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Species Page - Euxoa infausta
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scientific name    Euxoa infausta    

common name     Variable Dart; Dingy Dart

habitat
In Alberta it has been collected in the mountains and foothills, as well as in the arid shortgrass prairie region.

identification
A medium-size, dark dull brown Euxoa. Infausta belongs to a group of 8 species in the infausta group; the good news is that only one other member of the group (E. satiens) is known from AB. The aridland form found in southern AB can be recognized by the even buff-brown or pale grey-brown FW. In forested habitats including the foothills, it is a darker brown with a mottled FW. The HW is almost as dark. See Lafontaine (197) for a key to the infausta group.

range
Euxoa infausta is found from southern SK to Vancouver Island, and from the Northwest Territories south to northern UT and NV and southern CA.

notes
Euxoa holoberba, a synonym of infausta, was described from Calgary specimens. Specimens of infausta from the Brown Creek Rec. Area in the foothills just northwest of Nordegg are smaller and darker than seen from anywhere else according to Don Lafontaine. Euxoa infausta is a species found both on the arid grasslands of southern AB as well as in coniferous forests in the foothills.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=6349



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References (1)
Specimen Info
There are 51 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (51)
Related Links
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