The adult female sand flea burrows into the skin and grows 2000 times in size as eggs develop. The female flea typically lives for 4–6 weeks, during which the eggs are expelled and fall to the ground.
People Also Ask
Can fleas live in your bedding? Fleas can live in beds for about one to two weeks, and they like to burrow under sheets. Fleas need blood to survive, though, so they won't stay in one place for too long if there is no food source.
Not all sand fleas will bite and feed on humans, but those that do can cause painful, itchy bites. They hop through the sand much like the common flea, eventually landing on human skin and inflicting an uncomfortable bite.
You probably won't notice when the female sand flea first enters your skin. Once it burrows into your skin, you may see a white circle that looks like a ring or halo with a black dot in the center. Over time, the black dot grows as the sand flea gorges on blood and gets bigger with eggs.