Bionomics ofTrioxys (Binodoxys) indicus, an Aphidiid Parasitoid ofAphis craccivora.15. Influence of Parasitoid's Age on its Rate of Oviposition and the Sex Ratio of the Offspring

Abstract
The rate of oviposition of Trioxys indicus was unaffected by parental age, while the sex ratio (favouring the female) of the offspring of the parasitoid decreased with increase in parental age. For the release of T. indicus to control Aphis craccivora, the mummy stage of the parasitoid is suggested while for rearing practices the use of freshly emerged or one day old mated females is emphasised.

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