? on Salix repens

Thysanoptera ?

on Salix

unknown gall on Salix repens

Salix repens, den Helder, de Nollen

unknown gall on Salix repens

another, more weakly expressed gall

thrips on Salix repens

the posible gall causer

notes

The galls, especially theone of of the upper picture, strongl remind of Rabdophaga rosaria; however, there is no trace of a gall chamber. The galls contained may small, whitish, thrips larvae (plus a few full grown ones); perhaps they are tha gall causers.

01/07/2012

pub 16.vi.2013 ยท mod 23.vii.2017