Ectoedemia weaveri

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Ectoedemia weaveri
Ectoedemia weaveri2.JPG
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nepticulidae
Genus: Ectoedemia
Species: E. weaveri
Binomial name
Ectoedemia weaveri
(Stainton, 1855)
  • Nepticula weaveri Stainton, 1855
  • Nepticula weaverella Doubleday, 1859
  • Fomoria weaveri (Stainton, 1855)

Ectoedemia weaveri is a moth of the family Nepticulidae. It is found from Fennoscandia and northern Russia to the Pyrenees and Italy, and from Great Britain through Russia (Baikal, Chita, Yakutia and Magadan regions in eastern Siberia) to Hokkaido in Japan.

Sprig of Vaccinium vitis-idaea, with a leaf showing a flat mine (1b); upperside of a leaf, with an inflated mine (1b*), and underside of the same leaf (1b**)

The wingspan is about 7 mm. Adults are on wing from April to August in western Europe.

The larvae feed on Vaccinium vitis-idaea. They mine the leaves of their host plant. The mine consists of a long corridor, with the frass concentrated in a broad central line, leaving a clear margin at either side. The gallery widens into a large full depth blotch, with a central concentration of frass. The full-grown larva makes an exit slit in the lower epidermis and spins an orange-yellow cocoon within the mine, that is connected to the exit by a silken tunnel. The cocoon causes a blister-like wound on the leaf.

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