You might consider discussing this with numerous contractors or the county to see if there are building guidelines or with building inspectors.
What to put under deck to prevent mosquitoes.
Avoid scented body products although some scents work as a repellent for mosquitoes other body lotions or perfumes can actually attract these pests.
The best solution for that is to put sand down where puddles regularly form.
This will help to keep the mosquitoes from being able to lay eggs.
Strategically placed floor fans providing a breeze across the area of concern will serve to keep the mosquitoes at bay.
Cover the gap between the deck and the ground with a skirt made of pressure treated or composite plywood.
The deck should keep most of the water away from the soil.
The best gravel for use under a deck is crushed stone.
The best thing to do is stay away from fancy smelling perfumes colognes body washes or lotions if you plan on spending time outside during high mosquito activity.
A french drain can work well under a deck to clear standing water.
According to conlon mosquitoes are weak fliers and will not be able to.
Sand soil and mulch are options.
It prevents erosion weeds keeps moisture away from the underside of the deck and looks much better than mud or weeds.
3 staple panels of mesh.
Keep mosquitoes away from you.
This stops bugs from coming up through the floorboards of the deck.
The soil should be sloped away from the house under the deck.
Mosquitoes can breed in very small amounts of standing water.
Sometimes the area under your deck can provide a perfect mosquito breeding habitat.
The sand will absorb the water and prevent mosquitoes from laying their eggs in the puddles.