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- Bedard, W. D. (., and L. E. Browne. 1969. A delivery-trapping system for evaluating insect chemical attractants in nature. Journal of Economic Entomology 62:1202-1203.
- Bedard, W. D. (. 1966a. A ground phloem medium for rearing immature bark beetles (Scolytidae). Annals of the Entomological Society of America 59:931-938.
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- Bedard, W. D. 1931. New facts regarding the biology of the mountain pine beetle in western white pine. United States Department of Agriculture, Bureau of Entomologyu, Coeur d'Alene, Idaho.
- Bedard, W. D. 1932. Douglas-fir beetle investigations 1931, Coeur d'Alene, Idaho. United Stated Department of Agriculture, Bureau of Entomology and Plant Quarantine, Office Report. 22 p., typed, illus.
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- Bedard, W. D. 1933b. The Douglas-fir beetle, its seasonal history, biology, habits, and control. United States Department of Agriculture, Forest Service, Forest Insect Field Stations, Coeur d'Alene, Idaho. 67 p. (processed).
- Bedard, W. D. 1933c. The number of larval instars and the approximate length of the larval stadia of Dendroctonus pseudotsugae Hopk. with a method for their determination in relation to other bark beetles. Journal of Economic Entomology 26:1128-1134, 2 figs.
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- Bedard, W. D. 1937a. A study of mountain pine beetle infestations in western white pine, 1936 investigations. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1937b. Biology and control of the Douglas fir beetle Dendroctonus pseudotsugae Hopkins (Coleoptera-Scolytidae) with notes on associated insects [abstract] . Research studies of the State College of Washington 5:103-105.
- Bedard, W. D. 1937c. The biology and control of the Douglas fir beetle Dendroctonus pseudotsugae Hopkins (Coleoptera: Scolytidae) with notes on associated insects. Unpublished dissertation, State College of Washington, Pullman.
- Bedard, W. D. 1937d. The effect of tempering as a means of increasing coldhardiness upon the lipid and moisture content of mountain pine beetle larvae. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1938a. An annotated list of the insect fauna of Douglas fir (Pseudotsuga mucronata Rafinesque) in the Northern Rocky Mountain Region . Canadian Entomologist 70:188-197.
- Bedard, W. D. 1938b. A study of mountain pine beetle infestation in western white pine. United States Department of Agriculture, Forest Service, Forest Insect Laboratory, Coeur d'Alene, Idaho, Unpublished report. 47 p.
- Bedard, W. D. 1938c. Control of the mountain pine beetle by means of chemicals . Journal of Forestry 36:35-40.
- Bedard, W. D. 1938d. Preliminary report concerning the relationship between mountain pine beetle infestations and types of host materials, 1937 investigations. United States Department of Agriculture, Bureau of Entomology, Forest Insect Laboratory, Coeur d'Alene, Idaho.
- Bedard, W. D. 1938e. Preliminary report relative to biological factors in the control of mountain pine beetle, 1937 investigations. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1938f. The relations of lipid and moisture content to coldhardiness of mountain pine beetle larvae. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1938g. Tree injection as a control of the mountain pine beetle in western white pine, 1938 investigations. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
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- Bedard, W. D. 1939b. An investigtion of the apparent effect of road construction on mountain pine beetle infestations in western white pine. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
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- Bedard, W. D. 1940a. A summary of four year's exploratory study of mountain pine beetle infestations in western white pine. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1940b. Some factors influencing mountain pine beetle (Dendroctonus monticolae Hopk.) populations in western white pine. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1942. An experiment in fostering native insect enemies of the mountain pine beetle (Dendroctonus ponderosae Hopk.). United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1950a. The Douglas-fir beetle. United States Department of Agriculture, Circular 817. 10 p.
- Bedard, W. D. 1950b. The Douglas-fir beetle. Its seasonal history, biology, habits and control. United States Department of Agriculture, Forest Service, Forest Insect Field Station, Coeur d'Alene, Idaho. Unpublished report.
