Galls are abnormal growths and can be caused by a variety of different organisms, including insects and mites, and ...

For more than a hundred years, scientists have studied the strange partnership between ants and seeds. In this relationship, ...

Gall wasps are parasites, but only in the sense that they feed on branches or stems of oaks, roses, thimbleberries, some types of maple, and a few other plant species.

Ormyrus labotus parasitizes gall wasps, which lay their eggs on plants and induce them to form protective, swollen structures called galls around the larvae (a parasite, in a parasite!).

Generally, when a tree is being swarmed by real wasps, what they are doing is hunting other insects, and usually it's gall insects that are emerging from the galls. As far as gall insects go ...

The two-horned oak gall wasp is just one of dozens of species of gall wasps that incubate their eggs in oak leaves. Skip to content. All Sections. Subscribe Now. 70°F. Sunday, June 8th 2025 ...

A comprehensive review of inquiline oak gall wasps provided an updated account of the New World species, including the description of three new taxa and a morphological key to distinguish the ...

The horns develop the second or third year after the gall maker's eggs are laid, when the wasps inside are nearing their full size. Eventually, one full-size adult wasp emerges from each horn.

These are called "oak apples" or oak "gall". Most people assume it's some kind of little naturally occurring infection or something. Noooope. It's way more gross than that.

They are called galls. Oak galls are caused by gall wasps, a small cynipid wasp. The female wasp lays her eggs on the tree. This irritation causes the abnormal plant growth we ...

Erythrina gall wasps are yellow 6- to 8-millimeter-long invasive pests. They create galls — swollen, tumor-like growths — in erythrina tree tissue that serve as cocoons for their larvae to mature.

Cynipid: A member of the Cynipidae family, commonly known as gall wasps, many of which induce galls on plants. Phylogeny: The study of the evolutionary history and relationships among species.