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Sex ratio of Campoletis chlorideae Uchida in response to Helicoverpa armigera (Hubner) density

Sex ratio of Campoletis chlorideae Uchida in response to Helicoverpa armigera (Hubner) density

Insect Science and its Application 20(1): 73-76

Experiments were conducted to elucidate the effect of host density on sex ratio of parasitoid offspring, using Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) and its endoparasitoid Campoletis chlorideae Uchida (Hymenoptera: Ichneumonidae). The sex ratio of Campoletis chlorideae was female-biased showing a linear decrease with increasing parasitoid density at fixed host densities.

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Accession: 003558929

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