Andricus brunneus

Andricus brunneus, also known as the clustered gall wasp, is a species of gall-forming wasp in the genus Andricus. It lives along the Pacific Coast of North America. Only females of this species are known.[1] Adults are brown or reddish-brown and about 3 millimetres (0.12 in) long.[2] It induces round galls on the leaves of white oaks, especially blue oaks.[2][1] These galls are usually found in clusters, reddish to light brown, and about 6 millimetres (0.24 in) in diameter. Each holds a single larval chamber, from which adult females emerge in autumn.[1]

Andricus brunneus
The galls induced by Andricus brunneus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Cynipidae
Genus: Andricus
Species:
A. brunneus
Binomial name
Andricus brunneus
Fullaway, 1911

References

  1. Russo, Ronald A. (2021). Plant galls of the Western United States. Princeton, New Jersey: Princeton University Press. pp. 276–276. ISBN 0-691-21340-2. OCLC 1239984577.
  2. Fullaway, David T. (December 1911). "MONOGRAPH OF THE GALL-MAKING CYNIPIDA (CYNIPINAE) OF CALIFORNIA". Annals of the Entomological Society of America. 4 (4): 353–354.
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