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Species Page - Phyciodes pratensis
Phyciodes pratensis ->species page

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scientific name    Phyciodes pratensis    

common name     Field Crescent

habitat
Clearings and meadows of the mountain and foothills region.

seasonality
One yearly flight, generally peaking in July, dedpending on elevation and snowpack.

identification
Our darkest crescent, the upperside is mostly brown-black unlike the others. The median line on the dorsal forewing is always thick and black, not broken with orange. Occurs only in the foothills and mountain region. Other names that have been applied to this species include campestris (Behr) and pulchellus (= pulchella) (Boisduval); see Scott (1994) and Layberry et al. (1998) for discussion on name usage. Our populations are susbspecies owimba (Scott 1998).

life history
The pale green eggs are laid in clusters on leaf undersides. Larvae are brown with spines and black stripes, and overwinter in the fourth instar (Scott 1994).

conservation
Not of concern.

diet info
Adults nectar at a variety of composites (Asteraceae), particularly asters and ragwort (Bird et al. 1995). In BC and the US, larvae feed on the leaves of asters (Aster spp.) (Scott 1994, Guppy & Shepard 2001).

range
A western mountain species, found from Alaska south to Mexico (Scott 1986).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2804



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References (4)
Specimen Info
There are 38 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (38)

 

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