Insecticide resistance in mosquito populations has long been recognized as a significant global public health challenge, motivating the development of new control chemistries. ReMoa Tri is a novel triple-action space spray that employs a different mode of action than traditional adult mosquito control formulations. It combines 3 components: fenpropathrin, a mixed-type I/II pyrethroid; abamectin, a macrocyclic lactone; and C8910, a patented fatty acid chain.
View Article and Find Full Text PDFJ Am Mosq Control Assoc
September 2023
The black salt marsh mosquito, Aedes taeniorhynchus, is the primary nuisance mosquito in the coastal regions of Florida. This study aimed to establish the baseline susceptibility of Ae. taeniorhynchus to adulticide products used for mosquito control by the Collier Mosquito Control District (CMCD).
View Article and Find Full Text PDFIn several insect species, resistance to pyrethroids and DDT (dichlorodiphenyltrichloroethane) is linked to point mutations in the voltage-gated sodium channel (VGSC) gene. Pyrethroid-based insecticides prolong the opening of sodium channels, causing paralysis known as a "knockdown" effect before mortality occurs. Point mutations in the VGSC gene result in decreased pyrethroid binding and reduced sensitivity to the insecticide-this resistance mechanism is known as knockdown resistance () as insects do not die but recover from paralysis with time.
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