Vairimorpha necatrix (entomopathogen)
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Vairimorpha necatrix (entomopathogen) (J.P. Kramer, 1965)
This microsporidium infects various species of Lepidoptera, mostly from the family Noctuidae. It has been originally described from Pseudaletia unipuncta, but also infects other pest species like the tomato moth (Lacanobia oleracea), or the bollworm Helicoverpa zea. It has been studied as a possible biological control agent against these pest Lepidoptera and spraying infested crops with a spore suspension resulted in fewer pest larvae and less crop damage compared to the controls (Down et al., 2004).