Journal Article

Activity of <i>Metarhizium</i> spp. and <i>Isaria</i> spp. from the Central Brazilian Cerrado against <i>Triatoma infestans</i> nymphs

Luiz F.N. Rocha and Christian Luz

in Transactions of The Royal Society of Tropical Medicine and Hygiene

Published on behalf of Royal Society of Tropical Medicine and Hygiene

Volume 105, issue 7, pages 417-419
Published in print July 2011 | ISSN: 0035-9203
Published online July 2011 | e-ISSN: 1878-3503 | DOI: https://dx.doi.org/10.1016/j.trstmh.2011.04.012
Activity of Metarhizium spp. and Isaria spp. from the Central Brazilian Cerrado against Triatoma infestans nymphs

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Abstract

Entomopathogenic fungi attack Chagas disease vectors, and there is a need of effective isolates for development of biological control. Ten isolates of Metarhizium spp., four of Isaria cateniannulata and two of an Isaria sp., all isolated with Triatoma infestans as a bait insect from soils collected in Central Brazil, and tested under laboratory conditions were effective against third instar nymphs of T. infestans. This is the first report of pathogenicity of M. flavoviride var. pemphigi, M. robertsii and I. cateniannulata against T. infestans. M. robertsii IP 34 and I. cateniannulata IP 141 are among the most virulent fungi reported, and both have potential for integrated control of triatomine vectors.

Keywords: Chagas disease; Triatominae; vector control; biological control; entomopathogenic fungus; mycoinsecticide

Journal Article.  968 words.  Illustrated.

Subjects: Clinical Medicine ; Infectious Diseases ; Immunology ; Medical Microbiology and Virology ; Public Health and Epidemiology

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