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Pegomya betae (Curtis, 1847)
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large blotch mines upper side
scattred frass

Food Plant: Atriplex sp. (Orache), Beta vulgaris (Beet)

Mine: May-October (in 2 or 3 generations)

Notes: A large deep upper surface blotch is formed, which is usually mined by several larvae. The larvae may leave one leaf to mine another. Pupation is outside the mine. Adults were reared to identify. Mine shown on Atriplex patula (Common Orache) - top and bottom view of the leaf.

Data: 16.vii.2019, Downham Market, Norfolk, VC28

Image:© Rob Edmunds

Hering, EM (1957) - Bestimmungstabellen der Blattminen von Europa.
Hering, EM (1951) - Biology of the Leaf Miners
Robbins, J (1990) - A Provisional Atlas of The Leaf Miners of Warwickshire.

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