Abstract
Studies were conducted on the biology of the recently described Goniozus sensorius Gordh (Hymenoptera: Bethylidae), a gregarious ectoparasitoid of Diaphania indica (Saunders) (Lepidoptera: Pyralidae). Eggs are laid after temporarily paralyzing the host. Mean development time from egg to adult is 11.96 days at 26.43 and 65.08% r.h. The female lays an average of 50.1 eggs during its life time and parasitizes 7.26 hosts on average. The sex ratio is 1:3.91, males.-females. Mean adult longevity is almost similar for males (8.55 days) and females (9.81 days). Aphanogmus fijiensis (Ferriere) (Hymenoptera: Ceraphronidae) was recorded as a hyperparasitoid through G. sensorius.
Fr
Résumé—Des recherches ont été conduites sur la biologie de Goniozus sensorius Gordh (Hymenoptera:Bethylidae), ectoparasitoïde grégaire récemment décrit de Diaphania indica Saunders (Lepidoptera:Pyralidae). Les oeufs sont pondus après une paralysie temporaire de l’hôte. Le cycle bilogique dure en moyenne 11,96 jours à 26,43° à 65,08% HR. La femelle pond en moyenne 50,1 oeufs dans sa vie et parasite en moyenne 7,26 hôtes. Le sex ratio est de 1:3,91 mâles:femelles. La durée de vie sensiblement comparable dans les deux sexes est égale à 8,56 jours pour les mâles et 9,81 jours pour les femelles. Aphanogmus fijiensis (Ferriere) (Hymenoptera:Ceraphronidae) a été décrit comme étant hyperparasitoïde de G. sensorius.
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Part of a Ph.D. thesis submitted to the University of Madras by the first author.
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Peter, C., David, B.V. Biology of Goniozus Sensorius Gordh (Hymenoptera: Bethyudae) A Parasitoid Of The Pumpkin Caterpillar, Diaphania Indica (Saunders) (Lepidoptera: Pyralidae). Int J Trop Insect Sci 12, 339–345 (1991). https://doi.org/10.1017/S174275840001119X
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DOI: https://doi.org/10.1017/S174275840001119X