''Diplolepis bicolor'', also known as the spiny bud gall wasp, is a species of cynipid wasp that induces bud

gall Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants, fungi, or animals. Plant galls are abnormal outgrowths of plant tissues, similar to be ...

s on wild

roses A rose is either a woody perennial flowering plant of the genus ''Rosa'' (), in the family Rosaceae (), or the flower it bears. There are over three hundred species and tens of thousands of cultivars. They form a group of plants that can be e ...

. This gall wasp is found throughout North America. The galls measure 10 to 12 mm in diameter and have a superficial resemblance to the leaf galls induced by '' Diplolepis polita''.

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* Cynipidae Gall-inducing insects Hymenoptera of North America Insects described in 1907 Taxa named by William Beutenmuller Insects of Canada Insects of the United States {{Apocrita-stub