White Oak Gall Wasp

Andricus ignotus

Note 2

Can be confused with A pattoni on Q stellata. Generally seems more tufted and less orange/brown but that may not be decisive. Possibly exclusive to the North?

Sources and Credits

  1. (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz
  2. (c) Adam Kranz, some rights reserved (CC BY-SA)

More Info

iNat Map

Quercus bicolor, macrocarpa, stellata
Host leaf lobes round
Cells cluster, single
Shape globular, tuft
Color white, yellow
Texture woolly
Phenology August, July, October, September
Plant part leaf midrib, leaf veins, lower leaf