What kind of mosquito's traits lead them to be killed?

For eluding natural enemy, avoiding larva dehydration, ensuring safe growing, mosquito would spawn at dark and wet place. The larvi-mosquito won't leave such environment until there is no sunshine. otherwise they will be dried to dehydration and die. Hence the nature decide they are more active frequently during night time, the ultraviolet ray be one of most indicative element for it, meanwhile gives mosquito phototaxis.