ISOLATION OF BACILLUS SPHAERICUS WITH IMPROVED EFFICACY AGAINST CULEX QUINQUEFASCIATUS

HYUN-WOO PARK; CLARE M. MANGUM; HE ZHONG; SABRINA R. HAYES

doi:10.2987/5663.1

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HYUN-WOO PARK,¹ CLARE M. MANGUM,¹ HE ZHONG,¹ SABRINA R. HAYES¹

¹John A. Mulrennan, Sr., Public Health Entomology Research & Education Center, College of Engineering Sciences, Technology & Agriculture, Florida A&M University, Panama City, FL 32405

Abstract

A Bacillus sphaericus highly toxic to 4th-stage Culex quinquefasciatus was isolated from sediment samples collected at Winter Beach marsh in Indian River County, Florida. This isolate, named WBM 1-1-13, showed significantly higher toxicity compared with strain 2297. WBM 1-1-13 is equivalent, though better initially, to the toxicity of strain 2362, the active ingredient of VectoLex®. Furthermore, the Winter Beach marsh isolate produced more Bin per unit medium than strain 2362, which suggests that this new isolate could be useful for Culex control.

Citation Download Citation

HYUN-WOO PARK, CLARE M. MANGUM, HE ZHONG, and SABRINA R. HAYES "ISOLATION OF BACILLUS SPHAERICUS WITH IMPROVED EFFICACY AGAINST CULEX QUINQUEFASCIATUS," Journal of the American Mosquito Control Association 23(4), 478-480, (1 December 2007). https://doi.org/10.2987/5663.1

Published: 1 December 2007