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16.015 Swammerdamia caesiella (Hübner,1796)
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the larva spins a web


Food Plant: Betula pendula (Birch)

Egg: Laid on a leaf

Mine: June-July, September-October

Notes: The larva then feeds mostly on the upper surface of the leaf, under a slight web. The young larva is green but it changes colour as it matures. The final instar larva is darker green dorsally with yellow-green blocks on its side and subdorsally (as shown).

Data: 03.x.2014, Mol, (Antwerpen), Belgium

Image:© Carina van Steenwinkel

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