Interactions between a braconid,Microplitis croceipes,and a fungus,Nomuraea rileyi,in laboratory-reared bollworm larvae |
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Authors: | Edgar G. King James V. Bell |
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Affiliation: | Bioenvironmental Insect Control Laboratory, Agricultural Research Service, United States Department of Agriculture, Stoneville, Mississippi 38776 USA |
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Abstract: | The parasite Microplitis croceipes required 1.1 days longer at 26°C to complete development in Heliothis zea larvae than was required for the fungus Nomuraea rileyi to kill the host larvae and sporulate. Host larvae parasitized by M. croceipes or infected with N. rileyi failed to complete a fifth larval molt or pupate. Of the remaining healthy larvae, one-half completed six larval stadia before popation. Larvae parasitized by M. croceipes were predisposed to infection by N. rileyi, but the fungus inhibited development of M. croceipes if host larvae were infected with N. rileyi within 1 day after parasitization. |
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Keywords: | braconid parasite mycopathogen bollowrms |
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