When ants bite humans, it grabs the skin and also sprays a compound called formic acid, Frye explains. Ant bites tend to be small, swollen bumps that appear in clusters, Kassouf says. Fire ants ...

Ant Bites Many different ants can ... but they can also affect humans. Flea bites typically show up on areas of skin where you wear close-fitting clothing, like the legs, waist, butt, thighs ...