Several good suggestions from others so far, but on Itchen we've found that
mosquitoes are not the only problem when cruising SW FLorida and the
Abacos - no-see-ums can be a big nuisance around dusk.
After buying mosquito netting from a sporting goods store and draping it
over all open hatchways we found it 100% effective against mosquitoes BUT
next to useless against "no-see-ums". On the suggestion of a store clerk we
went to a local JoAnn's Fabric store and bought a few yards of voile --
costs next to nothing.
This was 100% effective against everything and still allowed decent air
circulation. Saleslady commented that she had been selling a lot of it
lately to cruising folk! .Another very effective tip, again from a Florida
sporting goods store clerk, was to get a can of pyrethrum-based spray-on
mosquito killer and spray it lightly on portlight screens and the mosquito
netting. When the no-see-ums land and try to crawl through the screen mesh,
they die. As for burning mosquito coils, they are helpful -- but if used in
excess down-below in a closed space they are not good for your health.

Scott


SNIP I want to be prepared this summer .::: what do you all do about
the
companionway to keep out the mosquitos?

I have been thinking of making a couple of companionway sliding screens
.. haven't figured out the method yet.

Any help? Thoughts?
SNIP