Snail-killing fly

Snail-killing fly

Observation - Snail-killing fly - UK and Ireland. Description: A sciomyzid I'm sure, but can any one suggest an ID? Limnia sp?? Seen perched on Woolly thistle leaves in a chalk grassland meadow.

A sciomyzid I'm sure, but can any one suggest an ID? Limnia sp?? Seen perched on Woolly thistle leaves in a chalk grassland meadow.