Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Callirhytis furva

fuzzy balls on leaf - Callirhytis furva Oak Leaf Gall ID Request - Callirhytis furva gall - Callirhytis furva fuzzy brown gall on pin oak leaf vein - Callirhytis furva Callirhytis furva? - Callirhytis furva cynipid wasp galls - Callirhytis furva cynipid wasp galls - Callirhytis furva Callirhytis furva
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitoid Apocrita))
Superfamily Cynipoidea
Family Cynipidae (Gall Wasps)
Tribe Cynipini
Genus Callirhytis
Species furva (Callirhytis furva)
Explanation of Names
Author: Weld, 1952
Life Cycle
Galls drop from leaves in October; adults emerge in the second or third spring in late March. (1)
Remarks
Forms galls on leaves of Quercus nigra and Q. paiustris (2); "probably on all the red oaks" (1): "Small cluster of globular galls, 3-4 mm, each covered with short, straight brown hairs, upper side, fall" (1).

Note from Charley Eiseman, 12/6/2009: The images in this section are not identified with 100% certainty, but this species is the closest match I have found for them. See comments under this image for more information.
Works Cited
1.Cynipid Galls of the Eastern United States
Lewis H. Weld. 1959. Privately printed in Ann Arbor, Michigan.
2.Catalog of Hymenoptera in America North of Mexico
Karl V. Krombein, Paul D. Hurd, Jr., David R. Smith, and B. D. Burks. 1979. Smithsonian Institution Press.