SPATIAL REPELLENT EFFECT OF DIMEFLUTHRIN AGAINST AEDES ALBOPICTUS
Objective Observation of the response of Aedes albopictus to DEET and Dimefluthrin in the Three-Part Tube to evaluate the effectiveness of spatial repellency of dimefluthrin.Methods Referenced to the structure and principle of the HITTS device,the Three-Part Tube were designed to observe the behaviors and response of Ae.albopictus to dimefluthrin and deet in the Three-Part Tube.Results Aedes albopictus showed no repellent response in the blank condition of the Three-Part Tube(P>0.05).When tested with DEET in the Three-Part Tube,Aedes albopictus showed repellent effects at 1.0%to 50.0%(P<0.05).For dimefluthrin,repellency was observed at concentrations ranging from 0.0035%to 0.0050%(P<0.05).The repellent effect of 0.0050%dimefluthrin was comparable to that of 20%DEET,with no statistically significant difference(P>0.999).Conclusions Dimefluthrin at concentrations ranging from 0.0035%to 0.0050%had good spatial repellency against Ae.albopictus.
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