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Biology of Apanteles taragamae Viereck (Hymenoptera: Braconidae) a parasitoid of Diaphania indica (Saunders) (Lepidoptera: Pyralidae)

Published online by Cambridge University Press:  19 September 2011

Clement Peter  and
B. V. David
Clement Peter
Affiliation:
Fredrick Institute of Plant Protection and Toxicology, Padappai 601 301, Tamil Nadu, India
B. V. David
Affiliation:
Fredrick Institute of Plant Protection and Toxicology, Padappai 601 301, Tamil Nadu, India
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Abstract

Studies were conducted for the first time on the gregarious endoparasitoid, Apanteles taragamae Viereck (Hymenoptera: Braconidae) to determine its biology on Diaphania indica (Saunders) (Lepidoptera: Pyralidae). The mean number of eggs laid per host was 24.63 and these eggs increased greatly in size before hatching. Larva passes through three instars as determined by the shape and size of the mandibles. Mean development time from egg to adult was 15.6 days at 24.26°C and 80–85% r.h. The mean number of adults emerging from each host was 14.61 and the sex ratio was 1:1.31 (males:females). The mean number of eggs laid by each female was 242.6. Mean adult longevity on 20% honey was 9.30 days for males and 10.70 for females.

Résumé

Pour la première fois on a mené des études sur l'endoparasitoid grégaire, Apanteles taragamae Viereck (Hymenoptera: Braconidae) pour detérminer sa biologie sur Diaphania indica (Saunders) (Lepidoptera: Pyralidae). Le nombre moyen d'oeufs pondus par hôte était 24.63 et ces oeufs out considérablement grandi avant la couvée. La larve passe par trois étapes en fonction de la forme et la taille des mandibules. Le temps moyen de développement de l'ouefs à l'adulte était 15.6 jours à 24.26°C et 80–85% r.h. Le nombre moyen des adultes qui sortaient de chaque hôte était 14.61 et la proportion de sexe était 1:1.31 (mâles:femelles). Le nombre moyen d'oeufs pondus par chaque femelle par hôte était 242.6. La longévité moyenne d'adulte sur une solution de miel de 20% était 930 jours pour mâles et 10.70 jours pour femelles.

Keywords

Apanteles taragamaeDiaphania indicabiologyApanteles taragamaeDiaphania indicabiologie
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 13 , Issue 1 , February 1992 , pp. 7 - 17
Copyright
Copyright © ICIPE 1992

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