| abstract | A new subfamily of mites, the Macroseiinae, of the family Phytoseiidae is described. Both sexes are characterized by having the dorsal shield subdivided into anterior and posterior shields in addition to the usual phytoseiid characters, Macroseius biscutatus sp.n., the only known species in the subfamily, was collected from the pitcher plant, Sarracenia sp., in Florida and was associated with the frass of a notuid. |