Symptoms and pathology
- Multiply and produce toxins in the midgut lumen and insect loses its appetite, becomes diarrheic, discharges watery faces, and may vomit.
- Larval insects killed by bacteria, rapidly darken in color and are often very soft.
- Internal tissues and organs are rapidly broken down to a viscid consistency, accompanied by a putrid odor.
- Integument remains intact and there is an abundance of bacteria in an insect shortly after death. Cadaver shrivels, dries, and hardens.