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THE SITE OF PHEROMONE PRODUCTION IN TRYPODENDRON LINEATUM (COLEOPTERA: SCOLYTIDAE): BIO-ASSAY AND HISTOLOGICAL STUDIES OF THE HINDGUT1

Published online by Cambridge University Press:  31 May 2012

I. Schneider  and
J. A. Rudinsky
I. Schneider
Affiliation:
Department of Entomology, Oregon State University, Corvallis
J. A. Rudinsky
Affiliation:
Department of Entomology, Oregon State University, Corvallis
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Abstract

Bio-assay showed that the pheromone of attractive female Trypodendron lineatum (Oliv.) must be produced in the posterior part of the ileum. Histological studies revealed a layer of secretory cells in the rear part of the ileum and the rectal valve which occur only in feeding adults. The attractive material is produced only when bark and wood particles are present at the site of pheromone production, and the actual production is initiated probably by activity of a female hormone or enzyme.

Type
Articles
Information
The Canadian Entomologist , Volume 101 , Issue 11 , November 1969 , pp. 1181 - 1186
Copyright
Copyright © Entomological Society of Canada 1969

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References

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