Phytomyza callianthemi Hering, 1944
Shallow, upper-surface corridor, initially very narrow, later irregularly widened. Frass partly in coarse grains, partly in strings or pearl chains, locally also missing. Pupation external, exit slit in lower epidermis.
Larvae in May.
distribution within Europe
Poland, Austria (Fauna Europaea, 2009); mountains.
Described by de Meijere (1946a), strongly resembling the larva of Ph. ranunculi.
Beiger (1979b), Hering (1944a, 1957a), de Meijere (1946a).