Laboratory evaluation of the bioinsecticide spinosad for mosquito control

R. Romi, S. Proietti, M. Di Luca, M. Cristofaro

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Abstract

Spinosad, a naturally occurring product of the fermentation of the bacterium Saccharopolyspora spinosa, is a highly effective bioinsecticide against a broad range of agriculturally important insect pests, and this agent has an excellent environmental and mammalian toxicological profile. In this study the efficacy of a Spinosad-based product (Laser® 4.8% emulsifiable concentrate) was evaluated in laboratory bioassays against laboratory-reared mosquito strains of 3 species of medical importance: Aedes aegypti, Anopheles stephensi, and Culex pipiens. Spinosad was particularly effective against larval Aedes and Culex, with a less marked activity against anophelines (24-h median lethal concentration = 0.0096, 0.0064, and 0.039 mg/liter, respectively), showing a persistence of the insecticide action of about 6 wk in laboratory containers. The activity of the Spinosad-based product against adult mosquitoes (toxicity by ingestion and a possible irritant or repellent effect on gravid females) also was evaluated. Results are discussed and compared with those available in the literature. Copyright © 2006 by the American Mosquito Control Association, Inc.
Original languageEnglish
Pages (from-to)93 - 96
Number of pages4
JournalJournal of the American Mosquito Control Association
Volume22
Issue number1
DOIs
Publication statusPublished - Mar 2006
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Medicine(all)
  • Ecology, Evolution, Behavior and Systematics
  • Public Health, Environmental and Occupational Health
  • Insect Science

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