Mayetiola culacera Stelter, 1992
on Calamagrostis

Calamagrostis canescens, Frankrijk, dép. Nord, Vred © Sébastien Carbonnelle; identification with some reservation

opened gall

another image
gall
white larvae, not covered by the epidermis, in a 15 mm long depression of the culm, bordered by a strong ridge. Gall high on the culm.
hostplants
Poaceae, monophagous
Calamagrostis canescens.
references
Dauphin & Aniotsbehere (1997a), Gagné & Jaschhof (2014a), Skuhravá, Skuhravý & Meyer (2014a).