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Species Page - Oligocentria pallida
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scientific name    Oligocentria pallida    

common name     Pale Prominent

habitat
Dry deciduous and mixedwood woodland.

seasonality
The only Alberta specimen was collected in early August.

identification
A medium-large (4.6-4.8 cm wingspan), pale rusty brown and tan moth, with few markings. Markings on the forewings consist of a thin dark vertical line at the end of the cell and some dark rust or maroon along the wing base and the anal angle. The outer two-thirds of the costa is grey, with a pair of short, parallel horizontal streaks near the apex. The hindwings are pale yellow or tan (male) or grey (female) with a dark patch marking the anal angle. Sexes similar, but females larger and darker. Other species of Alberta Oligocentria lack the prominent rusty-red coloring of pallida.

life history
Poorly known. Larvae are solitary defoliators, and there is a single annual brood. Adults come to light.

conservation
Barely reaches extreme southwest Alberta; known in AB from a single collection.

diet info
No Alberta data; elsewhere reported to feed on willow (Salix), apple (Malus), maple (Acer) and poplar (Populus) (Miller and Hammond, 2000.); also rose (Rosa) and saskatoon (Amelanchier) (Jones, 1951).

range
The mountains of extreme southwestern Alberta, west to Vancouver Island; southward.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4916



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References (2)
Specimen Info
There are 16 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (16)
Related Links
Moth Photographers Group

 

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