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Species Page - Dichagyris grotei
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scientific name    Dichagyris grotei    

habitat
In Alberta found in dry open woodland and montane grassland. In eastern North America it is associated with relict prairie grasslands.

identification
A medium-size (approx. 3-3.2 cm yellow-brown moth. The thin antemedian and postmedian lines are dark brown, doubled and more prominent toward the costa. The apical half of the forewing beyond the postmedian line is contrasting dark blackish brown. The hindwings vary from light brown to almost white, shading darker toward the margin. The antennae are simple and the sexes are similar. The forewing pattern is unique among Alberta noctuid moths. Adults and genitalia of both sexes are illustrated in Lafontaine (2004).

life history
Poorly known. Dichagyris grotei is single brooded and the adults come to light. The only reported larval host plant is apparently false boneset (Kuhnia eupatorioides L., Asteraceae). Lafontaine (op. cit.) provides a description of the larvae. The Alberta specimen was collected in mid August.

range
Pennsylvania south to northern Florida and northern Mexico, west to Arizona and eastern Oregon, north to extreme southwestern Alberta. A single fresh specimen (illustrated above) collected in Waterton National Park in 2006 is the only Canadian record.

notes
Dichagyris grotei is one of two species of Dichagyris found in Alberta, and is one of a growing suite of moths known to occur in Canada only in Waterton Lakes National Park. We were able to add this moth to the Canadian list thanks to the willingness of the Waterton National Parks staff to co-operate with the Biological Survey of Canada's 2005 insect “Bio-blitz” and subsequent ALG moth surveys. Previously known to occur north only to northern Wyoming and South Dakota.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=6060



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References (1)
Specimen Info
There are 8 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (8)
Related Links
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