Eriocrania semipurpurella

Eriocrania semipurpurella is a moth of the family Eriocraniidae. It is found from Europe to Japan and in North America. The species closely resembles Eriocrania sangii.

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Eriocrania semipurpurella
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Eriocraniidae
Genus: Eriocrania
Species:
E. semipurpurella
Binomial name
Eriocrania semipurpurella
(Stephens, 1835)
Synonyms
  • Lampronia semipurpurella Stephens, 1835
  • Micropteryx amentella Zeller, 1850
  • Micropteryx inconspicuella Wood, 1890

The wingspan is 10–16 mm. Edward Meyrick gives this description - Forewings elongate, bronzypurple, more or less sprinkled with pale shining golden ; an indistinct usually small transverse pale golden dorsal spot before tornus, sometimes almost obsolete ; cilia bronzy-grey, on dorsal spot ochreous-whitish ; 9 absent. Hindwings with hairscales except towards margins posteriorly, bronzy-grey, posteriorly purplish-tinged.Larva whitish ; head pale ochreous-brown, mouth darker in blotch in leaves of birch The moth flies from March to April depending on the location.[1]

The larvae feed on birch.

Subspecies
  • Eriocrania semipurpurella semipurpurella (North America (from eastern Ontario east to Nova Scotia and south to southern New York), from Great Britain through northern and central Europe to Japan)
  • Eriocrania semipurpurella pacifica Clarke, 1978 (southern Alaska and north-western Washington)
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References
  1. Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description


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