? on Salix repens
Salix repens, den Helder, de Nollen
another, more weakly expressed gall
the posible gall causer
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.