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home / Insecta · vabzdžiai / Lepidoptera · drugiai / Eriocraniidae · eriokranijos / Eriocrania sparrmannella · beržinė raštuotoji eriokranija
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Eriocrania sparrmannella · beržinė raštuotoji eriokranija
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Eriocrania sparrmannella · beržinė raštuotoji eriokranija
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Eriocrania sparrmannella · beržinė raštuotoji eriokranija
Eriocrania sparrmannella · beržinė raštuotoji eriokranija
- mottled purple
- Sparrmanns Trugfalter
- beržinė raštuotoji eriokranija
- plątaczek brzozowiec
- praktpurpurmal
https://en.wikipedia.org/wiki/Eriocrania_sparrmannella This moth is found in most of Europe and in Japan. The adult moths fly from late April into May, have a metallic golden ground colour, intensely speckled with purple and blue. There is also a golden tornal spot.
Eggs are laid on the leaves of birch. Larva (VI-VIII) mines a leaf of the Betula. Larvae are whitish with a brown head. They feed inside a leaf, starting as a linear mine near the midrib, which widens to a blotch. The frass is in long threads. They hibernate in the soil. The larvae pupate in a tough cocoon in the soil in the spring.