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37.009 Coleophora milvipennis Zeller, 1839
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the dorsal keel is formed from the leaf margin

Food Plant: Betula (Birch)

Mine: August to September, with some larvae developing more slowly, and feeding again in April and May.

Notes: Larva mining leaves, the blotches brownish. The final case is 8-11mm long, slender, and fixed at 45° to leaf surface, with anal end laterally compressed. The case has a serrated keel (as shown) due to formation from the edge of a leaf.

National Status: Local

bradley No: 496

Data: 08.x.2005, Bartley Heath, Hants, VC12

Image:© Rob Edmunds

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists