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

Clickable Guide

Interactive image map to choose major taxa 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 was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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


Genus Dryocosmus

Representative Images

Is this something buggish? - Dryocosmus dubiosus oak gall  - Dryocosmus quercuspalustris Gall - Dryocosmus dubiosus Gall - Dryocosmus floridensis Gall Wasps - Dryocosmus favus Unknown gall - Dryocosmus dubiosus Flower galls on Quercus agrifolia - Dryocosmus dubiosus Gall on a Laurel Oak leaf (Quercus lalurifolia) - Dryocosmus archboldi

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 Dryocosmus

Numbers

16 species per Nomina Insecta Nearctica.

Remarks

Genus author is Giraud, 1859.
The Oriental chestnut gall wasp Dryocosmus kuriphilus was introduced accidentally and is considered a serious pest if chestnuts.Wikipedia

Print References

L.K.Rieske, Success of an exotic gallmaker, Dryocosmus kuriphilus, on chestnut in the USA: a historical account, EPPO Bulletin 37 (1), 172–174 (2007)

Internet References