Agromyza woerzi Groschke, 1957

mine

Blotch, invariably beginning at the leaf margin, and widening fast and strongly. Primary and secondary feeding lines very conspicuous. Frass in coarse grains. Pupation outside the mine.

host plants

Caprifoliaceae, monophagous

Knautia arvensis, drymeia.

phenology

Larvae in June (Hering, 1957a).

BENELUX

Not known from the Benelux countries (Fauna Europaea, 2007).

distribution within Europe

From Germany eastwards to the Baltic States and Belarus (Fauna Europaea, 2007).

larva

De Meijere (1926a) described the larva of an Agromyza sp., reared from Knautia; later (1928a) he wrote the he finally had identified this material as A. dipsaci. This is not correct: in reality it concerned A. woerzi. Rear spiraculum with 3-4 papillae.

references

Buhr (1964a), Černý & Bächli (2018a), Černý & Merz (2006a), Dursun, Civelek, Barták ao (2015a), Groschke (1957a), Hering (1957a), Huber (1969a), de Meijere (1926a, 1928a), Pakalniškis (1995a, 1998a), Papp & Černý (2015a), von Tschirnhaus (1999a).