|scientific name Abagrotis duanca |
Dry sagebrush grasslands.
In Alberta it flies in late June and July.
A. duanca is a medium-size dark blackish or red-brown Abagrotis superficially resembling a number of other Abagrotis sp., including placida, hermina, dodi and reedi. The contrasting pale-tipped scales of the prothoracic collar are diagnostic. The reniform and round orbicular are usually ringed with pale scales, which also mark the subterminal line. The hindwings are dull black.
Poorly known. There is a single annual brood. Adults come to light
An uncommon and local species in Alberta.
The larnval host is reported to be sagebrush (Artemesia tridentata) (Lafontaine, 1998); other species of sagebrush are undoubtedly also used.
Another western species. In Alberta it has been collected only in the extreme southeastern corner.
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