Characterization of Tolypocladium cylindrosporum (Hypocreales, Ophiocordycipitaceae) isolates from Brazil and their efficacy against Aedes aegypti (Diptera, Culicidae).
J Appl Microbiol, 2019/1;126(1):266-276.
Montalva C[1, 2], Silva JJ[1], Rocha LFN[1, 3], Luz C[1], Humber RA[1, 4]
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PMID: 30160316DOI: 10.1111/jam.14093
Impact factor: 4.059
Abstract
aims: To survey and to characterize entomopathogenic fungi as natural enemies of mosquitoes in Central Brazil.
methods and results: Tolypocladium cylindrosporum (Hypocreales, Ophiocordycipitaceae) was isolated for the first time in South America by using Aedes aegypti (Diptera, Culicidae) as sentinel larvae in a stagnant mosquito breeding site in a secondary tropical forest. Two isolates were morphologically and molecularly identified, and their activity tested against A. aegypti eggs, larvae and adults.
conclusions: Findings emphasize the importance of T. cylindrosporum as a natural fungal antagonist of mosquitoes.
significance and impact of the study: Both isolates affected larvae and adults but were less effective against eggs; both have potential for development as a mycoinsecticide especially against larvae of A. aegypti the main vector of dengue, chikungunya, Zika and urban yellow fever.
Keywords: Aedes ; Tolypocladium ; Hypocreales; South America; antagonist; biological control; entomopathogenic fungi
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