Abstract
Twenty-eight genera and 143 species of the plant feeding mites from Mexico are recognized; many of these are found in the United States and Central and South America. A new genus Sonotetranychus is described for Anatetranychus daleae Tuttle, Baker and Abbatiello, and A. albiflorae Tuttle, Baker and Abbatiello. Twenty-six new species are described: Monoceronychus erythrinae, M. littoralis, M. pachucensis, Langella ambrosiae, Eotetranychus guaymas, E. neolewisi, E. zexmlniae, E. euphorbiae, E. deleoni, E. hameliae, E. zempoalensis, E. salviae, E. typhae, Mononychellus chapalensis, M. eysenhardtiae, M. willardiae, Platytetranychus pueblensis, Schizotetranychus prosopis, Oligonychus (Wainsteiniella) pini, W. (W.) juniperi, O. (Homonychus) perseae, O. (Pritchardinychus) tlaxcensis, O. (P.) daleae, O. (P.) quercus, Tetranychus (Tetranychus) eharai and T. (Polynychus) neopolys . Keys to the genera and species are given, and all species are figured.
