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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 102, No. 1, 2007, pp. 69-72
Bioline Code: oc07011
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 102, No. 1, 2007, pp. 69-72

 en Comparison of two commercial formulations of Bacillus thuringiensis var. israelensis check for this species in other resources for the control of Anopheles aquasalis check for this species in other resources (Diptera: Culicidae) at three salt concentrations
Osborn,Frances R; Herrera, Melfran J; Gómez, Cruz J & Salazar, Armando

Abstract

Anopheles aquasalis check for this species in other resources larvae are salt water tolerant, preferring concentrations between 10 and 20 parts per thousand (ppt). The larvicidal efficacy of two formulations of Bacillus thuringiensis var. israelensis check for this species in other resources (Vectobac-12AS® and Bactivec®), was investigated against An. aquasalis at salinities of 0, 10, and 20 ppt. A probit analysis was used to calculate the lethal concentrations (LC50 and LC95) for each product at each salinity. The LC50 and LC95 were higher for Bactivec® than Vectobac-12AS®, and for Bactivec®, the LC50 and LC95 increased with salinity. Vectobac-12AS® should thus be preferred to Bactivec® for An. aquasalis control, especially in saline breeding habitats.

Keywords
Anopheles - sodium chloride - mosquito control

 
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