| abstract | Four new species of Hypoaspis (Laelaspis) are described and illustrated. These are: H. moseri from a laboratory culture of Anuroyryllus muticus (DeGeer), Louisiana; H. picketti from citrus litter, Florida; H. johnieae from sand pine litter, Florida; and H. mumai from citrus and sand pine litter, Florida. Thirteen identifiable species are now known from North America and Mexico. A key to the females of these species is included. |