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Gall type #23

  • ??? Russo (2021) Page 160, Plate 237. [Lumpy Gall Wasp, Unknown #31]
  • Round, lumpy leaf galls, attached to midrib vein on underside of leaves.
  • Have seen on Quercus palmeri.
  • Riverside County (California)


  • IMAGE 1      May 15, 2011      Riverside County      Host Quercus palmeri.     


    IMAGE 2
    Not clear if this gall and the next were
    induced by the same species as the
    gall above. They are very similar but
    the surfaces are slightly different.

    May 15, 2011
    Riverside County
    Host Quercus palmeri.

    IMAGE 3
    Old gall with exit hole.
    May 15, 2011
    Riverside County
    Host Quercus palmeri.

    Back to undescribed galls page.

    all photos and text © Joyce Gross