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Species Page - Boloria selene
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scientific name    Boloria selene    

common name     Silver-bordered Fritillary

Moist meadows, fens and bogs.

One or possibly two broods, flying from early June to late July, occasional in late Aug.

One of two Boloria with a silver-spotted underside. The Bog Fritillary (B. eunomia) is somewhat similar, but the submarginal row of hindwing underside spots is black in selene and cream in eunomia. Alberta populations have been asigned to subspecies atrocostalis (Bird et al. 1995, Layberry et al. 1998).

life history
The pale green eggs turn light brown after being laid on or near the host plant (Scott 1986), hatching in about nine days (Bird et al. 1995). Mature larvae are grey-black with black dots, orange-brown spines and a brown lateral stripe (Scott 1986). The spines directly behind the head are much longer than the remainder of the spines. The pupa is brown with pale-brown wing cases (Scott 1986). Overwinters in the larval stage. The appearance of freshly emerged specimens in late August in southern and central parts of the province strongly suggest a second brood here (contra Bird et al. 1995). Selene is also double-brooded in southern BC and southern Saskatchewan (Guppy & Shepard 2001, Hooper 1973).

Not of concern.

diet info
Larvae feed on violets (Viola spp.) in BC (Guppy & Shepard 2001), and presumably also in Alberta. Adults nectar at flowers and also mud-puddle (Hooper 1973).

A holarctic species, occuring in Eurasia and throughout the temperate and subarctic region of North America, from Alaska to New England and Colorado (Scott 1986).

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References (6)
Specimen Info
There are 5 specimens of this species in the online database
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Specimen List (5)


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