The Human Fleas are also known as house fleas but are also target several other hosts for a blood meal. The scientific name for the house flea is Pulex Irritians. The female flea grows up to 2.5-3.5 mm long and the males in the species grow up to 2-2.5 mm but have complex genitalia. The fleas in this species are reddish-brown or rust in color. The fleas are wingless as well as laterally compressed. It is threatening to humans and other animals as other species of fleas. Before the severity of infestations raises complication, it is essential to take steps for fleas’ removal at the earliest.