Memórias do Instituto Oswaldo Cruz (2004) 99, 211-218

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Christian Luz, Luiz F.N. Rocha, Gustavo V. Nery, Bonifácio P. Magalhães and Myrian S. Tigano (2004)
Activity of oil-formulated Beauveria bassiana against Triatoma sordida in peridomestic areas in central Brazil
Memórias do Instituto Oswaldo Cruz 99 (2), 211-218
Abstract: Field tests were carried out during the rainy season of 2001/2002 in São Luís de Montes Belos, Goiás, Brazil, to evaluate the potential of the entomopathogenic fungus, Beauveria bassiana, against peridomestic Triatoma sordida. An oil-water formulation of the isolate CG 14 (Embrapa) was applied in triatomine infested hen houses of four farms at a final concentration of 106 conidia/cm2. Numbers of T. sordida decreased over the next 25 days, after application of the fungus, and B. bassiana developed on dead insects in one hen house. A high number of B. bassiana colonies was detected in substrates collected in treated hen houses 24 h after application of CG 14. In the following three months the presenceof B. bassiana declined to values found before treatment.
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Database assignments for author(s): Christian Luz

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
application technology
evaluation - screening - selection

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Triatoma sordida Brazil (south)
Beauveria bassiana (entomopathogen) Triatoma sordida Brazil (south)