Thumbnails
Info
Categories & Keywords

Category:
Subcategory:
Subcategory Detail:
Keywords:Amphibolips confluenta, Amphibolips quercusinanis, Quercus bicolor, apple oak gall, coevolution, cynipid, cynipidae, defense, development, gallwasp, glands, hymenoptera, insect, leaf, meristematic stimulation, plant, quercus, round, secretion, spots, wasp, yellow
Backlit cross section of an apple oak gall (Amphibolips sp.)

Backlit cross section of an apple oak gall (Amphibolips sp.)

Cross section of an oak apple gall. There's a cynipid wasp inside the central portion, and I'm guessing it's either Amphibolips confluenta or Amphibolips quercusinanis. Growing on Quercus bicolor in Swarthmore, Pennsylvania.