Forewing color is variable from dark brown to white. Most individuals have a well defined median fascia and spot on the costa although some may be nearly unmarked. Hindwing color is primarily white. Males lack a forewing costal fold.
Related or similar species
Clepsis peritana is similar but smaller in size; the entire apex of the peritana male valva is membranous and peritana females have a spiral ductus bursae. Clepsis virescana is similar in size; male virescana have a forewing costal fold and female virescana have a signum in the corpus bursae.
This species completes two generations per year in California. Adults are most common in April to June and again in September and October.
Larvae hollow out terminals of the host and feed on leaves that are webbed to the larval shelter.
Published hosts include figwort (Scrophularia sp.), globe artichoke (Cynara scolymus), and hedgenettle (Stachys sp.).
Area of origin
Clepsis fucana occurs along the west coast from British Columbia south to Monterey County, California
Current valid name
Clepsis fucana (Walsingham)
- [Tortrix moth]
- Lozotaenia fucana
- Tortrix fucana
- Clepsis busckana
- Cacoecia victoriana
Freeman, T. N. 1958. The Archipinae of North America (Lepidoptera: Tortricidae). The Canadian Entomologist. 90 (suppl. 7). 89 pp.
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.