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16.002 Yponomeuta padella (Linnaeus, 1758)
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larvae feed gregariously under a web


Food Plant: Crataegus spp. (Hawthorn), Prunus spinosa (Blackthorn), Prunus spp. (Plum or Cherry)

Egg: laid on the spines (usually) or the stem

Mine: March-April

Notes: The eggs may hatch in about three weeks or overwinter. In Spring they mine the leaves or feed in buds. They then feed gregariously in a web (as shown on Crataegus monogyna), which extends as they consume the food source and, in severe infestations, the whole tree may be affected.

Data: !7.iv.2012 from specimens collected 29.iii.2012, west of Ayrmer Cove, South Devon, VC3

Image:© Bob Heckford

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