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Eighteen Acrostenum hilare (Say) adults were infested in the laboratory with Nematospora coryli Peglion, the yeast-spot disease organism of soybeans, and transmitted N. coryli to soybeans in 60% of their feedings. Six insects transmitted in more than 70% of their feedings; one, 79%. Noninfested green stink bug adults became infested with N. coryli in the field by feeding on berries of dogwood, cornus drummondi Meyer, and soybeans previously fed on by laboratory-infested green stink bugs. Of adult A. hilare field collected during the summer of 1968 in Kansas, 23% were infested with N. coryli.
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Glarke et al. (1970) studied this question.
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