Gnorimoschema steueri Povolný, 1975
Full grown larvae have been observed in conspicuous large, whitish blotch mines. The larva makes several mines, moving to another leaf via a narrow gallery over the petiole and the root collar. Even moving to another plant has been observed. The larva rests in a tube of 1-2 cm length, made of silk and sand grains, near the base of the plant, close to the soil surface. Pupation in the ground (Huemer & Karsholt, 2010a).
Asteraceae, narrowly monophagous
Pupation in late July, adults seen in August and early September.
Not known from the Benelux countries (Fauna Europaea, 2010).
distribution within Europe
Mountains of Central Europe.
Head amber yellow; also translucent amber yellow; stigmata, papillae and tarsal claws rusty brown; setae colourless (Vávra, 1999a).
Elsner, Huemer & Tokár (1999a), Huemer & Karsholt (2010a), Vávra (1999a).