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37.069 Coleophora caespititiella Zeller, 1939
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the case has gussets


Food Plant: Juncus spp. (Rush), Juncus conglomeratus, J.gerardii, J.effusus, J.articulatus, J.inflexus

Egg: On the florets

Mine: August - May

Notes: The larva initially feeds inside a seed capsule. The case is made by the final instar larva and is decorated with frass and vegetable material. It also has characteristic 'gussets' - which allow for expansion (as shown). Most larvae are fully fed late September/early October and then overwinter. The case shown was found inside an old Field Woundwort stem.

Data: 03.iv.2009, Rixton, Warrington, Cheshire, VC59

Image:© Ben Smart

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