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A Propos de l'Instinct Botanique des Insectes: un Aspect de la Co-Évolution des Plantes et des Insectes (1)

A Propos de l'Instinct Botanique des Insectes: un Aspect de la Co-Évolution des Plantes et... Summary The selection by phytophagous insects of host plants which have a certain botanical relationship (botanical instinct) may be dependent on the presence or the absence of specific chemical compounds (glucosides, alcaloids, terpenes, etc.) known today as « allelochemical compounds ». Not only the feeding behaviour but sometimes every part of the life cycle of these insects can be under the control of these allelochemicals, as revealed by the study of sexual pheromones in some lepidopterous insects; pheromones which are produced in the host plant and selectively extracted by the Insect. This complexity in the relations between plants and Insects appears to be the results of co-evolution presently expressed in an apparently balanced situation between a strategy of chemical defense by plants against phytophagous Insects and the adaptive responses of Insects towards these chemical compounds. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annales de la Société entomologique de France (N S ) Taylor & Francis

A Propos de l'Instinct Botanique des Insectes: un Aspect de la Co-Évolution des Plantes et des Insectes (1)

18 pages

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Publisher
Taylor & Francis
Copyright
© 1980 Société entomologique de France
ISSN
2168-6351
eISSN
0037-9271
DOI
10.1080/21686351.1980.12278251
Publisher site
See Article on Publisher Site

Abstract

Summary The selection by phytophagous insects of host plants which have a certain botanical relationship (botanical instinct) may be dependent on the presence or the absence of specific chemical compounds (glucosides, alcaloids, terpenes, etc.) known today as « allelochemical compounds ». Not only the feeding behaviour but sometimes every part of the life cycle of these insects can be under the control of these allelochemicals, as revealed by the study of sexual pheromones in some lepidopterous insects; pheromones which are produced in the host plant and selectively extracted by the Insect. This complexity in the relations between plants and Insects appears to be the results of co-evolution presently expressed in an apparently balanced situation between a strategy of chemical defense by plants against phytophagous Insects and the adaptive responses of Insects towards these chemical compounds.

Journal

Annales de la Société entomologique de France (N S )Taylor & Francis

Published: Jul 31, 1980

Keywords: Insectes phytophages; plantes-hôtes; comportement alimentaire; composés allélochimiques; organes sensoriels chimio-récepteurs; phéromones; co-évolution plantes-insectes; Lépidoptères Papilionidea; Orthoptères Acridoidea; Tordeuse du Chêne; Pyrale du maīs; Pucerons des Crucifères

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