Abstract
Indomasonaphis Verma, 1971 is a small genus primarily distributed in the southern Himalayan region. The genus is morphologically characterized by a concave frons; sparse, long, thick, and blunt or capitate dorsal setae; long clavate siphunculi; spinulose tarsi; and conspicuously hairy cauda. Based on the examination of Chinese specimens, the genus Indomasonaphis is recorded for the first time in China. A new species, Indomasonaphis polygoni Qiao & Xu, sp. nov. on Polygonum sp. is described here. Additionally, Indomasonaphis anaphalidis (Basu, 1964) and Indomasonaphis rumicis (Chakrabarti & Raychaudhuri, 1975) are newly recorded here from China. DNA barcode sequences of two species in the genus, I. anaphalidis (Basu) and I. polygoni Qiao & Xu, sp. nov. were obtained for the first time. Keys to the Chinese species in this genus have been constructed.