https://www.naturespot.org.uk/species/coremacera-marginata The adults are 7 to10 millimetres long. The prominent eyes and the legs are reddish brown. The brown or yellowish antennae are forward-pointing, with a hairy 3rd segment and a whitish arista. The dark grey wings are mottled by many greyish spots and with a blackish border. Larvae prey on terrestrial snails.
