Adults have elongate, narrow forewings. Many California individuals are uniform gray with a dark longitudinal line. Individuals found north of California have more prominent markings and may be mottled with black spots and lines. Males lack a forewing costal fold.
Related or similar species
Acleris senescens is unlikely to be confused with other species treated here.
Adults are present in early spring and late fall in California, suggesting two generations per year.
Unknown. Possible hosts are alder (Alnus sp.), Ceanothus sp., and willow (Salix sp.).
Area of origin
Along the Pacific Coast from British Columbia south to California
Current valid name
Acleris senescens (Zeller)
- [Tortrix moth]
- Teras senescens
Powell, J. A. 1964. Biological and taxonomic studies on tortricine moths, with reference to the species in California. University of California Publications in Entomology. Vol. 32. 317 pp.