Definition of gall wasp in US English:

gall wasp


  • A small winged insect that is similar to an ant in appearance. The female lays its egg in plant tissue, which swells to form a gall when the larva hatches.

    Superfamily Cynipoidea, order Hymenoptera: several genera

    • ‘The stems are slightly swollen and if the gall wasps have emerged, their emergence holes are also noticeable.’
    • ‘Each species of oak gall wasp attacks one to several host species, but none attack both white oaks and red oaks.’
    • ‘The gall wasp, a native of Korea and Japan, entered this country in Georgia in 1974 from Asia.’
    • ‘Even still, there are other perils awaiting the defenseless gall wasps inside their papery galls.’
    • ‘His specialty was the physiology of the gall wasp.’
    • ‘Prune gall wasp out of citrus trees before September to prevent eggs from hatching.’
    • ‘Female gall wasps emit chemical pheromones into the plant stem to attract males in the spring.’
    • ‘As a by-product of that study, they discovered that females of a flea-sized prairie gall wasp, Antistrophus rufus, are able to alert males to their presence by altering the smell of the plants they live in.’
    • ‘He immerses himself in the study of the gall wasp, whose North American varieties were almost completely unresearched.’
    • ‘Perhaps his background as a specialist on gall wasps wasn't the best start for the study of human relations.’
    • ‘There are at least two different families of gall wasps which come in lay their eggs and that eats the maggot.’
    • ‘Socially inept, the young entymologist is delighted when he meets Clara, the only girl on campus as interested in gall wasps as he is.’
    • ‘The hedgehog gall wasp can cause leaf galls with orangeish fuzz.’
    • ‘Aphids, grasshoppers, and gall wasps appear in the Cretaceous, as well as termites and ants in the later part of this period.’
    • ‘Just how the different gall wasps stimulate oaks to form a specific kind of gall is not completely understood.’
    • ‘Only a few species are known from South America and Africa and there are no native gall wasps in Australia.’
    • ‘He attended Harvard and received a Doctor of Science degree in taxonomy, and he devoted no less than 20 years of his life to researching the gall wasp.’
    • ‘Two or more years are required for gall wasps that develop in woody twig galls to reach maturity.’
    • ‘Here he abandoned religion, raised a family, and won a reputation as a respected teacher and preeminent authority on gall wasps.’
    • ‘Specifically, the researchers found that male gall wasps respond to uneven chemical ratios in the plants.’