Gnats and mosquitoes are both PESTS that can cause a great deal of annoyance and discomfort. Gnats are small, flying insects that feed on the blood of humans and animals, while mosquitoes are larger, flying insects that also feed on the blood of humans and animals. Both gnats and mosquitoes can transmit diseases, such as malaria, dengue fever, and West Nile virus. They can also cause skin irritation and allergic reactions. In order to control these PESTS, it is important to eliminate standing water, use insect repellents, and wear protective clothing.