- Hetrick, L. A. 1933. Some factors in natural control of the southern pine beetle, Dendroctonus brevicomis Zimm . Journal of Economic Entomology 33:554-556.
- Hetrick, L. A. 1940a. Minutes of the 513th regular meeting of the Entomological Society of Washington, 1940. Entomological Society of Washington, Washington, D.C., Proceedings 42:208-240.
- Hetrick, L. A. 1940b. Some factors in natural control of the southern pine beetle, Dendroctonus frontalis Zimm . Journal of Economic Entomology 33:554-556.
- Hetrick, L. A. 1941. Forest insect investigation of the Virginia Agricultural Experiment Station. Abstract. Entomological Society of Washington, Washington, D.C., Proceedings 43:168.
- Hetrick, L. A. 1942. Some observations of Ips bark beetle attack on pine trees . Journal of Economic Entomology 35:181-183.
- Hetrick, L. A. 1943. Ice storm injures pine timber . Southern Planter 104:30.
- Hetrick, L. A. 1949a. Some overlooked relationships of southern pine beetle . Association of Southern Agricultural Workers, Proceedings 46:93-94.
- Hetrick, L. A. 1949b. Some overlooked relationships of southern pine beetle . Journal of Economic Entomology 42:466-469.
- Hetrick, L. A. 1949c. Susceptibility of pine trees to bark beetle attack . Arborist's News 14:149-151.
- Hetrick, L. A. 1957. Two promising new chemicals for control of insects attacking freshly-cut pine wood. Station to Station Research News 3(4). Crag Agricultural Chemicals Research News (Union Carbide Chemicals Company) 3(4):1-3.
- Hetrick, L. A. 1960. Factors that contribute to pine bark beetle attack . Forest Farmer 1912, 16.
- Hetrick, L. A. 1967. Sex ratios of Platypus (Coleoptera, Platypodidae). Entomological Society of Washington, Washington, D.C., Proceedings 69(3):297.
- Hetrick, L. A., and P. J. Moses. 1953. Value of insecticides for protection of pine pulpwood . Journal of Economic Entomology 46:160.