Unknown #4
Peach-gall sawfly
[Page 224; plate 377]
Hosts: Sierra willow (Salix cf eastwoodiae)
This sawfly induces monothalamous, round to oblong, fuzzy midrib galls resembling a peach that terminate in a slight projection or tip.
Adult sawflies have been reared from these galls but have yet to be identified.
”- Russo, Ronald A. : (2021) Plant Galls of the Western United States©