Pinalitus KELTON (Heteroptera, Miridae) and its Allied Genera of Japan, with Descriptions of New Genera and Species

The genus Pinalitus KELTON and its allied genera of Japan are diagnosed, including descriptions of the new taxa : Yamatolygus, Pachylygus gen. nov. and Y. pilosus, Y. insulanus spp. nov., and redescriptions of known species : Pinalitus nigriceps KERZHNER, 1988, Yamatolygus flavigenis (HORVATH, 1905), comb. nov., Pachylygus japonicus (KERZHNER, 1977), comb. nov. and P. nigrescens (KERZHNER, 1977), comb. nov. The genus Salignus KELTON, which is regarded as a relative of Pinalitus, is also diagnosed and a known Japanese taxon, Salignus duplicatus medius KERZHNER, 1979, is redescribed. A key to the genera and Japanese species is provided. A Far East Russian species, Orthops festivus KERZHNER, 1977, is transferred to Pachylygus.