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Agromyza pseudoreptans Nowakowski, 1967
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the mine may contain several larvae

Food Plant: Urtica dioica (Common nettle)

Mine: July; October

Notes: Forms a long blotch mine, which is usually adjacent to the edge of the leaf, which turns black. Several larvae are shown in the mine. A common species in the UK. This species has been confused with A.reptans and the two species overlap in their distribtion in the UK. The larvae may be distinguished as the anterior arm of the cephalic skeleton is uniformly black in pseudoreptans, while in reptans the basal half is less strongly sclerotised and therefore reddish, but thisa is very difficult to see unless you have high quality optics and the skeleton is in the correct orientation. The larvae must be bred through to identify or the spinulations on the larvae examined - those of pseudoreptans are much more pronounced.

Data: 25.v.2011, Prior's Park, Tewkesbury, Glos., VC 33

Image:© Robert Homan

Recording Grade: 4

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

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