SeasonalityIn Alberta it flies in late June and July.IdentificationA. 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.
Scientific NameAbagrotis duancaHabitat
Dry sagebrush grasslands.
Seasonality
In Alberta it flies in late June and July.
Identification
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…
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.
Life History
Poorly known. There is a single annual brood. Adults come to light
Conservation
An uncommon and local species in Alberta.
Diet Info
The larnval host is reported to be sagebrush (Artemesia tridentata) (Lafontaine, 1998); other species of sagebrush are undoubtedly also used.
Range
Another western species. In Alberta it has been collected only in the extreme southeastern corner.
Citation
Page Citation for Abagrotis duanca
Page Citation
"Abagrotis duanca, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-5233. Accessed 19 May. 2022.