Phytomyza ptarmicae Hering, 1937
mine
Very long lower-surface corridor; only the very last section is upper-surface. Frass in widely spaced grains. Pupation outside the mine.
hostplants
Asteraceae, narrowly monophagous
Achillea grandifolia, ptarmica.
phenology
From June on, in two generations (Hering, 1957a).
BENELUX
Not known from the Benelux countries (Fauna Europaea, 2009).
distribution within Europe
From Sweden and Finland to Germany and Slovakia (Fauna Europaea, 2009).
larve
puparium
Pitch black.
references
Andersen (2013a), Andersen & Jonassen (1994a), Černý (2007a), Černý, Vála & Barták (2001a), Hering (1937a, 1954a, 1957a), Pakalniškis (1993a), Spencer (1976a).