Flea larvae that hatch from flea eggs are off-white in color and look like tiny worms that range from 2-5 millimeters in length. You may not see them, however, because they quickly burrow deep into carpets, cracks and grass.

Are flea larvae visible to the human eye?

Small wormlike larvae (1.5-5 mm in length) hatch from the eggs. They are also visible to the naked eye. ... The larval body is translucent white with a dark colored gut that can be seen through the skin. These immature fleas will eventually spin silken cocoons in which they will develop (pupate) into adult fleas.

Can you see flea larvae moving?

After they bust out of their warm, cozy egg, the larvae are about 2.5mm long and have a distinct whitish color and light hairs on their worm-like bodies. They don't have any eyes and instead are highly negatively phototactic, which basically means they hate light and will try to move away from it as fast as possible.