Chromatomyia swertiae (Hering, 1937)

mine

At first a long, tortuous, very fine, interparenchymatous gallery; usually it widens into an upper-surface blotch. Frass in scant, not easily visible, grains. Pupation in the mine, deep in the leaf tissue.

host plants

Gentianaceae, monophagous

Swertia perennis.

phenology

Larvae in July, August.

distribution within Europe

Germany, Poland, Czechia, Lithuania (Fauna Europaea, 2010).

larva

puparium

Yellowish red, oval, segment limits deeply incised.

synonyms

Phytomyza swertiae.

references

Beiger (2005a), Černý, Barták & Vaněk (2009a), Hering (1954a, 1957a), de Meijere (1937a), Pakalniškis (2000a), von Tschirnhaus (1999a).

mod 2.i.2019