Spiny rose gall wasp

Diplolepis bicolor

Causes galls on rose leaves: "Spherical, 7-10 mm. in dia., covered with spines about as long as diameter of the gall, the leaf obliterated if the cluster is large."
rose galls caused by the spiny rose gall wasp on R. woodsii narrowed down species via this paper - http://www.biology.ualberta.ca/bsc/english/grasslandsbook/Chapter12_ACG.pdf Diplolepis bicolor,Geotagged,Spring,United States,spiny rose gall wasp

Appearance

Causes galls on rose leaves: "Spherical, 7-10 mm. in dia., covered with spines about as long as diameter of the gall, the leaf obliterated if the cluster is large."

References:

Some text fragments are auto parsed from Wikipedia.

https://bugguide.net/node/view/361098
more info: http://www.biology.ualberta.ca/bsc/english/grasslandsbook/Chapter12_ACG.pdf
Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderHymenoptera
FamilyCynipidae
GenusDiplolepis
SpeciesDiplolepis bicolor
Photographed in
United States of America