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Digital Guide to Moth Identification

990556.0019556Pammene fasciana (Linnaeus, 1761)
Distribution Data for Pammene fasciana
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Distribution: Europe; not found in North America north of Mexico.
and Size:
Completes 1 generation per year. Adults are present June-July.
Forewing length ranges 6.5-8.5mm
Larva and
Host Plants:
Larval hosts include representatives from the Fagaceae and include Castanea spp. (chestnut), Fagus spp. (beech), and Quercus spp. (oak).
P. fasciana larvae can be identified based on host plant, geography, and morphology. Confirmation of identity requires all of the following to be true :
Larvae found on Castanea
Origin = Europe
Presence of anal fork
Extremely large, dark pinacula
Field Marks:
Forewings are white and grey-brown with a large white patch on the lower half of the wing, in the center. Some individuals can be very pale, with more white than grey-brown, especially at the base of the wing. The ocellus is surrounded laterally by bands of leaden grey scales, with the inner band being thicker than the outer band (closest the termen). Wing fringe scales are brown. Hindwings are dark brown with pale yellow to white fringe scales that are bordered by shorter darker scales at the base of the wing fringe.
Similar Species:
  • Pammene is a primarily Palearctic genus and there are only six species present in the Nearctic, all of which are easily distinguishable from P. fasciana based on wing pattern. If wings are damaged, genitalic dissection can also be used to confirm identity.
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
  • (1) Brown, J. W. and Komai, F. 2008. Key to larvae of Castanea-feeding Olethreutinae frequently intercepted at U.S. ports-of-entry (Lepidoptera : Tortricidae). Tropical Lepidoptera Research. 18(1): 2-4. [pdf]
  • (2) Gilligan, T.M., and Epstein, M.E. 2012. Tortricids of Agricultural Importance website
Photographs are needed for this species.

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