- Bedard, W. D., and T. T. Terrell. 1939. A method for predicting the trend of mountain pine beetle infestations in western white pine. United States Department of Agriculture, Bureau of Entomology, Coeur d'Alene, Idaho.
- Bedard, W. D. 1961. Media for the rearing of immature bark beetles (Scolytidae). Unpublished dissertation, University of California, Berkeley. 54 p.
- Bedard, W. D. 1963. Variables affecting the capacity of bark beetles to damage trees, 1962 studies. United States Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, Progress Report 4500 FS-2-EL. 22 p.
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- Bedard, W. D. 1966b. High temperature mortality of the sugarpine cone beetle, Conophthorus lambertianae Hopkins (Coleoptera: Scolytidae) . Canadian Entomologist 98:152-157.
- Bedard, W. D. 1966c. The effect of physical factors on the emergence of scolytids. Page 16 in Seventeenth annual Western Forest Insect Work Conference, Proceedings, 14-17 February 1966, Victoria, British Columbia. United States Department of Agriculture, Forest Service, Region Four, Ogden, Utah. 67 p.
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- Bedard, W. D. 1968a. Additions to the knowledge of the biology of Conophthorus lambertianae Hopkins (Coleoptera: Scolytidae) . Pan-Pacific Entomologist 44:7-17.
- Bedard, W. D. 1968b. The sugar pine cone beetle. United States Department of Agriculture, Forest Service, Forest Pest Leaflet 112. 6 p.
- Bedard, W. D. 1969a. Insect pheromones and attractants. Pages 62-63 in Twentieth annual Western Forest Insect Work Conference, Proceedings, 10-13 March 1969, Coeur d'Alene, Idaho. Canada Department of the Environment, Canadian Forestry Service, Forest Research Laboratory, Victoria, British Columbia. 96 p.
- Bedard, W. D. 1969b. Relations between pines and pine killing bark beetles, chemical attraction, other organisms host resistances and host suitability. Abstract. The International Wood Chemistry Symposium. XI International Botanical Congress, Seattle, Washington, U.S.A. 260 p.
- Bedard, W. D. 1980. Field responses of the western pine beetle and one of its predators to host- and beetle-produced compounds . Journal of Chemical Ecology 6:625-642.
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- Bedard, W. D., P. E. Tilden, K. Q. Lindahl, D. L. Wood, and P. A. Rauch. 1980. Effects of verbenone and trans -verbenol on the response of Dendroctonus brevicomis to natural and synthetic attractant in the field . Journal of Chemical Ecology 6:997-1013.
- Bedard, W. D., P. E. Tilden, D. L. Wood, R. M. Silverstein, R. G. Brownlee, and J. O. Rodin. 1969. Western pine beetle: field response to its sex pheromone and a synergistic host terpene, myrcene . Science 164:1284-1285.
- Bedard, W. D., and D. L. Wood. 1970. Administrative study: field evaluation of synthetic pheromones for suppression and survey of the western pine beetle. United States Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. Unpublished report.
- Bedard, W. D., and D. L. Wood. 1974a. Management of pine bark beetles—a case history. The western pine beetle. Pages 15-20 in T. L. Payne, R. N. Coulson, and R. C. Thatcher (eds.), Southern pine beetle. Texas A and M University Agricultural Experiment Station and Southern Forest Experiment Station, United States Department of Agriculture, Forest Service. 57 p.
- Bedard, W. D., and D. L. Wood. 1974b. Programs utilizing pheromones in survey or control: bark beetles: the western pine beetle. Pages 441-449 in M. C. Birch (ed.), Pheromones. North-Holland Publishing Co., Amsterdam. 495 p.
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- Browne, L. E., D. L. Wood, W. D. Bedard, R. M. Silverstein, and J. R. West. 1979. Quantitative estimates of the western pine beetle attractive pheromone components, exo-brevicomin, frontalin, and myrcene in nature . Journal of Chemical Ecology 5:397-414.
