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

Species Amphibolips quercusostensackenii - Small Oak Apple Gall Wasp

leaf gall on pin oak - Amphibolips quercusostensackenii Red oak gall - Amphibolips quercusostensackenii Red oak gall - Amphibolips quercusostensackenii Small Oak Apple Gall  - Amphibolips quercusostensackenii Small Oak Apple Gall Wasp - gall & adult - Amphibolips quercusostensackenii Small oak apple gall wasp - Amphibolips quercusostensackenii Small oak apple gall wasp - Amphibolips quercusostensackenii Andricus quercusostensackenii (Amphibolips quercusostensackenii) - Amphibolips quercusostensackenii
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 Amphibolips
Species quercusostensackenii (Small Oak Apple Gall Wasp)
Synonyms and other taxonomic changes
Andricus ostensackeni; A. ostensackenii
Andricus quercusostensackenii
Cynips quercussingularis Bassett 1863
Andricus singularis
Amphibolips quercussingularis
Explanation of Names
Author: Bassett
Life Cycle
Emerged July 8-15 from galls collected in Chicago. (1)
Adults emerge June-July (1)
Remarks
Develops in galls on leaves of the red oak group: "Small oak apple, 7-9 mm, projecting on both sides of leaf, larval cell supported by fibers." (1) Weld lists Q. coccinea, velutina, palustris, falcata, and imbicaria as hosts. "Globose, somewhat oblong, hollow, pale greenish-yellow, with filament supported cell, diameter 1/3 inch, about 1/4 showing on upper surface of leaf, on pin, scarlet, shingle and scrub oaks, spring." (2)
Works Cited
1.Cynipid Galls of the Eastern United States
Lewis H. Weld. 1959. Privately printed in Ann Arbor, Michigan.
2.Plant Galls and Gall Makers
Ephraim Porter Felt. 1940. Comstock Publishing Company, Inc., Ithaca NY.