Phytomyza erigerophila Hering, 1927
Material examined.
GR: Ftan Clünas [46°48'N, 10°15'E, 2000m a.s.l.], 1 ♂, 5.viii.1996, B. Merz & G. Bächli leg.
Distribution.
North America: Canada and United States; Europe: Bulgaria, Czech Republic, Denmark, Finland, France incl. Corsica, Germany, Great Britain, Lithuania, Netherlands, Norway, Poland; Asia: Japan. First record from Switzerland.
Biology.
Host plants Aster, Conyza, Erigeron .