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Phytomyza tetrasticha Hendel, 1927
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forms brown mines at leaf edge

Food Plant: Mentha aquatica (water Mint), M.longifolia (Horse Mint), M.suaveolens (Round-leaved Mint)

Mine: bivoltine - early Summer, late Summer

Notes: The mine starts with a small spiral and then develops into a greenish blotch (frequently on the leaf margin), which turns brown as it ages (as shown). It may pupate either in or outside the mine. The pupa is yellow-brown in the summer generation and deep black in the winter one. A widespread species in the UK.

Data: 18.x.2104, bos t'Ename ~ Oudenaarde, (Oost Vlaanderen), Belgium

Image:© Carina van Steenwinkel

Recording Grade: 5

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