Food Plant: Achillea millefolium (Yarrow)

Egg: Upper side of leaf

Mine: Sept-May;June-August

Notes: Initially mines the leaf then feeds externally on the upper surface of the leaf (as shown). The leaves then whiten and shrivel, which can be taken as indicators of the presence of the larvae.

Data: 17.iv.2005, Thetford, Suffolk, VC26

Image:© Tony Prichard

National Status: Nationally Scarce Bl

Bradley No: 265

Recording category: L