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Species Page - Ctenicera aeripennis
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scientific name    Ctenicera aeripennis    

common name     Prairie Grain Wireworm (in part)

Grassy areas throughout the province.

Adults have been collected from 17 April to 15 August.

Small to medium (8-16 mm in length) sized black or black and iridescent green-blue click beetle with few setae. The elytra are black or iridescent and the pronotum is black. The tarsal segments lack ventral lobes, tarsal claws lack setae, frontoclypeal carina is incomplete (appearing as carinae above the antennal socket), and the pronotum and elytra lack conspicuous setae. Smaller, non-iridescent specimens from the prairies have been named subspecies destructor (Brown); this is the Prairie Grain Wireworm, an agricultural pest. Some authors treat this subspecies as a species distinct from typical C. aeripennis. In some parts of Alberta, specimens intermediate between C. aeripennis and C. destructor occur, therefore more study of the status of C. destructor is required.

life history
Larvae live in soil and are an important agricultural pest.


Alaska south to Saskatchewan, New Mexico and California.

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References (2)
Specimen Info
There are 121 specimens of this species in the online database
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Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (121)


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