2023–12–24

Gall Wasp

A gall induced by Atrusca quercuscentricola, Spotted oak apple gall wasp. An egg is laid and after hatching the larvae signals the tree which produces a protective gall which contains a nutritious food source. At maturity in late November to early December it cut’s a tiny hole and exits the gall.

A small, light orange sphere with many dark red circles sits on a brown leaf in a forest. It is made by a gall wasp. The sphere has a small hole in the top right that reveals that the sphere is a very thin material.