? on Acer pseudoplatanus

Acari, Eriophyidae

unknown eriophyiid gall on Acer pseudoplatanus

Acer pseudoplatanus, Zeewolde, Harderbos © Hans Jonkman

unknown eriophyiid gall on Acer pseudoplatanus

detail upperside

unknown eriophyiid gall on Acer pseudoplatanus

detail underside: not just the opening, but also the inside of the gall was hairy

unknown eriophyiid gall on Acer pseudoplatanus

Acer pseudoplatanus, Belgium, prov. Liège, Vivegnis © Jean-Yves Baugnée

notes

galls like these are described, but not named, by Buhr (1964b); according to him several authors associate them with Aceria macrorhyncha.

27/09/2015

mod 23.vii.2017