Food Plant: Lychnis flos-cuculi (Ragged-Robin), Moehringia trinervia (Three-nerved Sandwort), Silene dioica (Red Campion)

Mine: Summer: Autumn

Notes: A narrow corridor is formed in the leaf and this runs into the stem as a shallow external stem mine. The mine may be long, often being >30cms long. The frass is formed in widely spaced grains (as shown). Pupariation is usually below a leaf node (as shown). The puparium is a pale brown and the posterior spiracles each have 9-11 bulbs. A local species. The adullts were bred through to confirm identity. The mine shown is on Silene dioica (Red Campion).

Data: 15,16,vii,2018, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington

Recording Grade: 5

References:
Papp L & Cerný M (2015), Agromyzidae (Diptera) of Hungary. 1. Agromyzinae.
Robbins, J (1990) - A Provisional Atlas of The Leaf Miners of Warwickshire.
Spencer, K.A (1972) - "Diptera: Agromyzidae" Handbooks for the Identification of British Insects, Royal Entomological Society of London