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Genus Callirhytis

Ball Gall Wasp? - Callirhytis perfoveata Woolly Catkin Gall Wasp - Callirhytis quercusoperator Gouty Stem Gall Wasp - Callirhytis quercussuttoni Wool Sower gall? - Callirhytis seminator Callirhytis furva Gall on Oak - Callirhytis furva Cynipidae, Gouty Oak Galls, old and new - Callirhytis quercuspunctata Cynipidae, Gouty Oak Gall, secondary gall opened to larva - Callirhytis quercuspunctata
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
Nearctica lists 105 species
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)