What is "jointworm"

Jointworm \Joint"worm`\, n. (Zo["o]l.) The larva of a small, hymenopterous fly ( Eurytoma hordei), which is found in gall-like swellings on the stalks of wheat, usually at or just above the first joint. In some parts of America it does great damage to the crop.

n. The larva of a hymenopterous fly, found in gall-like swellings on wheatstalks, usually around the first joint.

n. larva of chalcid flies injurious to the straw of wheat and other grains [syn: strawworm]