Lep: Lithocolletinae
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15.059 Phyllonorycter cavella (Zeller, 1846)
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P.ulmifoliella on left and P.cavella on right

 

Food Plant: Betula (Birch)

Egg: Underside of leaf

Mine: September - October

Notes: A large mine, 15-20mm long, more than six creases, in the lower epidermis. The left mine is P.ulmifoliella (on B.pendula) and the right is P.cavella (on B.pubescens)- the size differences between these mines can be seen. 

Data: 24.ix.2005, Thursley Common, Surrey, VC17, John Langmaid, Jim Porter

Image:© Ian Thirlwell

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