Stream pools in Mojave Desert through sand dunes and limestone substrates in Red Rock Canyon National Conservation Area. In keying the larva through Merritt and Cummins (Intro to Aquatic Insects of North America) to family, characters of the specimen include: anal claw hook-shaped, metanotum membranous, antenna not apparent, mesonotum covered by sclerotized plates,abdominal seg 1 clearly has lateral and dorsal humps, labrum w 6 or fewer setae, base of anal claw lacking brush of setae, median dorsal hump present > LIMNEPHILIDAE. Keying in the family key, characters include Mesonotoum w 1 pr