title: Centers for Disease Control light traps for monitoring Anopheles arabiensis human biting rates in an area with low vector density and high insecticide-treated bed net use.
abstract: Human landing catches (HLCs) are currently the preferred method to determine vector human biting rates (HBRs), which are key determinants of entomologic inoculation rates and important measures for assessing the impact of vector control efforts. Although HLCs are the most direct means of establishing HBRs, they are labor-intensive, and their use is facing increasing ethical concerns. The relationship between Centers for Disease Control (CDC) light traps and HLC collections was evaluated in Macha, Zambia during the 2007-2008 and 2008-2009 rainy seasons. A CDC light trap captured on average 1.91 (95% confidence interval = 1.16-2.28) times as many An. arabiensis per night as an indoor HLC. Additionally, nets treated with deltamethrin did not affect the numbers of An. arabiensis collected. Our results suggest that in regions where use of vector control interventions is high and vector densities are low, CDC light traps can be used to monitor An. arabiensis HBRs.
authors.affiliation: The W. Harry Feinstone Department of Molecular Microbiology and Immunology, The Johns Hopkins Malaria Research Institute, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA. cfornade@jhsph.edu
authors.forename: Christen M
authors.initials: CM
authors.lastname: Fornadel
authors.forename: Laura C
authors.initials: LC
authors.lastname: Norris
authors.forename: Douglas E
authors.initials: DE
authors.lastname: Norris
mesh_terms: D000818:Animals; D000852:Anopheles / Q000187:drug effects / Q000502:physiology*; D002487:Centers for Disease Control and Prevention, U.S.; D006801:Humans; D007299:Insect Bites and Stings / Q000453:epidemiology*; D007303:Insect Vectors / Q000187:drug effects / Q000502:physiology; D057148:Insecticide-Treated Bednets; D007306:Insecticides / Q000494:pharmacology; D009032:Mosquito Control / Q000295:instrumentation* / Q000379:methods; D009570:Nitriles / Q000494:pharmacology*; D011156:Population Density; D011722:Pyrethrins / Q000494:pharmacology*; D012621:Seasons; D014481:United States; D015024:Zambia / Q000453:epidemiology
chemical_list: D007306:Insecticides; D009570:Nitriles; D011722:Pyrethrins; C017180:decamethrin