As Part of the Food Chain and Our Functioning Ecosystem, Black Garden Ants Are Actually an Essential Food Source for Birds, Spiders, Fish, Frogs, Lizards...
As part of the food chain and our functioning ecosystem, black garden ants are actually an essential food source for birds, spiders, fish, frogs, lizards, other insects, and even some mammals. Eliminating them would negatively impact on predators.
Is black ants harmful?
Are little black ants dangerous? Little black ants are not considered dangerous. While they have both biting mandibles and a stinger, their small size prevents them from having any noticeable effect on humans. However, they are still considered a nuisance due to their tendency to invade homes and get into food items.
Black ants are more of a nuisance than a health concern. Black ants will nest in trees, wood, and you may even find them in your house. Unlike red ants, black ants are not aggressive and my not even bite a human unless they're startled.