Oak galls are the result of gall wasps. Inside the galls are the insect's eggs and larvae. When the eggs are first laid, the ...

such as aphid galls, or to large hard masses such as oak galls. Galls are caused by the feeding or egg-laying of insects and mites. Upon feeding or egg-laying, hormones from the arthropod are released ...

The most important texts in western history - including the Magna Carta, Newton's theories and Mozart's music - were written using oak gall ink. It was the standard writing and drawing ink in ...

Hugo noticed ants collecting what appeared to be seeds near his home, but his father, Andrew Deans, a professor of entomology at Penn State, identified them as oak galls. https://www.youtube.com ...