2. Dragonflies: They can prey on mosquitoes, flies and other harmful insects, and some can prey on butterflies, moths, bees and so on. In fact, they are all beneficial insects.
3. Mantis: a carnivorous insect, all small species of insects can be preyed by mantis, especially the eggs, larvae, naked pupae and adults of flies, mosquitoes, moths and butterflies are suitable prey.
4. Swallow: an expert in catching pests. It lives in the nest of a big tree and catches pests in the sky. A forest reserve should be established for swallows, so that swallows and other protected animals can live in it, thus protecting swallows and other animals.
5. Gecko: an animal crouching at night. Lurking in hidden places such as cracks in walls and behind cabinets during the day, and coming out at night. On summer and autumn nights, geckos often appear on walls, eaves or telephone poles illuminated by lights, preying on mosquitoes, flies, moths, spiders and other beneficial and harmless animals.
6. Woodpecker: Doctor Forest. They can take moths out of tree trunks and eat thousands of pests every day.