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Group photo at The Savill Garden
Three-day event included visits to two parks in Berkshire...
Roderick Cameron | Aug 18, 2024
Rebekah Mohn presenting at IBC 2024
Several abstracts included research involving Quercus.
Website Editor | Aug 13, 2024
Participants at the Oak Study Day in Arboretum des Pouyouleix
This five-day event included visits to four oak collections...
Website Editor | Aug 12, 2024

Plant Focus

Quercus dumosa acorn
Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.

Another Side of Oaks

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Ronald A. Russo

Published May 2024 in International Oaks No. 35: 37–44

Abstract

Oak trees are host to an extraordinary number of other species from across the Tree of Life:

birds, insects, fungi, lichens, etc.

One of the group of organisms whose life cycle is entirely dependent on oaks are the cynipid wasps of the family Cynipidae, with more than 1,400 species worldwide. Different species in this family exhibit various degrees of host specificity: some living only on the representatives of one section of the genus Quercus, some on only one species, and some only on one single tree.

There is a great deal of exploration still to be done in this fascinating world of cynipid wasps.

Keywords

cynipid wasps, alternation of generations, Southwestern US oak galls

References

Chinnery, M. 2011. Britain’s Plant Galls. British Plant Gall Society. New Jersey: Princeton University Press.

Csóka, G. 1997. Plant Galls. Budapest: Forest Research Institute.

Felt, E.P. 1965. Plant Galls and Gall Makers. New York: Hafner Publishing Co. Kinsey, A.C. 1920. New Species and Synonymy of American Cynipidae. American Museum of Natural History 42 (article 5).

Kinsey, A.C. 1922. Studies of some new and described Cynipidae (Hymenoptera). University of Indiana.

Kinsey, A.C. 1930. The Gall Wasp Genus Cynips. A Study in the Origin of Species. Indiana University Studies XVI. Redfern, M. 2011. Plant Galls. London: Harper Collins.

Russo, R.A. 1979. Plant Galls of the California Region. Monterey: Boxwood Press.

Russo, R.A. 2006. Plant Galls of California and other Western States. Berkeley: University of California Press. Russo, R.A. 2021. Plant Galls of the Western United States. New Jersey: Princeton University Press.

Weld, L.H. 1957. Cynipid Galls of the Pacific Slope. Published by the author.

Weld, L.H. 1959. Cynipid Galls off the Eastern United States. Published by the author. Weld, L.H. 1960. Cynipid Galls of the Southwest. Published by the author.