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Species Page - Agrilus pensus
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scientific name    Agrilus pensus    

common name     Alder-birch Borer

habitat
Alder groves.

seasonality
June, July and August.

identification
This is another species very similar to A. anxius. In adults, dorsally, the colour tends to be a dark coppery red, sometimes with purple reflections. These beetles maybe separated in part by host association, alder.

life history
Eggs are laid on live branches of birch or alder, hatching in about 2 weeks. Larval boring is irregular in habit, rapidly killing the branch. Mature larvae overwinter in pupal chambers, pupating the following spring, and emerging as adults in late May or June (Carlson and Knight, 1969).

conservation
Rare.

diet info
The species has been reared from alder (Alnus rugosa) and black birch (Betula nigra) in eastern North America (Carlson and Knight, 1969). In Alberta the specimen was associated with alder.

range
The species is found from Alberta east to Nova Scotia and south in the eastern United States to Pennsylvania (Bright, 1987).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=3230



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References (2)
Specimen Info
There are 1 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (1)

 

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