Gall Wasps, Callirhytis quercusclaviger (Ashmead) and Callirhytis cornigera (Osten Sacken) (Insecta: Hymenoptera: Cynipidae) -- Figure 3. Mature (with horns) spine-bearing potato gall caused by the gall wasp Callirhytis quercusclaviger (Ashmead).

EENY-368: Gall Wasps, Callirhytis quercusclaviger (Ashmead) and Callirhytis cornigera (Osten Sacken) (Insecta: Hymenoptera: Cynipidae)

Figure 3. Mature (with horns) spine-bearing potato gall caused by the gall wasp Callirhytis quercusclaviger (Ashmead).

Credit: Jeffery Lotz, DPI