; 11 ref. Agency of Natural Resources, Department of Forests, Parks and Recreation., Division of Forestry, Waterbury VT, 26. Information on host(s) Main host(s) Engelmann spruce, ponderosa pine, Rocky Mountain Douglas-fir, subalpine fir, western hemlock. Franklin S, Hudak J, 1989. Minor insect problems. Leidyana canadensis n. sp. Hemlock looper. Lamdina fiscellaria fiscellaria (Guenée) Lepidoptera: Geometridae. Department Agriculture, Forest Biology Division, Forest Biology Laboratory. Otvos IS, MacLeod DM, Tyrrell D, 1973. 88 (10), (587-99). The more important forest insects in 1951 - a summary No. Eastern hemlock looper, the Newfoundland project, 1968, 1969. Effect of saprot on pulping properties of balsam fir killed by the eastern hemlock looper in Newfoundland. Agworld and Greenbook do not provide any guarantee or assurance that the in Forest pest management news. Fredericton, NB. Jaenicke A, 1929. The tree generally reaches heights of about 31 m (102 ft), but exceptional trees have been recorded up to 53 m (174 ft). McNamee P, Raske A, Wedeles C, O’Brien L, Sutherland G, Hudak J, 1992. Conklin J, Hastings A, 1965. For. Entomologia Experimentalis et Applicata, 89(1):87-98; 43 ref. Otvos IS, 1973. 6-7. The Hemlock measuring-worm (Ellopia fiscellaria). (unpublished), 19-20. Proceedings of the IUFRO conference, Zurich and Zuoz, Switzerland, 4-9 September 1978, 157-168; 20 ref. State of New York Conservation Department, 1936. Diet and feeding behaviour. Image 5019082 is of eastern hemlock looper (Lambdina fiscellaria fiscellaria) larva(e). The forest insect situation in the Province of Quebec. Wallingford, UK: CABI, CABI, Undated a. CABI Compendium: Status inferred from regional distribution. Canadian Entomologist, 104(5):751-754; ORS; 9 ref. WHL abbreviation stands for Western Hemlock Looper. In: Annual District Reports, Forest Insect and Disease Survey, British Columbia, 1964, Victoria, BC, Canadian Forestry Service, Can. Journal of Economic Entomology. In: Report of the Twentieth Annual Forest Pest Control Forum, Nov. 17-19, 1992, Ottawa, Canada: 161-164. They pupate from mid-July to end of August. Environment Canada, Canadian Forestry Service, Newfoundland Forest Research Centre. N-X-102, 34 pp. Development of a pheromone-based detection and monitoring system for eastern hemlock looper. 13. USDA, Forest Service Denver CO. Annual Report. Bi-m. Progr. The less common Carolina and mountain hemlock are very close genetically to the Eastern hemlock Tsuga … While they may become functionally extinct in certain areas, I don’t think we’re looking at a true numerical extinction of the species. Silver G, 1962. St. John’s, Newfoundland: The eastern hemlock looper, Lambdina fiscellaria fiscellaria (Guen.) Smith T, 1988. Biological control of forest insects, 1910-1958. 34. American Entomologist, 48(3):178-185; 22 ref. It is by Pennsylvania Department of Conservation and Natural Resources - Forestry . For. 90-104. Fracker S, 1925. The Totem, 5:3-8. Maine Forest Service, Department of Conservation, Insect & Disease Management Division, Technical Report No. Canadian Forestry Service, Newfoundland Forest Research Centre. Hemlock looper. Agricultural Journal of British Columbia, 5:56. Lambdina fiscellaria fiscellaria. In: Information Report, LAU-X-113, Department Natural Resources, Can Forest Service, Quebec Region. Thomas GM, Poinar GO Jr, 1973. Environmental Entomology, 24(4):923-932, Evenden ML, Borden JH, Sickle GAvan, 1995. [5 refs.]. Trial H, 1990. McNamee P, Wedeles C, Sutherland G, 1990. The impact of hemlock looper (Lambdina fiscellaria fiscellaria (Guen.)) Eggs hatch between late May and late June and the young larvae feed on the new foliage; as they mature the later instar larvae will feed on both new and old foliage. Bhiry N, Filion L, 1996. Journal of Entomological Science, 24(3):348-354. Clopton RE, Lucarotti CJ, 1997. British Columbia Ministry of Forests, 1984. Pacific Northwestern Forest and Range Experiment Station, 6. 13-16. Because of its shallow root system, eastern hemlock is very susceptible to drought injury and windthrow and is … Canadian Entomologist, 129(4):613-626; 22 ref. Hood C, 1972. Forest insect and disease conditions in Vermont-calendar year 1991. Report, Pacific Forest Research Centre, Canada, No. It is by USDA Forest Service - Northeastern Area at USDA Forest Service. Power JM, 1991. Harris JWE, 1972. A structure-activity study of the sex pheromone chemistry of the hemlock looper, Lambdina fiscellaria fiscellaria (Gn). Eastern hemlock (Tsuga canadensis), also called Canada hemlock or hemlock spruce, is a slow-growing long-lived tree which unlike many conifers grows well in shade. The western hemlock looper in British Columbia 1911-1980. Well-spaced, even-aged, thrifty stands should be less susceptible and suffer fewer impacts from western hemlock looper defoliation. Find related pest control products, articles and questions on Eastern Hemlock Looper (larvae) Ask A Pro: 866-581-7378 Mon-Fri 9am-5pm ET Live Chat Contact Us Fast Free Shipping On Your Entire Order * McGugan BM, Coppel HC, 1962. Cottrell C, Monts J, 1970. Developmental polymorphism in a Newfoundland population of the hemlock looper, Lambdina fiscellaria (Lepidoptera: Geometridae). Silk PJ, Lonergan GC, Northcott CJ, Nielsen K, Kettela EG, 1993. USDA, Agriculture Research Administration, Bureau of Entomology, Plant Quarantine, Forest Insect Laboratory, Office Report (unpublished). Canadian Entomologist, 104(10):1511-1514. United States Forest Service, 1952. Characterization of the soil hydromorphic conditions in a paludified dunefield during the mid Holocene hemlock decline near Quebec City, Quebec. 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