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Species Page - Speyeria atlantis
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scientific name    Speyeria atlantis    

common name     Atlanits Fritillary

habitat
Essentially a boreal forest species in AB, usually near moist spruce woods.

seasonality
The single yearly flight peaks in mid to late July.

identification
Very similar to S. hesperis, with which it was considered to be conspecific until recently (Scott et al. 1998). Atlantis is larger on average, with a broader, more squared-off forewing and heavier upperside markings. The hindwing underside has a chocolate-brown disc, compared to reddish-brown or rusty-brown in hesperis.

life history
The black larvae have grey or brown stripes and orange spines (Layberry et al. 1998). Unlike most other Alberta Speyeria, atlantis is a species of moist, mixed forest habitats.

conservation
Not of concern.

diet info
The larval hosts of Atlantis are unconfirmed, but are believed to be violets (Layberry et al. 1998). Adults nectar at thistle and fireweed (Hooper 1973).

range
Newfoundland west to BC (Layberry et al. 1998)

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2833



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Related Species Info
Authorship
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References (3)
Specimen Info
There are 10 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (10)

 

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