Gnats eat algae, fungus and various plants. Unlike mosquitoes, they do not consume blood. Some gnats do not eat during their three- to four-week lifespan. More »

Although gnats are definitely on the spider's menu of preferred foods, their diet is by no means limited to gnats alone. Spiders are carnivorous and will eat whatever insects get caught in their webs, although some of th... More »

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According to Natural News, gnats are attracted to warm, moist environments and decomposing produce. Swarms of gnats congregate in swampy areas, such as creek beds and soggy riverbanks. They are also attracted to rotting ... More »

Roly poly bugs, or pillbugs as they're also known, feed on many kinds of organic matter, including fungi, algae, moss, bark, seedlings and decaying plants or animals. They're considered to be omnivores, meaning they eat ... More »

www.reference.com Pets & Animals Bugs

Typically, sowbugs are omnivores and eat a variety of organisms, such as algae, fungus, moss and bark. They are also scavengers, feeding on dead plants and animals that are in the process of decaying. More »

Water boatmen feed on plant matter and the algae in ponds. They are, however, capable of living in polluted pond environments with little plant matter to feed on. Since water boatmen spend most of their time below the wa... More »

Locusts eat plants and vegetation. When conditions are just right and there are plenty of green plants available for eating and reproducing, locusts gather into swarms that can devastate the area. More »