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POPILLIA JAPONICA (COLEOPTERA: SCARABAEIDAE): DISTRIBUTION AND MOVEMENT OF ADULTS IN HETEROGENEOUS ENVIRONMENTS

Published online by Cambridge University Press:  31 May 2012

Jacques Régnière
Affiliation:
Canadian Forestry Service, Great Lakes Forest Research Centre, Sault Ste Marie, Ont, P6A 5M7
Robert L. Rabb
Affiliation:
Department of Entomology, North Carolina State University, Raleigh, North Carolina 27650
R. E. Stinner
Affiliation:
Department of Entomology, North Carolina State University, Raleigh, North Carolina 27650

Abstract

Adult Japanese beetle populations were sampled continuously during the summers of 1978 and 1979 in two agricultural stations in eastern North Carolina. Patterns in trap capture were used to develop a conceptual model of the movements of this insect in agricultural areas. A partition of land area is proposed, based on four categories of sites from the point of view of suitability to this insect's reproduction and survival: (1) intensive production sites, (2) marginal production sites, (3) migration alleys, and (4) adult feeding sites. This partition is suggested as a framework for discussion and study of the population dynamics of the insect.

Résumé

Au cours des étés 1978 et 1979, deux populations adultes du scarabée japonais ont été échantillonnées de façon continue dans deux zones agricoles de l'est de la Caroline du nord. Les données sur l'abondance et l'activité des adultes ont permis de développer un modèle conceptuel de la distribution et du mouvement de cet insecte en milieu agricole. On a proposé la distinction de quatre catégories de sites, fondées sur leurs propriétés au point de vue de la reproduction et de la survie de l'insecte : (1) sites de production intensive, (2) sites de production marginale, (3) voies de migration, et (4) sites d'alimentation des adultes. Ces catégories sont suggérées comme une base sur laquelle discuter et étudier la dynamique des populations de l'insecte.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1983

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