Chromatomyia skuratowiczi (Beiger, 1972)

Diptera, Agromyzidae

mine

The larva makes large blotches in several leaves of the ground rosette. The mines are upper surface, but quite deep, locally even almost full-depth. Frass in the form of thick green threads. Pupation within the mine, either lower- or upper-surface.

hostplants

Gentianaceae, narrowly monophagous

Gentiana verna.

phenology

Larvae were collected in July.

distribution within Europe

Poland (Fauna Europaea, 2010).

larva

Frontal appendix present. Mandibles strongly alternating, with two teeth. Rear arms of the cephalic skeleton almost colourless. Both front and rear spiraculum fist-shaped, with c. 9 and 7-12 papillae, respectively.

puparium

Lightly flattened dorsoventrally, reddish yellow with a ventral brown length band; spiracula black. The puparium lies venter-upwards in the mine, the front spiracula penetrate the epidermis.

synonyms

Phytomyza skuratowiczi.

references

Beiger (1972a, 2005a), Michalska, Myssura & Walczak (2010a).

23/01/2013

mod 28.vi.2017