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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  and
Richard L. Johnsey
Orlo K. Jantz
Affiliation:
Department of Entomology, Oregon State University, Corvallis
Richard L. Johnsey
Affiliation:
Department of Entomology, Oregon State University, Corvallis
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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
Information
The Canadian Entomologist , Volume 96 , Issue 10 , October 1964 , pp. 1327 - 1329
Copyright
Copyright © Entomological Society of Canada 1964

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References

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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
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Johnson, Norman E. 1960. Douglas-fir beetle: A problem analysis. Weyerhaeuser For. Res. Note 29, 19 pp.Google Scholar
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