Category: Midge Schizomyia viticola

  • Grape Tube Galls

    Nature is full of surprises, like these galls that I found on a wild grapevine. They’re grape tube galls, created by a midge, Schizomyia viticola. The midge lays eggs on the leaf and the gall is the plant’s reaction to it. Actually there is very little damage done to the grapevine, and these galls are…