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EVIDENCE FOR MATE CHOICE BY MALE BAGWORMS, OIKETICUS KIRBYI (GUILDING) (LEPIDOPTERA: PSYCHIDAE)

Published online by Cambridge University Press:  31 May 2012

Marc Rhainds
Affiliation:
Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Gerhard Gries*
Affiliation:
Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
Rolbin Rodriguez
Affiliation:
Palma Tica / ASD de Costa Rica, Apdo 30-1000, San José, Costa Rica
*
1 Author to whom correspondence should be addressed.

Abstract

In field and cage experiments in a Costa Rican oil palm plantation, the largest, most fecund female bagworms, Oiketicus kirbyi, had the greatest mating success. Differential mating success of small and large females may be attributed to mate choice by males or to competition between protogynous females for access to males.

Résumé

Des expériences au champ et en cage dans des plantations de palmier à huile au Costa Rica ont indiqué que le succès d’accouplement et la fécondité des femelles du psychide Oiketicus kirbyi augmentent avec la taille des femelles. Le plus grand succès d’accouplement des grosses femelles est attribuable soit à un comportement d’accouplement sélectif de la part des mâles, soit à une compétition entre les femelles protogynes pour attirer les mâles.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1995

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