Quote Originally Posted by emily_in_nc View Post
You're right, though -- we'll definitely need to drain them regularly when we get them set back up (unless DH is just "done" with dealing with them, which he might be). That means they'll be empty a good bit of time since our rains have only been sporadic lately, but whenever we do get a nice little rain, like last night (unexpectedly), they'll fill back up.

Emily
Just add a bit of olive or corn oil. The film on the surface suffocates the larvae and you can still use the water on your garden.

http://www.noahsnotes.com/naturalpest.html