They do not kill mosquitoes, they can kill beneficial bugs.

I've had 'em up north. They're not needed here.

bug zapper
 

I use my irrigation system to put distribute a mixture of essential oils which keeps the mosquitoes and other bugs away.

That is :bigbow: sick. I like you.

you have a screened lanai and most likely a 'postage size' lot, and you are close to your neighbors

what the heck do you need a bug zapper for

do you really plan to sit outside after dusk?