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Species Page - Dicerca tenebrica
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scientific name    Dicerca tenebrica    

habitat
Boreal, Montaine and hardwood forests.

seasonality
July.

identification
This is perhaps the most frequently encountered species of Dicerca encountered in the aspen forests. Beetles are black, sometimes with a bluish tint. Elytral striae are complete to the apex, but sometimes weakly impressed. The mesotibia of the male has a distinct tooth. A similar species, D. hesperoborealis, may be separated, by examining the median carina (ridge) on the plate just before the hind coxa. The ridge lacks or has a very weak groove on one end. On beetles of D. hesperoborealis there is a distinct groove.

life history
These beetles breed in poplar trees, but may commonly be encountered, sitting on trunks of other tree species within the aspen/poplar stand. In Alberta the beetles have been found resting on lodgepole pine, jack pine and white spruce trees. The beetles are readily attracted to fire killed aspen.

conservation
Common.

diet info
This species has been reared from balsam poplar and aspen in Alberta and is known from many other species of Populus elsewhere in North America (Bright 1987).

range
This species is widespread through North America (Bright 1987, Nelson 1975).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2989



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References (2)
Specimen Info
There are 112 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (112)

 

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