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- Jantz, O. K., and R. L. Johnsey. 1964. Determination of sex of the Douglas-fir beetle Dendroctonus pseudotsugae Hopkins (Coleoptera: Scolytidae) . Canadian Entomologist 96:1327-1329.
- Johnsey, R. L. 1964. The biologies of two dipterous predators of Dendroctonus pseudotsugae Hopkins in western Oregon and Washington. Unpublished thesis, Oregon State University, Corvallis.
- Johnsey, R. L., W. P. Nagel, and J. A. Rudinsky. 1965. The Diptera Medetera aldrichii Wheeler (Dolichopodidae) and Lonchaea furnissi McAlpine (Lonchaeidae) associated with the Douglas-fir beetle in western Oregon and Washington . Canadian Entomologist 97:521-527.
- Johnsey, R. L. 1984. Bark beetles of interior Douglas-fir/grand fir forest type. Pages 103-107 in D. M. Baumgartner and R. Mitchell, Silvicultural management strategies for pests of the interior Douglas-fir and grand fir forest types: proceedings of a symposium. Cooperative Extension, Washington State University, Pullman, Washington.