That's right. Only the female mosquitoes...
http://science.howstuffworks.com/mosquito3.htm
Next time the fuckers light on your arm...hold the bitch down with your fingertips and let her suck suck suck until she bursts from your blood.
Chemda, about the getting approached and harassed on the street from guys no matter what you wear, here's a little experiment; wear whatever you feel good in one day and then for shoes put on some thick or heavy hiking boots. That's all, and if the boots are worn... all the better. See what happens.