Vid 1 Video of a cat flea larva crawling around a dog’s bed. See the pointing finger for a size comparison.
Vid 2 Video of cat flea larvae moving in the carpeting within a home, which is the most common place to find larvae.
Vid 3 Video of a cat flea larva emerging from its egg. Also in the image is adult flea feces, and sugar to refract light.
Vid 4 Video of cat flea larvae reactions to human fingers (good for judging size).
Vid 5 Video showing a cat flea larva under a microscope. The red digestive track, body segments, and bristles are clearly visible.