Plant Parasites of Europe

leafminers, galls and fungi

Agromyza woerzi

Agromyza woerzi Groschke, 1957


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.


Larvae in June (Hering, 1957a).


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

distribution within Europe

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


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.


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).

Last modified 17.iii.2019