Cerodontha hammi Spencer, 1971
Large blotch mine with up to six larvae or puparia.
distribution within Europe
Picture in Warrington; metallic black, shining, deeply segmented, strong reminding of the puparium of C. incisa, but without the silken anchor string that is characteristic for that species.
Andersen (2016a), Spencer (1971a, 1972a, 1976a), von Tschirnhaus (1999a)., Warrington (2020e).