Although, M. coffeicola does not produce galls it causes peeling and cracking of roots instead.

Prociphilini are aphids that cause the plants they attack to produce galls in which they reside and feed.

The species produce galls on the Chinese sumac (Rhus chinensis).

A related wasp species, A. kingi, produces small galls shaped like Hershey's kisses on leaf surfaces.

Many species produce galls, including Apiomorpha which feeds on various species of eucalypt and has a complex life cycle.

Some species produce galls that fall off the host plant and jump along the ground due to the movement of the larvae within.

On the Eastern Red Cedar host, the fungus produces reddish-brown galls from 1/4 to 1 inch in diameter.

A few live on developing seeds, or produce galls.

During the closing years of his life, Darwin began to experimentise on the possibility of producing galls artificially.

They can infect corn plants (Zea mays) producing tumor-like galls that render the ears unsaleable.