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Biology

Macrohabitat: Lowlands to midlands, sea level- 945 meters altitude. Microhabitat: On shaded ground in deciduous forests (e.g., Quercus, Acer), thier edges, adjacent gardens and cultivated fields (e.g. pea, cotton), orchards (e.g. plum, peach) and on trees in cities. Dispersal abilities: Macropterous, capable of flight. Frequent climber on trees and plants. Seasonal occurrence: Adults have been found in January- December; copulating pairs in June; gravid females in June. Behavior: Nocturnal and diurnal, active in the sunshine on trees, or adults take cover during the day under stones or downed trees. Adults found overwintering in cavities in the ground (2.5-15 cm deep). Adults are able to hibernate through 2 winters and their life span is at least 2-3 years. Adults are predaceous on caterpillars and grasshoppers. Adults plan an important economic role in the control of caterpillar (e.g. cankerworms) outbreaks. Adults occasionally found at lights at night. They are frequent fliers (sometimes swarming by the hundreds to artificial lights at night). Frequent in drift material. Larvae are ground-dwelling. (Ciegler, 2000; Erwin, 2001; Gidaspow, 1959; Larochelle & Lariviere, 2003; Data from NMNH collection)

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© Erwin, Terry

Source: Western Hemisphere Caraboidea

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