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The reproduction of gall wasps is usually partly parthenogenesis, in which a male is completely unnecessary, and partly two-sex propagation. [2] Most species have alternating generations, with one two-sex generation and one parthenogenic generation annually, whereas some species produce very few males and reproduce only by parthenogenesis, [2] possibly because of infection of the females ...
Atrusca trimaculosa, also known as the woollybear gall wasp, is a species of gall wasp. [2] [3] This wasp is found on a variety of oak trees, including valley oak, blue oak, and Oregon oak. Its galls are 3–4 mm wide, round, and covered in stiff hairs. The galls are located on leaves, and often clustered together.
Callirhytis quercusbatatoides (Ashmead, 1881) - Southern live oak stem gall wasp; Callirhytis quercusclavigera (Ashmead, 1881) Callirhytis quercuscornigera (Osten Sacken, 1865) Callirhytis quercusfutilis (Osten Sacken, 1861) Callirhytis quercusgemmaria (Ashmead, 1885) Callirhytis quercusoperator (Osten Sacken, 1862) - Woolly catkin gall wasp
Amphibolips confluenta Spongy Oak Apple Gall Wasp; Amphibolips cookii Oak Apple Gall Wasp; Amphibolips nubilipennis Translucent Oak Gall Wasp; Amphibolips quercusinanis Larger Empty Oak Apple Wasp [11] Amphibolips quercusjuglans Acorn Plum Gall Wasp; Amphibolips quercusostensackenii Small Oak Apple Gall Wasp; Amphibolips quercuspomiformis Live ...
Callirhytis seminator, the wool sower, is a species of gall wasp in the family Cynipidae. [1] The adult wasps are about 1/8" in length and dark brown in color. The larvae are white and fat and have no legs. The wasps only lay eggs on white oak trees and only in the spring. They lay the egg in a gall, a round, white structure resembling a cotton ...
Ronald A. Russo in Plant Galls of the Western United States moves species like the golden oak apple wasp from Andricus to Trichoteras, while acknowledging the previously accepted binomials. William Harris Ashmead first defined this genus in 1897. [2] List of Trichoteras species: Trichoteras burnetti (formerly Andricus burnetti) - woolly gall ...
Callirhytis quercusfutilis, the oak wart gall wasp, is a species of gall wasp in the family Cynipidae. [1] Ecology. Range is central and eastern North America. [1]
Atrusca brevipennata, formerly Andricus pellucidus, also known as the little oak-apple gall wasp, is a locally common species of cynipid wasp that produces galls on oak trees in North America. [1] The wasp oviposits on shrub live oak and Gambel oak leaves. [1] The larval chamber is at the center of the gall, connected to the husk by slender ...