Journal of Biological Control

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The gram pod borer Helicoverpa (=Heliothis) armigera (Hbn) is a serious pest on crops like chickpea, pigeonpea and cotton. Recently, laboratory colonies of H.armigera were found to be infected with a microsporidian which was identified as Vairimorpha sp. (Ha strain) by Dr.W.M.Brooks of North Carolina University, U.S.A.
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