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Species Page - Boloria eunomia
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scientific name    Boloria eunomia    

common name     Bog Fritillary

habitat
Bogs, fens, and moist alpine and subalpine meadows.

seasonality
The single yearly flight peaks between early June and late August, depending on elevation.

identification
Best distinguished from look-alikes by characters of the hindwing underside: the only other Boloria with a dark-brick and silver-yellow underside is selene, but eunomia has a row of silvery submarginal spots, which are black in selene. Three subspecies are part of the Alberta fauna, one resembling dawsonia throughout the boreal and foothills region, nichollae from the north-central mountains (described from the vicinity of the Columbia Icefields), and an undescribed subspecies from the Canadian Shield ecoregion of the far northeast (Bird et al. 1995).

life history
In Alberta, eggs hatch in 7 to 8 days, and larvae feed on the leaf underside of the host plant (Bird et al. 1995). Colorado and Wyoming larvae are reddish-brown with red spines, with third or fourth instars hibernating (Scott 1986). Adult males patrol to seek females (Scott 1986).

conservation
Not of concern.

diet info
Larvae are reported to feed on willows (Salix spp.) in Alberta (Bird et al. 1995). Bistort (Polygonum viviparum) is also reported from western North America, in addition to heaths (Ericaceae) in western Canada (Layberry et al. 1998).

range
A Holarctic species, found throughout the north-temperate region of the northern hemisphere. In North America, eunomia occurs from Alaska to Newfoundland, and south to Colorado in isolated Rocky Mountain populations (Scott 1986).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2829



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Specimen Info
There are 67 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (67)

 

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