Bionomics of an Aphidiid Parasitoid Trioxys indicus Subba Rao & Sharma. 33. Impact of Food Plants on the Behaviour of and Sex Allocation by the Female Parasitoid at Varying Densities
作者： Neelima Bhatt , Rajendra Singh
DOI: 10.1080/01448765.1991.9754552
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摘要: ABSTRACT The present work was undertaken to evaluate the influence of three cucurbit food plants, Lagenaria vulgaris, Luffa cylindrica and Cucurbita maxima on behaviour sex allocation by female parasitoid Trioxys indicus at varying densities its host Aphis gossypii. Food plant species density did not percentage emergence from mummies; however, both had a significant total number mummies yielded or adults which emerged. Increasing decreased searching efficiency each fed host. values interference constant m higher L. C. maxima-fed hosts than vulgaris-fed those plants. K-values for mortality due parasitism were lower all densities. More 50% diploid eggs deposited in feeding vulgaris (54.5–67...
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