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21.004 Leucoptera laburnella (Stainton, 1851)
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the silken cocoon


Food Plant: Laburnum, Genista tinctoria (Dyer's Greenweed), occasionally Lupinus (Lupin)

Egg: Underside of leaf.

Mine: June, July; September.

Pupa: In a silken cocoon on food plant or nearby vegetation.

Notes: An irregular gallery filled with greenish frass, leading to a circular or oval blotch with blackish frass arranged in a spiral fashion. The silken cocoon is pun under a leaf (as shown)

Data: 12.vi.2005, Chorlton, Manchester, Lancs, VC59

Image:© Ben Smart

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