Andricus bakkeri Feron bakkeri, also known as the pinched leaf gall wasp, is a relatively uncommon species of gall-inducing hymenopteran.

[1][2] They produce pink leaf galls on Oregon oaks and scrub oaks.

[1] The distribution of this wasp is California and Oregon in North America.

[1][2] It was previously placed in the genus Andricus.

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