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Comparaison des Fécondités et des Pontes d'Acanthoscelides Obtectus say (Col., Bruchidae) en Présence de Graines et de Gousses de Phaseolus Vulgaris L.

Comparaison des Fécondités et des Pontes d'Acanthoscelides Obtectus say (Col., Bruchidae) en... Summary The fecundity of fertilised females of Acanthoscelides obtectus is higher in presence of Phaseolus vulgaris pods than in presence of bean seeds. Results are more homogeneous when females are in presence of pods. However, some eggs are laid outside the pods. On average, pods offer a more reliable group of signals than do bean seeds to ensure a sustained activity in egg laying behaviour. Variation in responses shows that there is a remarkable polymorphism within this species with respect to its requirements for egg laying conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annales de la Société entomologique de France (N S ) Taylor & Francis

Comparaison des Fécondités et des Pontes d'Acanthoscelides Obtectus say (Col., Bruchidae) en Présence de Graines et de Gousses de Phaseolus Vulgaris L.

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Publisher
Taylor & Francis
Copyright
© 1980 Société entomologique de France
ISSN
2168-6351
eISSN
0037-9271
DOI
10.1080/21686351.1980.12278247
Publisher site
See Article on Publisher Site

Abstract

Summary The fecundity of fertilised females of Acanthoscelides obtectus is higher in presence of Phaseolus vulgaris pods than in presence of bean seeds. Results are more homogeneous when females are in presence of pods. However, some eggs are laid outside the pods. On average, pods offer a more reliable group of signals than do bean seeds to ensure a sustained activity in egg laying behaviour. Variation in responses shows that there is a remarkable polymorphism within this species with respect to its requirements for egg laying conditions.

Journal

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

Published: Jul 31, 1980

Keywords: Coleoptera; Bruchidae; Acanthoscelides; obtectus; comportement de ponte; fécondité; relations plante-hôte

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