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ON THE BIOLOGY OF HYLASTES NIGRINUS (COLEOPTERA: SCOLYTIDAE) IN WESTERN OREGON1

Published online by Cambridge University Press:  31 May 2012

O. Zethner-Møller
Affiliation:
Department of Entomology, Oregon State University, Corvallis
J. A. Rudinsky
Affiliation:
Department of Entomology, Oregon State University, Corvallis

Abstract

During 1965–66, studies of a large population of Hylastes nigrinus (Mannerheim), breeding in roots and stumps of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, killed by Dendroctonus pseudotsugae Hopkins in 1964, were conducted on Marys Peak in western Oregon, near the city of Corvallis.

The emergence and flight of H. nigrinus were at their maximum in late April and early May. Emergence was strongly influenced by temperature and seldom occurred at temperatures below 61° and above 75°F. Flight behavior was strongly affected by light intensity, peaking at intensities between 300 and 1200 ft-c during the late afternoon or early evening. Maturation feeding was found to take place on small roots of dead, old Douglas-fir and on roots of young Douglas-fir weakened after replanting. Egg-galleries, normally running parallel with the grain of the wood, were initiated in June and eggs were kid from the end of that month. Five larval instars were found. Adult beetles as well as full-grown larvae overwintered in the galleries. The majority of the population completed development in 1 year.

The larval population of H. nigrinus was heavily decimated during the fall of 1965 by larvae of the dipteron fly, Medetera vidua Wheeler (Doliohopodidae). Emergence data are presented for scolytid, curculionid, cerambycid, and buprestid species competing with H. nigrinus in stumps or roots.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1967

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References

Balachowsky, A. 1949. Faune de France. 50. Coléoptères. Scolytides. P. Lechevalier, Paris. pp. 127133.Google Scholar
Blackman, M. W. 1941. Bark beetles of the genus Hylastes Erichson in North America. U.S. Dep. Agric. Misc. Publ. 417.Google Scholar
Boas, J. E. V. 1923. Dansk Forstzoologi, 2. udg. Gyldendal Kobenhavn. pp. 320323.Google Scholar
Chamberlin, W. J. 1958. The Scolytoidea of the Northwest. Oregon, Washington, Idaho and British Columbia. Oregon State College Press, Corvallis. pp. 114117.Google Scholar
Chapman, J. A. 1962. Attacks by the bark beetle, Hylastes nigrinus Mannh. (Scolytidae) on Douglas-fir logs. Bi-mon. Prog. Rep. Div. Forest Biol., Ottawa, No. 18(6). p. 4.Google Scholar
Chararas, C. 1962. Étude biologique des scolytides des conifèrs. Encyclopédie Entomologique 38. P. Lechevalier, Paris. pp. 299307.Google Scholar
Daterman, G. E., Rudinsky, J. A., and Nagel, W. P.. 1965. Flight patterns of bark and timber beetles associated with coniferous forests of western Oregon Corvallis: Oregon St. Univ. Agric. Exp. Stn Tech. Bull. 87.Google Scholar
Forbes, W. T. M. 1953. Note on multimodal curves. Ann. ent. Soc. Am. 46: 221224.CrossRefGoogle Scholar
Johnsey, R. L., Nagel, W. P., and Rudinsky, J. A.. 1965. The diptera Medetera aldrichii Wheeler (Dolichopodidae) and Lonchaea furnissi McAlpine (Lonchaeidae) associated with the Douglas-fir beetle in western Oregon and Washington. Can. Ent. 97: 521527.CrossRefGoogle Scholar
Lekander, B. 1965. On Hylastes ater Payk. and Hylastes brunneus Er. (Col. Scolytidae). Ent. Tidskr. 86: 184195.Google Scholar
Merker, E., and Sattler, G.. 1952. Biologische Beobachtungen am Fichtenbastkäfer, Hylastes cunicularius, sowie Notizen über den Dryocoetes autographus. Allg. Forst -u. Jagdztg. 123: 135143.Google Scholar
Munro, J. W. 1917. The genus Hylastes Er. and its importance in forestry. Proc. R. phys. Soc. Edinb. 20: 123158.Google Scholar
Munro, J. W. 1926. British bark-beetles. Forestry Comm. Bull. (London). No. 8. pp. 5457.Google Scholar
Nuorteva, M. 1956. Über den Fichtenstamm-Bastkäfer, Hylurgops palliatus Gyll., und seine Insektenfeinde. Acta Ent. Fann 13: 1118.Google Scholar
Pfeffer, A. 1955. Fauna ČSR. Kůrovci-Scolytoidea. (Řád: Brouci-Coleoptera). Čsl. Akademie Věd. Praha. pp. 105118.Google Scholar
Rudinsky, J. A. 1966. Scolytid beetles associated with Douglas-fir. Response to terpenes. Science, N.Y. 152(3719): 218219.CrossRefGoogle ScholarPubMed
Rudinsky, J. A., and Zethner-Møller, O.. Olfactory responses of Hylastes nigrinus (Coleoptera: Scolytidae) to various host materials. Can. Ent. This issue.Google Scholar
Saalas, U. 1923. Die Fichtenkäfer Finnlands. Ann. Acad. Sci. Fenn. Ser. A. Tom. 22. No. 1. Vol. II: 521525.Google Scholar
Spessivtseff, P. 1934. Zur Lebensweise des schwarzen Fichtenbastkäfers (Hylastes cunicularius Er.). Svenska Skogsv. For. Tidskr. 2: 207220.Google Scholar
Swaine, J. M. 1918. Canadian bark-beetles. Part II. A preliminary classification, with an account of the habits and means of control. Dom. Can. Dep. Agric. Ent. Br. Bull. 14. pp. 7780.Google Scholar
Wheeler, W. M. 1899. New species of Dolichopodidae from the United States. Proc. Calif. Acad. Sci. 2 (Ser. 3): 185.Google Scholar