Common Fleas

Very dark in color, Adult fleas are about 1/8 inch long, wingless, and have three pairs of legs. The hind pair of legs is modified for jumping. Fleas are vertically flat like a fish, and can move easily through the hair of a host. The immature stage or larval stage of the flea looks like a small white worm with a dark head. Flea eggs are small and white.