The long-legged beetle is about 3 mm long and lacks metathoracic wings. The eyes are essentially absent, reduced to small knobs with six vestigial eye facets. Family Entomobryidae A collembolan , or springtail. These tiny insects may be abundant on wood, feces, fungus, and other organic materials in the cave. A fungus gnat larva hangs on its web, which it uses to catch flying insects.
Several species are common in North American caves.
It has smaller populations than the latter. Both are trogloxenes that feed outside the cave at night. It scavenges on the floor of the cave. It has a smaller body size and smaller eyes, so it is somewhat more cave adapted than the other two Ceuthophilus species with which it lives. It is a trogloxene.