The goal is to kill all the pests in the area, not just the target species. Insecticide gel:Pakistan Fumigation Services This type of treatment uses an insecticide gel to kill bugs on contact. It’s applied as a liquid or as dust, and it needs to be applied in areas where there are active pests. Fumigation with botanical pesticides: These types of pesticides are made from plants and act like natural predators of bugs. They’re slow-acting, so they need to be used in combination with other methods, such as insecticide gel or pesticide fogging.Fumigation Service in Karachi