What insect might you identify if you find one with forceps-like appendages on its abdomen?

The insect with forceps-like appendages on its abdomen is indeed an earwig. These appendages, known as cerci, are distinctive features of earwigs and resemble pincers or forceps. They serve multiple purposes, including aiding in defense against predators and facilitating mating. The appearance of these cerci is a key identifying trait that sets earwigs apart from other insects.

Ants, fleas, and spiders do not possess this feature. Ants have a more segmented body and exhibit a narrow waist but lack any appendages that resemble forceps. Fleas are characterized by their jumping ability and slender bodies, with mouthparts designed for piercing and sucking, rather than any appendages resembling those of earwigs. Spiders, while often mistaken for insects, belong to a different class entirely (Arachnida) and have eight legs with no forceps-like structures on their bodies. Thus, the presence of forceps-like appendages is a clear indicator of an earwig.