Clostera albosigma, the sigmoid prominent, is a moth of the family Notodontidae. The species was first described by Asa Fitch in 1856. It is found in North America from Newfoundland west to Vancouver Island, north to the Great Slave Lake and the Northwest Territories and south to at least Missouri.

Sigmoid prominent
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Notodontidae
Genus: Clostera
Species:
C. albosigma
Binomial name
Clostera albosigma
Fitch, 1856

The wingspan is 28–38 mm. The moth flies from May to August depending on the location.

The larvae feed on poplar and willow.

edit
  • Robinson, E. & Anweiler, G. G. (January 4, 2005). "Species Details Clostera albosigma". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 11, 2020.