Phylloteras cupella
Santa Clara County, California, 2021
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Cynipidae
Subfamily: Cynipinae
Tribe: Cynipini
Genus: Phylloteras
Species:
P. cupella
Binomial name
Phylloteras cupella
(Weld, 1926)
Synonyms

Trigonaspis cupella

Phylloteras cupella, formerly Trigonaspis cupella, also known as the urn gall wasp or the banded urn gall wasp, is a species of cynipid wasp that induces leaf galls on a number of oak species in western North America.[1][2] Host species include Arizona white, blue, Engelmann, gray, leather, netleaf, scrub, and shrub oaks.[1] In the United States, galls induced by this species of wasp have been documented in California, Arizona, and New Mexico.[2] This wasp is most likely also in Mexico and Canada.[3]

The galls usually have an ombré gradient: lighter at the top, and darker toward the bottom.[1] New galls may be yellow, red, or mauve, while aging galls display a distinctly purple tint, and old galls ultimately turn brown.[1]

The wasp measures 1.3–2 millimeters in length.[4]

References

Wikimedia Commons has media related to Phylloteras cupella.
  1. 1 2 3 4 Russo, Ron (2006) [1979]. Field Guide to Plant Galls of California and Other Western States. California Natural History Guide No. 91 (Rev. ed.). Berkeley, Calif.: University of California Press. p. 167. ISBN 978-0-520-24886-1. LCCN 2006009332. OCLC 65207054.
  2. 1 2 Russo, Ronald A. (2021). Plant Galls of the Western United States. Princeton University Press. p. 197. doi:10.1515/9780691213408. ISBN 978-0-691-21340-8. LCCN 2020949502. OCLC 1239984577. S2CID 238148746.
  3. ↑ "Phylloteras cupella (agamic)". www.gallformers.org. Retrieved 2023-11-03.
  4. ↑ Weld, Lewis H. (1926). "Field notes on gall-inhabiting cynipid wasps with descriptions of new species". Proceedings of the United States National Museum. 68 (2611): 50. doi:10.5479/si.00963801.68-2611.1. hdl:10088/15671 – via Smithsonian Research Online.


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