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RELATIVE ABUNDANCE AND SEASONAL OCCURRENCE OF CORTICEUS GLABER AND CORTICEUS PARALLELUS (COLEOPTERA: TENEBRIONIDAE), ASSOCIATES OF THE SOUTHERN PINE BEETLE, DENDROCTONUS FRONTALIS (COLEOPTERA: SCOLYTIDAE)

Published online by Cambridge University Press:  31 May 2012

Michael T. Smith  and
Richard A. Goyer
Michael T. Smith
Affiliation:
Department of Entomology, Louisiana Agricultural Experiment Station, Louisiana State University, Baton Rouge 70803
Richard A. Goyer
Affiliation:
Department of Entomology, Louisiana Agricultural Experiment Station, Louisiana State University, Baton Rouge 70803
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Abstract

In southern Louisiana, Corticeus glaber (LeConte) outnumbered Corticeus parallelus (Melsheimer) 3.7:1 during 15-month study from October 1976 to December 1977. Corticeus spp. varied significantly (P < 0.01) among the 52 sample dates and three sample heights on infested tree boles. Corticeus spp. were significantly correlated with numbers of southern pine beetle eggs, Dendroctonus frontalis Zimmermann, in the bottom and middle samples but not in the top sample. Corticeus glaber peak arrival occurred from 14 days prior to 14 days following pine beetle mass attack, while C. parallelus peak arrival occurred from 7 days prior to 10 days following pine beetle mass attack.

Type
Articles
Information
The Canadian Entomologist , Volume 112 , Issue 5 , 01 May 1980 , pp. 515 - 519
Copyright
Copyright © Entomological Society of Canada 1980

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