Three Fungi Tested Against the Lovebug, Plecia Nearctica, in Florida

Leslie P. Kish, Irene Terry, George E. Allen


Reinfectivity studies were conducted on late instar lovebug larvae, Plecia nearctica Hardy (Diptera-Bibionidae), inoculated with Tolypocladium cylindrosporum Gams, Metarhizium anisopliae (Metch.) Sor. and Beauveria bassiana (Bals.) Vuill. which were isolated and identified from dead larvae. Two tests demonstrated that each fungus apparently affected larval mortality; however, data analyses indicated that only B. bassiana caused significant mortality levels (27% to 33%). Problems related to reinfectivity tests are discussed. Nine additional fungi are reported from dead and moribund larvae collected in the field.

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