Plant Parasites of Europe

leafminers, galls and fungi

Tetramesa poae

Tetramesa poae (von Schlechtendal, 1891)

on Poa


Swelling of the culm, in shape and size similar to a grain of wheat, that erupts out of the leaf sheath. This gall is initially green, later brown, and has a smooth and shiny, finely striate surface. Larva orange-red (Houard).

host plants

Poaceae, narrowly monophagous

Poa nemoralis.


Isosoma poae; Harmolita, Tetramesa poicola Hedicke, 1921.


Buhr (1965a), Claridge (1961a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Koponen & Vikberg (2016a), Roskam (2009a).

Last modified 20.iii.2021