Researchers have discovered that while these traps do appeal to and kill hundreds of insects every night, mosquitoes are a very small proportion of the bugs killed. Studies have shown that while bats devour an enormous number of insects, mosquitoes are only a small a part of their weight loss program. That’s why some folks might solely have a mild response to bites, while others, extra delicate to the overseas protein, react with massive areas of swelling which are extra painful. The selection course of obviously isn't good; while the lure is out of commission, real food in the type of flies and spiders may be crawling all around the plant. No studies are available to support the concept that the citrosa plant or any other plant repels mosquitoes strongly sufficient to enhance human comfort. The truth is, some researchers believe that the one means the citrosa plant can release the citronella oil is to crush the plant.