Food Plant: Paris quadrifolia (Herb Paris), Neottia ovata (Common Twayblade)

Egg: laid on leaf in batches (average batch size about 5). The leaf above has 26 eggs (17 larvae seen in the mine)

Mine: April to May

Notes: Forms large blotch mines. The larval development si rapid (taking only 13 days). The pupal stage then lasts for around 348 days, with adults emerging in May and June. I

Data: 30.v.2009, Cheltenham, E.Gloucs, VC33

Image:© Robert Homan