Some of the differences between these species are shown in Table 1.
All bristletails are carrot-shaped, somewhat flattened, and covered with grayish scales.
They have long, slender antennae and three slender appendages at the rear of the body. They are wingless and do not fly. However, they move quickly, often stopping for short intervals and then rapidly moving on. Characteristics of house-dwelling silverfish and firebrats. Damage Silverfish and firebrats feed and cause damage to a variety of materials but seem to prefer materials of plant origin that are high in carbohydrates and protein.