Phytomyza alpina Groschke, 1957
Initially narrow, but in the end quite broad upper-surface corridor; sides parallel at first, weakly scalloped later. Frass grains especially towards the end unusually large and wide apart. Pupation outside the mine, exit slit mostly in the upper epidermis.
In North-America also on Petasites (Griffiths, 1972b).
Larvae in July Groschke (1957a).
Not known from the Benelux countries Fauna Europaea, 2009).
distribution within Europe
From Ireland to Poland and the Alps; also Bulgaria, Slovenia (Beiger, 1979a; Maček, 1999a; Fauna Europaea, 2009).
“Similar to those of Ph. tussilaginis” (Griffiths, 1972b); anterior spiraculum with 14-18 papillae, rear spiraculum with 22-36!
Beiger (1978a, 1979a), Bland (1994b), Černý, Barták & Vaněk (2009a), Černý & Merz (2007a), Černý, Vála & Barták (2001a), Griffiths (1972b), Groschke (1957a), Hering ((1957a #4778, 1962a), Huber (1969a), Maček (1999a), Spencer (1972a), von Tschirnhaus (1999a).