Abstract
A new genus, a new generic name and two new species of phyllocoptine mites feeding on Yang-na, or hairy-leaf apitong, Dipterocarpus alatus Roxb. ex G. Don (Dipterocarpaceae) are described. Kosacarus is described as a new genus with Proneotegonotus dipterocarpi Chandrapatya and Boczek, 2000 designated as the type species; a redescription of Kosacarus dipterocapi (Chandrapatya and Boczek, 2000) is provided, including the male. Kosacarus rayongi is described herein as a new species. Bangphracarus is described as a new genus with Bangphracarus alatus new species as its type species. The distribution of each mite species is also provided.
