Zyras (Zyras) spec. nov. 4

Material examined: Thailand: 1 ♀, Tak province, Umphang district, Song Bae Stream, Thung Yai Wildlife Sanctuary, 15°28'N, 98°48'E, 300 m, evergreen rain forest, 18–27.IV.1988, leg. Brendell (BMNH) .

Comment: The above female probably represents an undescribed species. It is characterized by small body size (length of forebody 2.0 mm), the coloration (head black; pronotum reddish; elytra dark-yellowish with the postero-lateral portion very weakly and very diffusely infuscate; abdomen pale-reddish with most of tergites VI and VII infuscate; legs yellow; antennae pale-brown with the apical and basal antennomeres yellowish-red), very slender antennae (antennomeres IV–IX oblong), very dense, moderately coarse, and regularly distributed punctation of the pronotum (including midline) and the elytra, and the absence of non-setiferous punctation on tergites VI and VII.