A solution that Orkin and other pest control companies often ... When testing a liquid spray, a 2001 study by Bioresource Technology found that sweet orange (Citrus sinensis) extract was effective ...

Orkin, the pest control company ... so homeowners in these areas will need to up their game when it comes to mosquito-proofing their homes. Related: 6 Natural Ways to Keep Mosquitoes from Ruining ...