I am petrified of mosquitos. Don't so much mind them during the evening while i'm out and about, but the idea of them in a hotel room at night while i'm asleep terrifies me.
I've had mixed success with them. In Jamaica we had a hotel, that was pretty tall, and you tend to find less of them high up where it's less cooler and breezier. However, in India we were pretty much on ground level and i could hear the pesky sods whizzing in my ear all night biting me.
What's the situation like in Punta Cana ... are they visible at night in your hotel rooms?
Also what about Gekko's in your room?