Steneotarsonemus canestrinii (Massalongo, 1897)
on grasses
gall
The inside of the leaf sheath and the corresponding part of the culm covered with rows or crusts of initially white, later brown, papillae.
host plants
Poaceae, oligophagous
Elymus caninus; Elytrigia repens; Stipa capillata, pennata.
According to Dauphin & Aniotsbehere not on Stipa capillata.
references
Buhr (1964b), Dauphin & Aniotsbehere (1997a)m Houard (1908a), Redfern & Shirley (2011a), Roskam (2019a), Tomasi (2012a).