Effects of Bacillus thuringiensis on Parasites of Western Spruce Budworm (Lepidoptera: Tortricidae)1

Abstract

Journal Article Effects of Bacillus thuringiensis on Parasites of Western Spruce Budworm (Lepidoptera: Tortricidae) Get access Christine G. Niwa, Christine G. Niwa Pacific Northwest Research Station, Forestry Sciences Laboratory, Corvallis, Oregon 97331 Search for other works by this author on: Oxford Academic PubMed Google Scholar Milton J. Stelzer, Milton J. Stelzer Pacific Northwest Research Station, Forestry Sciences Laboratory, Corvallis, Oregon 97331 Search for other works by this author on: Oxford Academic PubMed Google Scholar Roy C. Beckwith Roy C. Beckwith Pacific Northwest Research Station, Forestry Sciences Laboratory, Corvallis, Oregon 97331 Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Economic Entomology, Volume 80, Issue 4, 1 August 1987, Pages 750–753, https://doi.org/10.1093/jee/80.4.750 Published: 01 August 1987 Article history Received: 18 June 1986 Accepted: 03 April 1987 Published: 01 August 1987