Food Plant: Achillea millefolium (Yarrow), Anthemis (Chamomile), Tanacetum vulgare (Tansy), Tripleurospermum maritimum (Sea Mayweed), Tripleurospermum inodorum (Scentless Mayweed)

Mine: late Spring and Late Summer

Notes: A narrow linear mine is formed, which starts at the leaf apex and runs towards the base. The larva pupariates externally, which enables distinction from Chromatomyia atricornis, which forms similar mines on the same host. The puparium is shining black. The adult emerged on 18.vii.2018.

Data: 03.vii.2018, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington

Recording Grade: 3,5

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.