Mites of the Family Tetranychidae

Abstract

An attempt to bring up to date the taxonomy of the known American spp. and several spp. from C. America, S. America, and Pacific islands. Family characters, morph., biological features, hosts, and collection and preparation are discussed briefly. Keys to the genera and spp. are included. The following new entitites are included: Eutetranychus spinosa (Tetranychopsis s. Banks); E. rusti (Tetranychus r. McGregor); E. clarki (Anychus c. McGregor); E. mexicanus, Mexico; HYSTRICHONYCHUS gracilipes (Tetranychus g. Banks), Arizona; SIMPLINYCHUS buxi (Neotetranychus b. Garman), Michigan; Neotetranychus virginiensis, Virginia; Tetranychus caribbeanae, Puerto Rico; I. deflexus, Oregon; T. equatorius, Hawaii; T. hicoriae, Mississippi; T. malvastris, California; T. marianae, Tinian I.; T. multisetis and T. perplexus, Calif.; T. piercei, Philippines; T. planki, Puerto Rico; T. thuiae, Florida; Schizotetranychus celarius (Stigmaeopsis c. Banks); S. cercocarpi, S. cynodonis, S. elymus and S. eremophilus, Calif.; S. floridensis (Divarinychus f. McGregor); Septanychus braziliensis, Brazil; S. canadensis. Ontario; S. cocosi, S. deserticola, and S. deviatarsus, Calif.; S. mexicanus, Mexico; S. texazona, Texas; Paratetranychus americanus (Oligonychus a. Ewing); P. coniferarum, Florida; P. gramineus, Calif.; P. hawaiiensis and P. insularis, Hawaii; P. major (Oligonychus m? Ewing); P. milleri, Calif.; P. newcomeri, Washington; P. platani, P. pritchardi, and P. subnudus, Calif.; P. uniunguis (Tetranychus u. Ewing); Tetranychina lupini, Calif.; T. harti, (Neophyllobius harti Ewing); PSEUDOBRYOBEIA bakeri (type), Mexico; P. drummondi (Petrobia d. Ewing); Tuckerella pavaniformis (Eupalopsis p. Ewing); ALLOCHAETOPHORA californica, Calif.