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

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
Copyright
Copyright © Entomological Society of Canada 1994

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References

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