
This study evaluated the effects of destruxin A on Rhipicephalus (Boophilus) microplus females, since this toxin is one of the likely causes of high mortality induced by the entomopathogenic fungus Metarhizium anisopliae in arthropods. Ticks were immersed or inoculated with different concentrations of destruxin A. Despite the doses applied, there were no deaths or significant alterations in oviposition between the groups treated with destruxin A and the control groups. No other external effect caused by destruxin, such as tetanic paralysis, was observed in these engorged female ticks after the treatment.Este estudo avaliou os efeitos da destruxina A em fêmeas de Rhipicephalus (Boophilus) microplus, uma vez que essa toxina é uma das prováveis causas da alta mortalidade induzida pelo fungo entomopatogênico Metarhizium anisopliae em artrópodes. Os carrapatos foram imersos ou inoculados com diferentes concentrações de destruxina A. Apesar das doses aplicadas, não houve mortes ou alterações significativas de postura entre os grupos tratados com destruxinas A e os grupos controle. Nenhum outro efeito externo provocado pela destruxina A, tal como paralisia tetânica, foi observado nas fêmeas ingurgitadas de carrapato após o tratamento.
biological control, Metarhizium anisopliae, fungal metabolites, metabólitos fúngicos, SF1-1100, controle biológico, Animal culture
biological control, Metarhizium anisopliae, fungal metabolites, metabólitos fúngicos, SF1-1100, controle biológico, Animal culture
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