Well in all my years of going to WDW, at various times of the year I never remeber getting one sketter bite, but this year, holy smokes we were eaten alive.
We just got back and our legs, arms and necks are covered in bites and that was with deet repellent. They weren't bad in the day but once dusk rolled around look out. I have an area on my upper arm that has 13 bites in maybe a 3 inch area.
They also are not like our misquitos here in WI, these ones you don't even feel biting you. At first I thought maybe we were hitting no see'ems or something else, but I did catch one trying to feed off me and it was a skeeter.
This also was the first year that they warned us at check-in about them and there was a letter on our room table as well talking about the skeeters.
I strongly suggest bring bug repellent and anti-itch stuff like sting ease or something simular.
Pammy