Eriocraniella aurosparsella

Eriocraniella aurosparsella is a moth of the family Eriocraniidae. It was described by Walsingham in 1880. It is found from southern Oregon south through the coastal ranges of California to Santa Clara County and Santa Cruz Island.[1]

Eriocraniella aurosparsella
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Eriocraniidae
Genus:
Eriocraniella
Species:
E. aurosparsella
Binomial name
Eriocraniella aurosparsella
(Walsingham, 1880)
Synonyms
  • Micropteryx aurosparsella Walsingham, 1880
  • Eriocephala aurosparsella
  • Mnemonica aurosparsella

The wingspan is 8–9 mm for males and 7.5-8.5 mm for females. The forewings are immaculate, brownish fuscous, usually with a distinct bronzy to light purplish iridescence. The hindwings are similar to the forewings though less lustrous. They are uniformly covered with relatively broad scales. Adults are on wing from late February to late May in one generation per year.

The larvae feed on Quercus kellogii. They mine the leaves of their host plant. The mine is elongate and linear at first. It follows the leaf margin for a short distance and then abruptly enlarges to form a large, full-depth blotch. The larvae have a dark brown body and a uniformly dark brown head.

References
  1. A Revision of the North American Moths of the Superfamily Eriocranioidea with the Proposal of a New Family, Acanthopteroctetidae (Lepidoptera)


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