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STUDIES OF PHYSIOLOGICALLY ACTIVE ARTHROPOD SECRETIONS: VI. EVIDENCE FOR A SEX PHEROMONE IN FEMALE ORGYIA LEUCOSTIGMA (LEPIDOPTERA: LYMANTRIDAE)12

Published online by Cambridge University Press:  31 May 2012

Miss J. E. Percy
Affiliation:
Insect Pathology Research Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario2
Miss E. J. Gardiner
Affiliation:
Insect Pathology Research Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario2
J. Weatherston
Affiliation:
Insect Pathology Research Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario2

Abstract

The results of behavioural, chemical, and histological studies are reported showing the presence of a sex attractant in female Orgyia leucostigma J. E. Smith. A method of bioassaying the attractancy of the female moths by the use of 4-ft-long glass tubes is given. Extraction of female abdominal tips with dichloromethane yields material biologically active when tested against male O. leucostigma.The pheromone-producing gland is a dorsally situated, crescent-shaped structure formed by modification of the epidermal cells in the intersegmental membrane between the eighth and ninth abdominal segments. The glandular cells are goblet-shaped and are arranged in an unusual manner.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1971

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