Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Disholcaspis quercusglobulus - Round Bullet Gall Wasp

Oak Bullet Gall cross-section, showing pupa - Disholcaspis quercusglobulus Family Cynipidae - Gall Wasps on oak twigs - Disholcaspis quercusglobulus Family Cynipidae - Gall Wasps on oak twigs - Disholcaspis quercusglobulus gall on white oak twig - Disholcaspis quercusglobulus gall on white oak twig - Disholcaspis quercusglobulus Round bullet gall - Disholcaspis quercusglobulus Disholcaspis quercusglobulus round galls on twigs of Chestnut Oak (Quercus montana) - Disholcaspis quercusglobulus
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 Disholcaspis
Species quercusglobulus (Round Bullet Gall Wasp)
Synonyms and other taxonomic changes
Disholcaspis quercus-globulus
Disholcaspis globulus
Explanation of Names
Author: Fitch, 1859
Life Cycle
Galls in Ohio have been observed to contain pupae in late September; adults emerged from galls in Ohio and Toronto in mid- to late October. The adults in Toronto immediately oviposited in white oak twigs. The spring gall resulting from this oviposition is not known. (1)
Remarks
Forms round, detachable twig galls, 8-15 mm in diameter, singly or in small clusters, on white oak (Quercus alba). (1)
Works Cited
1.Cynipid Galls of the Eastern United States
Lewis H. Weld. 1959. Privately printed in Ann Arbor, Michigan.