Clostera albosigma
| Clostera albosigma | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Notodontidae |
| Genus: | Clostera |
| Species: | C. albosigma |
| Binomial name | |
| Clostera albosigma Fitch, 1856 | |
The sigmoid prominent (Clostera albosigma) is a moth of the Notodontidae family. It is found from Newfoundland west to Vancouver Island, north to the Great Slave Lake and the Northwest Territories and south to at least Missouri.
The wingspan is 28–38 mm. The moth flies from May to August depending on the location.
The larvae feed on Poplar and Willow.