Susceptibility of Various Species of Lepidopterous Pupae to the Entomogenous Nematode Neoaplectana carpocapsae.
The susceptibility of certain species of lepidopterous pupae occurring in different ecological situations to the entomogenous nematode, Neoaplectana carpocapsae, was tested. Soil- or litter-pupating lepidopterous insects were not highly susceptible to N. carpocapsae. The most susceptible insect pupating in the soil was Spodoptera exigua with 63% pupal mortality, while Harrisinia brillians, which pupates in litter, had 55% mortality. Other soil- and litter-pupating insects had mortalities of less than 25%. Some insect species that pupate above ground were highly susceptible (> 84% mortality) to N. carpocapsae infection.
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