IUCN threat status:

Not evaluated

Comprehensive Description

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Biology

Macrohabitat: Midlands to mountains, 762- 3505 meters altitude. Microhabitat: Adults of this species are stenotopic, restricted to a special habitat where it often is abundant: on the banks of large rivers and small forested creeks, often some distance from the water. Also, they occur under poplars (Populus balsamifera L.) where the ground, half shaded, consists of fine, dusty, dry sand covered with dry leaves, no herb layer present, and in pine/fir forests in similar soil conditions. Dispersal abilities: Macropterous, and recorded in flight. Seasonal occurrence: Adults have been found in March, May- September, and November. Behavior: Adults run in the sunshine on open bare spots; they have been extracted from Noble Fir (Abies procera Rehd.) duff using Berlese funnels. (Erwin, 2001; Lindroth, 1961; Data from CAS, NMNH collections)

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Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Erwin, Terry

Source: Western Hemisphere Caraboidea

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