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Species Page - Pero occidentalis
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scientific name    Pero occidentalis    

common name     Western Pero

habitat
Open montane woodlands.

seasonality
Adults fly in Alberta throughout June.

identification
Very similar to P. honestaria and behrensaria, but according to McGuffin (1987) this is the only Canadian Pero with slightly dentate or pectinate rather than simple male antennae.

life history
Caterpillars are light grey and brown with several short tubercles, and mimic twigs in posture and colouration. The pupa overwinters. The eggs are laid in a neat row along the host foliage, as in other Pero species (McGuffin 1987).

conservation
Not of concern.

diet info
Miller & Hamond (2000) state that larvae feed primarily on pines and other conifers, But this species was not recorded from conifers by Prentice (1963), and McGuffin (9187) lists only lodgepole pine (Pinus contorta) along with deciduous shrubs (Menziesia glabella, Sheperdia canadensis, and Ceanothus).

range
Southern BC and the AB mountains (south of the Athabasca River) south to CA (McGuffin 1987).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4472



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Related Species Info
Authorship
Display Hierarchy
References (3)
Specimen Info
There are 27 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (27)
Related Links
Moth Photographers Group

 

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