Figure 1
From: Gall volatiles defend aphids against a browsing mammal

Cauliflower-shaped galls of S. wertheimae on a P. atlantica tree. The galls reach approximately the size of a tennis ball.
From: Gall volatiles defend aphids against a browsing mammal
Cauliflower-shaped galls of S. wertheimae on a P. atlantica tree. The galls reach approximately the size of a tennis ball.