Abstract
The obtained work aimed to evaluate the efficiency of hematite nanoparticles as larvicidal agents against Cx. pipiens larvae. Hematite nanoparticles were synthesized by a simple hypothermal method. The obtained nanoparticles average size was below 50 nm. TEM images determined the size and morphology of nanoparticles. Serial concentrations were applied on mosquito larvae. It was found that LC50 of hematite nanoparticles after 48 hours of treatment was 5.6997 ppm. The obtained results added a new weapon to control mosquitoes. It is suggested to investigate the joint action of nanoparticles with other insecticides to which insects had developed resistance.
Highlights
Mosquitoes under the genus Culex (Cx.) are vectors of numerous pathogens that significantly affect public health including arboviruses such as Sindb is Virus Complex, West Nile Virus, and Rift Valley fever virus (RVF) (Diamond 2009 & Becker et al 2010) and the filarial worm, Wuchereria bancrofti (Ottesen et al 1997 & Goddard 2008)
Many of the physical methods involve the evaporation of a solid material to form a supersaturated vapour from which homogenous nucleation of nanoparticles occurs
Emerging chemical methods proved indispensable for synthesizing nanocrystals of various types of materials
Summary
Toxicological Effects of Hematite Nanoparticles on the Common House Mosquito, Culex pipiens L. (Diptera: Culicidae). Toxicological Effects of Hematite Nanoparticles on the Common House Mosquito, Culex pipiens L. 1- Department of Entomology, Faculty of Science, Ain Shams University 2- Department of Chemistry, Faculty of Science, Ain Shams University 3- Department of Biology, Faculty of Science and arts, Baisha University, Baisha, KSA
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