Gall wasps are a stingless species that create galls on trees and bushes where they grow from larvae into adulthood. So, now we know they won't hurt us, but are those bulbous tumor-like balls on ...

Leaves of endemic wiliwili riddled by Erythrina gall wasp damage are pictured on a tree on Kahoolawe in 2008. FOREST AND KIM STARR photo Reinforcements are being called to the front lines of a ...

Living up to its name, the oak apple gall wasp produces growths, or 'galls', on oak twigs that look like little apples. Inside the gall, the larvae of the wasp feed on the host tissues, but cause ...

The common spangle gall wasp produces a small, disc-shaped growth, or 'gall', on the undersides of oak leaves. Inside the gall, the larvae of the wasp feed on the host tissues, but cause little damage ...

Because the asexual adult wasps are extremely small, just ⅛ to ¼ inches long, you likely won't see them. However, if you cut a gall open, you'll spot their wormy larvae, which feed on the plant ...

Neuroterus is a genus of gall wasps. Some species produce galls that fall off the host plant and jump along the ground due to the movement of the larvae within.

Photo: Noah Stavnes, U of MN Entomologists are just beginning to understand soybean gall midge biology. The larvae are believed to overwinter inside cocoons in the soil of infested fields with ...

Galls are growths shaped by wasps to ensure a safe shelter in which their larvae can develop. Hugo’s discovery launched fresh inquiries into how wasps might be tricking ants into unwittingly providing ...

Chrysonotomyia susbelli is a parasitoid wasp that eats the gall wasps that lay eggs on oak trees, creating small growths known as plant galls. The wasp is just 1 millimeter in length and cannot sting.

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.

wasp with gall nut, b. split gall nut with larvae, c. female wasp; 2) Birch Sawfly (Cimbex femoratus, or Cimbex betulae), 2a. female, 2b. male, 2c. opened cocon, and 2d. larva; 3) Microgaster nemorum ...