- DeLeon, D., W. D. Bedard, and T. T. Terrel. 1934. Recent discoveries concerning the biology of the mountain pine beetle and their effect on control in western white pine stands. Journal of Forestry 32(4):430-436, 1 fig.
- DeMars, C. J., G. W. Slaughter, W. D. Bedard, N. X. Norick, and B. H. Roettgering. 1980. Estimating western pine beetle caused tree mortality for evaluating an attractive pheromone treatment . Journal of Chemical Ecology 6:853-866.
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- Gustafson, R. W., W. D. Bedard, and D. L. Wood. 1971. Pilot control study, field evaluation of synthetic pheromones for the suppression and survey of the western pine beetle, McCloud Flats, Shasta-Trinity National Forest. United States Department of Agriculture, Forest Service, Branch for Pest Control, San Francisco, California. Unpublished report.
- Gustafson, R. W., W. D. Bedard, and D. L. Wood. 1972. Supplement to pilot control study. Field evaluation of synthetic pheromones for the suppression of the western pine beetle, McCloud Flats, Shasta-Trinity National Forest. United States Department of Agriculture, Forest Service, Branch of Forest Pest Control, San Francisco, California. Unpublished report.
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- Livingston, W. H., W. D. Bedard, A. C. Mangini, and H. G. Kinzer. 1983. Verbenone interrupts attraction of roundheaded pine beetle, Dendroctonus adjunctus (Coleoptera: Scolytidae) . Journal of Economic Entomology 76:1041-1043.
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- Tilden, P. E., W. D. Bedard, D. L. Wood, and H. A. Stubbs. 1981. Interruption of response of Dendroctonus brevicomis to its attractive pheromone by components of the pheromone . Journal of Chemical Ecology 7:183-196.
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- Wood, D. L., L. E. Browne, W. D. Bedard, P. E. Tilden, R. M. Silverstein, and J. O. Rodin. 1968. Response of Ips confusus to synthetic sex pheromones in nature . Science 159:1373-1374.
- Wood, D. L., L. E. Browne, B. Ewing, K. Lindahl, W. D. Bedard, P. E. Tilden, K. Mori, G. B. Pitman, and P. R. Hughes. 1976. Western pine beetle: specificity among enantiomers of male and female components of an attractant pheromone . Science 192:896-898.
- Bedard, W. D., K. Q. Lindahl, P. E. Tildon, and D. L. Wood. 1985. Behavior of the western pine beetle during host colonization . Journal of Chemical Ecology 11:1249-1262.
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- Tilden, P. E., and W. D. Bedard. 1985. Field response of Dendroctonus brevicomis to exobrevicomin, frontalin and myrcene released at two proportions and three levels . Journal of Chemical Ecology 11:757-766.
- Tilden, P. E., and W. D. Bedard. 1988. Effect of verbenone on response of Dendroctonus brevicomis to exo-brevicomin, frontalin, and myrcene . Journal of Chemical Ecology 14:113-122.
- Tilden, P. E., W. D. Bedard, D. L. Wood, and L. E. Browne. 1987. Interruption of response of Dendroctonus brevicomis to attractive pheromone by release of pheromone at several rates and spacings . Journal of Chemical Ecology 13:85-97.
- Wood, D. L., R. W. Stark, W. E. Waters, W. D. Bedard, and F. W. Cobb. 1985. Treatment tactics and strategies. Pages 121-139 in W E. Waters, R. W Stark, and D. L. Wood, Integrated pest management in pine-bark beetle ecosystems. John Wiley & Sons, New York. xvii + 256 p.
- Bedard, W., G. Ferrell, M. Whitmore, and A. Robertson. 1990. Trapping evaluation of beetle vectors of black stain root disease in Douglas fir . The Canadian Entomologist 122:459-468.