Red fire bugs will not bite, sting or eat food products, but they can stain carpet and other fabrics.

Are European firebugs poisonous?

They tend to form dense aggregations in the spring, and a person seeing those could presume that they were causing damage. They also pose no danger to humans.

Are firebugs poisonous?

By Meredith Seaver usu Extension - | Apr 3, 2021. Red fire bugs are non-native insects that are relatively new to Utah. They feed on mature, dry seeds and are not harmful to people, pets or landscape plants.