Brachylomia curvifascia explained

Brachylomia curvifascia is a moth of the family Noctuidae first described by Smith in 1891. It is found in western North America from British Columbia south to California.^[1]

Adults are on wing from August to September in California.

References

1. Troubridge, J. T. & Lafontaine, J. D. (2007). "A revision of the North American species of Brachylomia (Lepidoptera: Noctuidae: Xyleninae) with descriptions of four new species". The Canadian Entomologist. 139 (2), 209-227.