First of all, Studies suggest that about 20 percent of people are "high attractor types" who are especially appealing to the female mosquitoes seeking out blood for the extra protein they need to lay eggs. Of course, not all mosquitoes are the same. There are 412 different species in Thailand, each with their own blood-sucking proclivities. But since you probably won't know or care , let's consider some of the more general properties that affect your mosquito appeal.