| Dryocosmus dubiosus | |
|---|---|
_-_iNaturalist_Photo_327814005,_(c)_Cricket_Raspet,_some_rights_reserved_(CC_BY),_uploaded_by_Cricket_Raspet.jpg)
| |
| Photographed 2023 near Pacifica, California | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Cynipidae |
| Genus: | Dryocosmus |
| Species: | D. dubiosus |
| Binomial name | |
| Dryocosmus dubiosus (Fullaway, 1911) | |
Dryocosmus dubiosus is an abundant species of cynipid wasp that produces galls on oak trees in California in North America. Commonly known as the two-horned gall wasp, the wasp oviposits on the leaves and catkins of coast live oaks and interior live oaks. After the eggs hatch, the resulting gall form looks like it has a set of bull's horns.
According to the University of California center for integrated pest management, "Damage from the leaf-galling generation of two-horned oak gall wasps is often confused with damage from fungi that cause oak twig blight and certain beetles e.g., oak twig girdlers."
References
- ^ Russo, Ronald A. (2021). Plant Galls of the Western United States. Princeton University Press. p. 89. doi:10.1515/9780691213408. ISBN 978-0-691-21340-8. LCCN 2020949502. S2CID 238148746.
- "Two-horned Gall Wasp (Dryocosmus dubiosus)". iNaturalist. Retrieved 2023-10-23.
- "Managing Pests in Gardens: Trees and Shrubs: Invertebrates: Two Horned Oak Gall Wasp—UC IPM". ipm.ucanr.edu. Retrieved 2024-03-05.
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