Mosquito Barrier

The No-Chemical, No-Poison Answer To Your Mosquito Problem!
Mosquito Barrier is a very strong liquid garlic made from very potent garlic cloves. The garlic used in Mosquito Barrier is a very powerful variety which is much more potent than the garlic found in grocery stores (in fact, our lab people here refer to it as "super garlic").

When you initially spray Mosquito Barrier it kills the mosquitos and chases away the ticks, fleas and gnats. It coats the leaf surface of the grass, ornamentals and lower leaves of the trees with natural sulfur contained in garlic juice and all of these insects, not initially killed, are repelled from the area by this juice. It also prevents entry of any neighboring mosquitoes that may consider wandering in from next door. Mosquito larvae which were in any standing water in the area are now suffocated by the spray which coats the water's surface and prevents oxygen from reaching the larvae. The Mosquito Barrier is odorless to humans, but not to the insects.

Reference https://www.mosquitobarrier.com/howto.html