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Determination of Sex of the Douglas-fir Beetle Dendroctonus pseudotsugae Hopkins (Coleoptera: Scolytidae)1

Published online by Cambridge University Press:  31 May 2012

Orlo K. Jantz
Affiliation:
Department of Entomology, Oregon State University, Corvallis
Richard L. Johnsey
Affiliation:
Department of Entomology, Oregon State University, Corvallis

Abstract

A comparison of four sex determination methods shows that microscopic observation of the elytral declivity is the most accurate and rapid method for sexing large quantities of Douglas-fir beetles.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1964

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References

Chapman, J. A. 1955. Sex determination by stridulation sounds in the Douglas-fir beetle, Dendroctonus pseudotsugae. Can. Dep. Agric., Sci. Serv., For. Biol. Div. Bi-mon. Progr. Rep. 11: 14.Google Scholar
Hopkins, A. D. 1909. Contributions toward a monograph of the scolytid beetles. I. The genus Dendroctonus. U.S. Dep. Agric. Tech. Ser. 17 (1), 164 pp.Google Scholar
Hopkins, A. D. 1909. Practical information on the scolytid beetles of North American forests. I. Bark beetles of the genus Dendroctonus. U.S. Dep. Agric. Bur. Ent. Bull. 83 (1), 169 pp.Google Scholar
Johnson, Norman E. 1960. Douglas-fir beetle: A problem analysis. Weyerhaeuser For. Res. Note 29, 19 pp.Google Scholar
Lyon, R. L. 1958. A useful secondary sex character in Dendroctonus bark beetles. Canad. Ent. 90: 582584.CrossRefGoogle Scholar
Wood, Stephen L. 1963. A revision of the bark beetle genus Dendroctonus Erichson (Coleoptera : Scolytidae). Gr. Basin Nat. 23: 1117.Google Scholar