Diplolepis bicolor explained

Diplolepis bicolor, also known as the spiny bud gall wasp, is a species of cynipid wasp that induces bud galls on wild roses.^[1] This gall wasp is found throughout North America.^[2] The galls measure 10 to 12 mm in diameter and have a superficial resemblance to the leaf galls induced by Diplolepis polita.

Notes and References

1. Book: Russo, Ron . Field Guide to Plant Galls of California and Other Western States . University of California Press . 2006 . 1979 . Rev. . California Natural History Guide No. 91 . Berkeley, Calif. . 298 . 978-0-520-24886-1 . 2006009332 . 65207054 . en-us.
2. Web site: Diplolepis bicolor . 2023-11-03 . iNaturalist . en.