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 Mosquito and Fly Research: Gainesville, FL
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ARS Home Southeast Area Gainesville, Florida Center for Medical, Agricultural and Veterinary Entomology Mosquito and Fly Research Research Publications at this Location





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Title:   Author  item
                                            Gibson, Sethitem
                                            Linthicum, Kenneth

                                                         - *Ken*item
                                            Aldridge, Robertitem
                                            WALKER, TODD - Department Of Defenseitem
                                            FAROOQ, MUHAMMAD - Department Of Defenseitem
                                            CLARK, JEFFREY - United States Army Medical Research Unititem
                                            BAST, JOSHUA - United States Army Medical Research Unititem
                                            GORDON, SCOTT - United States Army Medical Research Unititem
                                            LOGAN, THOMAS - United States Army Medical Research Unititem
                                            CHEPCHIENG, CLIFFORD - United States Army Medical Research Unititem
                                            NGERE, FRANCIS - United States Army Medical Research Unititem
                                            OPONDO, VITALICE - United States Army Medical Research Unititem
                                            NG'ONGA, DANIEL - United States Army Medical Research Unititem
                                            OOKO, FREDRICK - United States Army Medical Research Unit
  Submitted to: Meeting Abstract
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 2/1/2012
                                    Publication  Date: 3/1/2012
                                    Citation: Britch, S.C., Linthicum, K., Aldridge, R.L., Walker, T.W., Farooq, M., Clark, J.W., Bast, J.L., Gordon, S.W., Logan, T.M., Chepchieng, C., Ngere, F., Opondo, V., Ng'Onga, D., Ooko, F. 2012. Ground ULV and thermal fog applications against Phlebotomine sand fly vectors of Leishmania in a hot arid environment in western Kenya. Meeting Abstract. p.28.Interpretive Summary:
                                Technical Abstract: Phlebotomine sand fly vectors of Leishmania continue to threaten US military operations in Africa, Southwest Asia, and the Middle East. Ultra-low volume (ULV) and/or thermal fog pesticide dispersal are potentially effective against sand flies, but operational guidance is thinly based on mosquito control in temperate-tropical environments. Few studies have examined performance of ULV or thermal fog against mosquitoes in hot-arid environments, and no studies have investigated ULV or thermal fog to control sand flies in any environment. Sand fly bionomics are poorly understood, so timing and positioning of applications may not be optimal, and susceptibility of sand flies to US EPA-registered pesticides labeled for aerosol application is poorly known, so configuration of dispersal equipment and pesticide also may not be optimal. We conducted a series of large field experiments in a hot-arid region in western Kenya endemic for phlebotomine vectors and Leishmania using a range of pesticides and ULV and thermal fog devices in various configurations. We evaluated configurations in a variety of meteorological conditions against natural sand fly populations and caged colony-reared sand flies. We found both ULV and thermal fog applications to be highly effective against sand flies, but efficacy was not homogeneous among configurations or weather conditions. These initial findings will form the basis for developing effective operational guidance for sand fly control and further research.


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