SeasonalityAdults have been collected in Alberta in late July and early August.IdentificationA 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.
Scientific NameCopablepharon grandisHabitat
Sand dunes and sandy prairie.
Seasonality
Adults have been collected in Alberta in late July and early August.
Identification
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.…
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…
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.
Conservation
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).
Range
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…
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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Citation
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Page Citation for Copablepharon grandis
Page Citation
"Species Details - Copablepharon grandis, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-5312. Accessed 06 Feb. 2023.