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AN OVIPOSITION MODEL FOR THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)

Published online by Cambridge University Press:  31 May 2012

Jacques Régnière
Jacques Régnière
Affiliation:
Canadian Forestry Service, Great Lakes Forest Research Centre, Sault Ste. Marie, Ontario P6A 5M7
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Abstract

A process-oriented model was developed to describe the oviposition of the spruce budworm, Choristoneura fumiferana (Clem.), on an individual and a population basis. The model simulates the effects of temperature on female longevity, oogenesis, and oviposition. The model is structured for ease of incorporation of additional processes such as emigration, immigration, mating, and other behavioral reductions in oviposition activity. Simulation results, at both the individual and the population levels, are compared with laboratory and field data. This model is an element of a model of spruce budworm biology currently under development but, by itself, can be used to study the effects of temperature and dispersal on the fecundity of spruce budworm populations.

Résumé

Un modèle détaillé a été développé pour décrire l'oviposition de la tordeuse des bourgeons de l'épinette, Choristoneura fumiferana (Clem.), tant au niveau des individus que des populations. Ce modèle simule les effets de la température sur la longévité, l'ovogenèse, et l'oviposition. Le modèle est structuré de façon à faciliter la considération ultérieure de processus additionnels tels l'émigration, l'immigration, l'accouplement, et autres réductions de fécondité dûes au comportement. Les résultats de simulations faites au niveau individuel ou collectif sont comparés à des données appropriées de laboratoire et de terrain. Le modèle est un élément d'un modèle de la biologie de la tordeuse présentement en développement. Cependant, il est jugé utile comme outil dans l'étude de l'effet de la température et de la migration des adultes sur la fécondité des populations de l'insecte.

Type
Articles
Information
The Canadian Entomologist , Volume 115 , Issue 10 , October 1983 , pp. 1371 - 1382
Copyright
Copyright © Entomological Society of Canada 1983

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