence flightless therefore vagility limited to walking or running;
moderate runners, strong burrowers. Seasonal occurrence: Adults have been found in January,
April – October, and December; In copula - June; teneral adults in June. Behavior: Adults
are diurnal and nocturnal, predaceous, and take cover during the day in burrows dug in the
substrate, under stones or logs, and in leaf litter, either solitary, or in pairs. Adults and larvae eat
insect larvae (mostly lepidopterous caterpillars, e.g. armyworms, cutworms). Adults overwinter
under stones. Because they are large beetles and eat a lot, they may be of economic importance.

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© Erwin, Terry

Source: Western Hemisphere Caraboidea

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