A NEW SPECIES OF THE GENUS MAMERSELLIDES-LUNDBLAD, 1937 (ACARI, HYDRACHNIDA) WITH REMARKS ON THE FAMILY ANISITSIELLIDAE

Larvae and adults of Mamersellides costenius sp. nov., from Mexico and Florida, USA, are described. The resulting new morphological data are incorporated into revised diagnoses for the genus Mamersellides, the subfamily Anisitsiellinae, and the family Anisitsiellidae. Preliminary assessment of character states exhibited by larvae and adults of Mame rsellides and other genera of Lebertioidea, and by those of genera of the family Limnesiidae, suggests that a comprehensive cladistic analys is would provide a phylogenetic basis for extensive revision of the cl assification of these mites.