- Langor, D., and A. G. Raske. 1984. Eastern larch beetle being studied. Woody Points, Newfoundland Forest Research Centre, St. John's 13(1):5-6.
- Langor, D. W. 1984. Flight ability of re-emerging eastern larch beetles, Dendroctonus simplex LeConte (Coleoptera: Scolytidae), following egg gallery formation and oviposition in tamarack, Larix laricina (Du Roi) K. Koch, in Newfoundland [Abstract]. Entomological Society of Alberta, 32nd annual meeting: proceedings. Mount Royal College, Calgary Alberta. 52 p.
- Langor, D. W. 1985. Ecology of the eastern larch beetle, Dendroctonus simplex LeConte (Coleoptera: Scolytidae), in Newfoundland. Unpublished thesis, University of Newfoundland, St. Johns, Newfoundland. xvi + 197 p.
- Langor, D. W. 1987. Flight muscle changes in the eastern larch beetle, Dendroctonus simplex LeConte (Coleoptera: Scolytidae) . Coleopterists Bulletin 41:351-357.
- Langor, D. W. 1988. Host effects on the population genetics and dynamics of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) . International Congress of Entomology, Proceedings 18:431.
- Langor, D. W. 1989. Host effects on the phenology, development, and mortality of field populations of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) . Canadian Entomologist 12:149-157.
- Langor, D. W. 1991. Arthropods and nematodes co-occurring with eastern larch beetle, Dendroctonus simplex (Col, Scolytidae) in Newfoundland . Entomophaga 36:303-313.
- Langor, D. W., and A. G. Raske. 1987a. Emergence, host attack, and overwintering behaviour of the eastern larch beetle, Dendroctonus simplex LeConte (Coleoptera: Scolytidae), in Newfoundland . Canadian Entomologist 119:975-983.
- Langor, D. W., and A. G. Raske. 1987b. Reproduction and development of the eastern larch beetle, Dendroctonus simplex LeConte (Coleoptera: Scolytidae), in Newfoundland . Canadian Entomologist 119:985-992.
- Langor, D. W., and A. G. Raske. 1988a. Annotated bibliography of the eastern larch beetle, Dendroctonus simplex LeConte (Coleoptera: Scolytidae). Government of Canada, Canadian Forestry Service, Newfoundland Forestry Centre, St. Johns, Newfoundland, Information Report N-X-266. 38 p.
- Langor, D. W., and A. G. Raske. 1988b. Mortality factors and life tables of the eastern larch beetle, Dendroctonus simplex (Coleoptera: Scolytidae) in Newfoundland . Environmental Entomology 17:959-963.
- Langor, D. W., and A. G. Raske. 1989a. A history of the eastern larch beetle Dendroctonus simplex (Coleoptera: Scolytidae) in North America . Great Lakes Entomologist 22:139-154.
- Langor, D. W., and A. G. Raske. 1989b. The eastern larch beetle, another threat to our forests (Coleoptera: Scolytidae) . Forestry Chronicle 1989:276-279.
- Langor, D. W., and J. R. Spense. 1991. Host effect on allozyme and morphological variation of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) . Canadian Entomologist 123:395-410.
- Langor, D. 1991. Arthropods and nematodes co-occurring with the eastern larch beetle Dendroctonus simplex (Col: Scolytidae), in Newfoundland . Entomophaga 36:303-314.
- Langor, D. 1994. Western ash bark beetle. Natural Resources Canada, Canadian Forestry Service, Northwest Region, Northern Forestry Centre (Edmonton, AB), Leaflet 24.
- Langor, D., and C. Hergert. 1993. Life history, behaviour, and mortality of the western ash bark beetle, Hylesinus californicus (Swaine) (Coleoptera: Scolytidae), in southern Alberta . The Canadian Entomologist 125:801-814.
- Langor, D., and J. Spence. 1991. Host effects on allozyme and morphological variation of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) . The Canadian Entomologist 123:395-410.
- Langor, D., J. Spence, and G. Pohl. 1990. Host effects on fertility and reproductive success of Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) . Evolution 44:609-618.
- Hiratsuka, Y., D. Langor, and P. Crane. 1995. A field guide to forest insects and diseases of the prairie provinces. Natural Resources Canada, Canadian Forest Service, Northwest Region, Northern Forestry Centre (Edmonton, Alberta), Special Report 3. 297 pp.