Note: A few ant species, such as the Western thatching ant, bite and then spray a chemical called formic acid into the wound, which can cause the skin to blister. After you’ve been bitten or ...

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 ...

Bites or stings from certain bugs, such as red fire ants or bees, can be extra irritating. The reason is that in addition to containing venoms, they are also acidic. Acids can break down human tissue.

If you go down to the woods today, you’re sure of a big surprise if you sit on one of those comfortable-looking mounds on the south-facing edge of a sunlit glade. It seems an ideal place for you and ...