|scientific name Copablepharon longipenne |
Adults have been collected in Alberta in late July and August.
A medium-size (3.5 - 3.9 cm wingspan) long-winged greenish grey-brown or olive-tan moth. Markings consist of a series of dark points on each vein marking the postmedian and antemedian lines. There is often paler longitudinal shading along the costa, through the reniform and below the cubital vein. The hindwing is grey with a pale fringe. Females are larger than males. Alberta specimens belong to the nominate subspecies.
Larvae live buried about 2.5 cm deep in the soil adjacent to the host plant. The apparently feed below the soil. The larvae pupate in the soil, emerging about two and a half weeks later. There is a single annual brood. Adults are nocturnal and are attracted to light.
A rare and local dune species, known from less than five sites in Alberta.
Larvae in the Pakowki Lake dunes in southern Alberta were feeding on shoots and young stems of wild rose (Rosa sp.) (Seamans, 1925).
From southwestern Manitoba to southern Alberta, south to west Texas. In Alberta found west to Lethbridge and north to the Lloydminster region.
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