Dip:Agromyzidae
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Chromatomyia ramosa (Hendel, 1923)
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small side galleries from the midrib

Food Plant: Dipsascus fullonum (Wild Teasel), Knautia arvensis (Field Scabious), Succisa pratensis (Devil's-bit Scabious)

Mine: March-April; June-October

Notes: The larva feeds along the midrib, making short corridors into the leaf (as shown, in Dipascus). The side branches are longer in Knautia and Succisa. The pupa, which is white, is formed in the midrib. There are at least two generations a year. A widely distributed miner in Great Britain.

Data: 20.vii.2010, Downham Market, Norfolk, VC28

Image:© Rob Edmunds

References:
Hering, M (1957) - Bestimmungstabellen der Blattminen von Europa.
Robbins, J (1990) - A Provisional Atlas of The Leaf Miners of Warwickshire.
Spencer, K A (1976) - The Agromyzidae of Fennoscandia and Denmark.
Spencer, K.A (1972) - "Diptera: Agromyzidae" Handbooks for the Identification of British Insects, Royal Entomological Society of London.

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

www.leafmines.co.uk