“What is this?” asks this reader in her submission regarding the translucent organisms pictured below. “It is about 1/4 inch long and is under my sticky tile on my floor next to the plywood. There are millions of babies and white looking eggs.” We think that the organisms our reader found are flea larvae: their translucent bodies and dark entrails point to this fact. The location in which they were found is quite strange: usually they are found near a source of food, like on a bed or in a wardrobe.