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37.062 Coleophora tricolor Walsingham, 1899
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the grass veins are clearly visible


Food Plant: Acinos arvensis (Basil Thyme), Bromopis erecta (Upright Brome), Dactylis glomerata (Cock's-foot), Holcus lanatus (Yorkshire-fog), Koeleria macrantha (Crested Hair-grass), Phleum bertolonii (Smaller cat's-tail), Poa pratensis (Smooth Meadow-grass)

Egg: laid on a floret

Mine: August-May

Notes: Initially feeds on seeds from a floret and then uses the seedhead as a case. In October it starts to mine grass and constructs a case from a grass blade. The final case is ochreous and around 9mm long, with the longitudinal veins from the grass blade clearly visible (as shown). A rare species found in the Brecklands of East Anglia. Specimens det G M Haggett.

Data: Norfolk

Image:© Roy Leverton

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