After the egg stage, the next fleas stage the larva is stage. This is a very long stage and it could take a long time. It is not easy to notice the cat fleas while they are in these stages. In most cases, the larva will be located either under the carpets or probably below the surfaces that are dimly lit. Even though they don’t have fully developed features, one can realize that they are developing into something. General cleaning of furniture, floors and carpets can help wash away the larvae and prevent the spread of Cat Flea.