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A morphometric comparison of aphid mummies containing diapausing vs. non-diapausing larvae of Aphidius rhopalosiphi (Hymenoptera: Braconidae, Aphidiinae)

Published online by Cambridge University Press:  10 July 2009

Liliane Krespi ,
Charles A. Dedryver ,
Jean Michel Rabasse  and
Jean Pierre Nénon
Liliane Krespi*
Affiliation:
Laboratoire d'Entomologie Fondamentale et Appliquée, Université de Rennes 1, France
Charles A. Dedryver
Affiliation:
INRA, Laboratoire de Zoologie, Le Rheu, France
Jean Michel Rabasse
Affiliation:
INRA, Laboratoire de Biologie des Invertébrés, Antibes Cédex, France
Jean Pierre Nénon*
Affiliation:
Laboratoire d'Entomologie Fondamentale et Appliquée, Université de Rennes 1, France
*
Laboratoire d'Entomologie Fondamentale et Appliquée, Université de Rennes 1, Campus de Beaulieu. Av. du Général Leclerc, 35042 – Rennes Cédex, France.
Laboratoire d'Entomologie Fondamentale et Appliquée, Université de Rennes 1, Campus de Beaulieu. Av. du Général Leclerc, 35042 – Rennes Cédex, France.
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Abstract

The morphology and ultrastructure of aphid mummies formed by diapausing and non-diapausing larvae of Aphidius rhopalosiphi De Stefani Perez, are described. Two types of silk thread were present in both types of cocoons: well-structured rounded threads, and flat threads which form a gum coating. Differences in thecocoon weight were observed depending on parasitoid development. A morphometric characterization of the two groups of mummies is given.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 84 , Issue 1 , March 1994 , pp. 45 - 50
Copyright
Copyright © Cambridge University Press 1994

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