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Microplitis croceipes
''Microplitis croceipes'' is a braconid wasp native to the US state of Georgia. It is an important parasitoid of caterpillars, including those of major agricultural pests ''Helicoverpa zea'' (formerly called ''Heliothis zea'') and ''Heliothis virescens''.
''M. croceipes'' uses its antennae to detect the odor of caterpillar feces. The wasp deposits a single egg inside the caterpillar; as the wasp larvae mature they feed on the caterpillar, which weakens and dies after the larvae emerge and pupate. Adult wasps emerge from their cocoons about a week after cocoon formation.
Because the olfactory system of ''M. croceipes'' is linked to its taste receptors, wasps can be trained to respond to the smell of an arbitrary chemical if the smell is repeatedly presented in association with food (sugar water or corn borers).〔 The smell of "food" triggers a characteristic pattern of activity, a short-range host-seeking response.〔 Researchers have said that ''M. croceipes'' has great potential for use as a biological sensor "due to its ability to be conditioned, respond and discriminate target odors from background odors."〔 The Wasp Hound "portable nose" device depends on trained ''M. croceipes'' as its biosensor.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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