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PHENOLOGICAL NOTES ON A NON-MIGRATING POPULATION OF PINEUS FLOCCUS (HOMOPTERA: CHERMIDAE)

Published online by Cambridge University Press:  31 May 2012

R. F. DeBoo  and
J. A. Weidhaas Jr.
R. F. DeBoo
Affiliation:
Department of Entomology, Cornell University, Ithaca, New York
J. A. Weidhaas Jr.
Affiliation:
Department of Entomology, Cornell University, Ithaca, New York
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Extract

Pineus floccus Patch is an occasional pest of ornamental spruces in eastern North America which produces unsightly galls at branch extremities. Damage to the specific alternate host, eastern white pine (Pinus strobus L.), may result in lateral shoot injury similar to that reported for P. pinifoliae (Fitch) by DeBoo, Dimond, and Lowe (1964). However, outbreaks of P. floccus are uncommon, with populations regulated at low levels throughout most of its distribution.

Type
Articles
Information
The Canadian Entomologist , Volume 99 , Issue 7 , July 1967 , pp. 765 - 766
Copyright
Copyright © Entomological Society of Canada 1967

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References

Annand, P. N. 1928. A contribution towards a monograph of the Adelginae (Phylloxeridae) of North America. Stanford Univ. Press, Univ. Ser. Biol. Sci. 6.Google Scholar
DeBoo, R. F., Dimond, J. B., and Lowe, J. H. Jr., 1964. Impact of pine leaf aphid, Pineus pinifoliae (Chermidae) on its secondary host, eastern white pine. Can. Ent. 96: 765–772.Google Scholar
Patch, Edith M. 1909. Chermes of Maine conifers. Maine Agric. Exp. Sta. Bull. 173.Google Scholar