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Species Page - Boloria astarte
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scientific name    Boloria astarte    

common name     Astarte Fritillary

habitat
Dry alpine tundra, scree slopes and rocky ridges.

seasonality
One yearly flight, peaking in July.

identification
This is a large Boloria; the upperside is bright orange with a well-defined, crisp, black pattern. The silvery white hindwing underside median band, and overall brighter colour, will disintguish it from B. alberta. The Astarte Fritillary was described from specimens collected at Rock Lake near Jasper. It has been treated as a subspecies of the European B. tritonia by some authors (eg. Guppy & Shepard 2001) due to the apparent absence of disinguishing morphological traits between the two; more evidence is however needed to support this interpretation.

life history
The immature stages are undescribed. The life cycle takes two years to complete, the larva overwintering in the early instars and again when mature (Guppy & Shepard 2001). As a result this species flies only in odd- or even-numbered years at some localities. In Alberta, it flies every year at Plateau Mountain, but has only been recorded in odd-numbered years in the Cardinal Divide area. Males hilltop, and fly rapidly along alpine ridges and peaks.

conservation
Not of concern since the habitat is secure.

diet info
Larvae feed on Spotted Saxifrage (Saxifraga bronchialis) in the Canadian Rockies (Guppy & Shepard 2001). Adults nectar at mountain avens (Dryas spp.) (Bird et al. 1995).

range
The nominate subspecies is found from northeastern BC to northern Washington and northwestern Montana; B. astarte distincta, possibly a species separate from astarte (Layberry et al. 1998), occurs from northwestern BC to Alaska (Scott 1986).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2794



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References (4)
Specimen Info
There are 53 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (53)

 

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