Vol. 90 (1993): Journal of the Entomological Society of British Columbia

Issued December 1993

Articles

• Effects of soil type and moisture on emergence of tuber flea beetles, Epitrix Tuberis (Coleoptera: Chrysomelidae) from potato fields

  Robert S. Vernon, Donald Thomson

  3-10

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• Hymenopterous parasites of the black headed budworm, Acleris gloverana on Vancouver Island, British Columbia, 1970-1974

  Tom Gray, Roy Sheperd

  11-13

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• Sex pheromone components of an undescribed Choristoneura species (Lepidoptera: Tortricidae) on lodgepole pine in British Columbia

  T. G. Gray, G. Gries

  13-18

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• Response of Trichogramma sp. nr. sibericum (Hymenoptera: Trichogrammatidae) to age and density of its natural hosts, the eggs of Rhopobota naevana (Lepidoptera: Tortricidae)

  S. Y. Li, D. E. Henderson, S. Y. Li

  18-24

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• Variation in attack by Sitka spruce weevil, Pissodes strohi (Peck), within a resistant provenance of Sitka spruce

  Rene I. Alfaro, M. Hulme, C. Ying

  24-30

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• Life history and pheromone response in Pissodes schwarzi Hopk. (Coleoptera: Curculionidae)

  Lorraine E. MacLauchlan, John H. Borden, Ingrid Price

  30-35

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• A versatile wind-resistant insect cage

  S. J. Clements

  35-40

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• Effect of burning alfalfa stubble for insect pest control on seed yield

  B. D. Schaber, J. F. Dormaar, T. Entz

  41-45

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• Phytoseiid mites associated with spider mites on hops in the Willamette Valley, Oregon

  W. B. Strong, B. A. Croft

  45-52

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• Relationships between catches in flight and emergence traps of the mountain pine beetle, Dendroctonus ponderosae Hopk. (Col.: Scolytidae)

  L. Safranyik, D. A. Linton

  53-61

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• Effects of female mating status and age on fecundity, longevity and sex ratio in Trichogramma minutum (Hymenoptera: Trichogrammatidae)

  S. Y. Li, G. Sirois, D. L. Lee, C. Maurice, D. E. Henderson

  61-66

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• Assessment of sweep net and suction sampling for evaluating pest insect populations in hay alfalfa

  A. M. Harper, B. D. Schaber, T. Entz, T. P. Story

  66-76

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• The Aphids (Homoptera: Aphididae) of British Columbia: 21. Further Additions

  C. K. Chan, B. D. Frazer

  77-82

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• First record of Pseudohaida rothi Hatch (Coleoptera: Staphylinidae: Omaliinae) from Canada

  J. M. Campbell, N. N. Winchester

  83-83

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Errata

• Some ants (Hymenoptera: Formicidae) from Southern Vancouver Island, British Columbia.

  N. C. Blacker

  84

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