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RECOVERY OF ADDITIONAL EXOTIC PREDATORS OF BALSAM WOOLLY ADELGID, ADELGES PICEAE (RATZEBURG) (HOMOPTERA: ADELGIDAE), IN BRITISH COLUMBIA

Published online by Cambridge University Press:  31 May 2012

L.M. Humble
L.M. Humble
Affiliation:
Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, 506 West Burnside Road, Victoria, British Columbia, Canada V8Z 1M5
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Extract

Shortly after the discovery of the introduction of balsam woolly adelgid, Adelges piceae (Ratzeburg), to the south coast of British Columbia, a predator release program was initiated to establish a complex of European and Asian adelgid predators to supplement existing native predators. Between 1960 and 1969, eight species of exotic predators, Aphidoletes thompsoni Mohn (Diptera: Cecidomyiidae), Cremifania nigrocellulata Czerny and Leucopis hennigrata McAlpine [=Leucopis sp. nr. melanopus Tanas. (McAlpine 1978)] (Diptera: Chamaemyiidae), Laricobius erichsonii Rosenhauer (Coleoptera: Derodontidae), Aphidecta obliterata (L.), Scymnus (Pullus) impexus Mulsant, and Scymnus (S.) pumilio (Weise) (Coleoptera: Coccinellidae), and Tetraphleps abdulghani Ghauri (Heteroptera: Anthocoridae), were released (Clark et al. 1971; Schooley et al. 1984).

Type
Articles
Information
The Canadian Entomologist , Volume 126 , Issue 4 , August 1994 , pp. 1101 - 1103
Copyright
Copyright © Entomological Society of Canada 1994

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References

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