Fleas are small, wingless insects that are often notorious for their role as parasites on pets and humans. Their presence can evoke feelings of discomfort and unease, both because of their bites and the potential diseases they can carry. Fleas belong to the order Siphonaptera and are known for their incredible jumping ability, which allows them to move rapidly between hosts. With their flattened bodies and specialized mouthparts, fleas are perfectly adapted for a life spent largely on animals, feeding on their blood. The human eye is not particularly adept at detecting these minuscule creatures, as they typically range from 1 to 3 mm in length, depending on the species.…