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Species Page - Copablepharon grandis
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scientific name    Copablepharon grandis    

Sand dunes and sandy prairie.

Adults have been collected in Alberta in late July and early August.

A medium-size (3.8-4.1 cm wingspan) moth with pale yellow forewings and immaculate white hindwings. Occasional specimens may have fine dark dots at the veins indicating the antemedian and postmedian lines. Copablepharon viridisparsum is white (not yellow) with a faint green cast, dark scaling in the central hindwing area and a faint dark discal spot. C. longipenne is a dull grey-brown or tan moth with light grey hindwings.

life history
Poorly known. The larvae overwinter buried in the soil when partly grown. They complete their development in the spring, then pupate in an earthen cell in the soil. There is a single annual brood. Adults are nocturnal and are attracted to light.

A rare and very local species in Alberta.

diet info
No data. In the lab a larvae was reared on alfalfa and barley (Strickland, 1920).

Southern Alberta east to southwestern Manitoba, the eastern parts of the Dakotas and eastern Iowa; west to California and south to southern Arizona, New Mexico and western Texas. In Alberta there are historical records from Lethbridge, Monarch, High River and Calgary. The only recent records are for a colony discovered by Chris Schmidt in 2004 in dunes north of Chauvin (east of Wainwright).

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References (2)
Specimen Info
There are 27 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (27)
Related Links
Moth Photographers Group


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