Phytomyza pieninica Nowakowski, 1963
Upper surface corridor; the first part is rather straigt, and often follows the leaf margin. The second part is strongly wound, intestine-like, and froms a secondary blotch. Frass in coarse, irregularly dispersed, widely separated grains. Pupation in the mine, in a lower-surface pupal chamber; the front spiracula of the pupaprium penetrate the lower epidermis.
Asteraceae, narrowly monophagous
Occupied mines were found in late summer.
distribution within Europe
Poland, (Fauna Europaea, 2009); Pieniny Mountains.
Mandibles two-teethed, alternating. No frontal appendage. Front spiraculum bud-shaped, with 9 papillae; rear spiraclum with c. 15 papillae in an ellipse.
Light brown, smooth and shining, c. 2.3 mm long.
Griffiths (1976c), Nowakowski (1963a), Michalska, Myssura & Walczak (2010a).