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Species Page - Drasteria perplexa
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scientific name    Drasteria perplexa    

common name     Perplexing Arches

habitat
Dry, short-grass prairie.

seasonality
Adults are on the wing from late May into June.

identification
Forewing brown-grey with a paler postmedian patch; AM bad not discernible, with the basal half of the forewing concolourous. Marginal area paler brown-grey. Hindwing orange with a black margin and postmedian band, black discal crescent reduced and generally not connected to PM band. The even, unmarked basal half of the forewing and ochre-orange hindwing distinguish the Perplexed Arches from other species in the province.

life history
Comes to light, and not known to be day-active. This species has a local occurrence in Alberta, and is known only from the southern prairie region.

conservation
Limited distribution in Canada.

diet info
Unknown.

range
Alberta south to AZ (Richards 1939). Hooper (1990) states there is a specimen from Estuary, SK in the CNC but I was unable to locate this specimen; nonetheless, perplexa should occur in SK. Known as far north as the Red Deer River badlands east of Trochu, AB.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2914



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References (1)
Specimen Info
There are 52 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (52)
Related Links
Moth Photographers Group

 

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