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For the United States & Canada
 

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Genus Callirhytis

Representative Images

Live Oak Bud Gall Wasp gall - Callirhytis quercusagrifoliae scrub oak gall - Callirhytis quercusoperator Callirhytis seminator? - Callirhytis seminator Acorn Pip Gall (Callirhytis operator) - Callirhytis quercusoperator Wool Sower - Callirhytis seminator Galls on an oak leaf - Callirhytis Callirhytis lanata Callirhytis myrtifoliae

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Cynipoidea
Family Cynipidae (Gall Wasps)
Tribe Cynipini (Oak Gall Wasps)
Genus Callirhytis

Explanation of Names

Author: Förster 1869

Numbers

Nearctica lists 105 species

Food

Make galls in oak twigs(1)

Life Cycle

They have a complicated life cycle with agamic and sexual generations and with different galls in different parts of the plant (leaves vs. stems). It may take three years to complete the whole cycle. In most cases very little is known.1

Internet References

"Callirhytis quercusclaviger (Ashmead) and Callirhytis cornigera (Osten Sacken) " from the University of Florida (HTML version or PDF document)
Biology of Callirhytis cornigera (Hymenoptera: Cynipidae) and the Arthropod Community Inhabiting Its Galls Environmental Entomology. 29(3):551-559. 2000

Works Cited

1.Plant Galls and Gall Makers
Ephraim Porter Felt. 1940. Comstock Publishing Company, Inc., Ithaca NY.
Contributed by Joyce Gross on 23 September, 2007 - 3:16am
Additional contributions by Beatriz Moisset, Aaron Schusteff, Marci Hess
Last updated 13 October, 2023 - 11:57am

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