Food Plant: Aconitum spp.(Monkshood), Delphinium spp.

Mine: May, June, August-October

Notes: The larvae feed communally to form a large brown/blackish upper surface blotch, usually at the tip of a leaflet. Up to 6 larvae can inhabit a mine. A widespread leaf miner in gardens. The puparium is shown.

Data: viii.2020, Stretham, Cambs, VC29

Image:© Ian Barton