what are blacksolder fly
Harmless. Black soldier flies (BSF) are a widespread, harmless, and beneficial insect. BSF can not bite or sting, and unlike pest flies, they are not vectors of human diseases.This is due to their unique life cycle.armless. Black soldier flies (BSF) are a widespread, harmless, and beneficial insect. BSF can not bite or sting, and unlike pest flies, they are not vectors of human diseases.