Sinotympana caobangensis Pham & Sanborn & Nguyen & Constant 2019, sp. nov.

Sinotympana caobangensis sp. nov. Pham & Sanborn (Figs. 1–3, 5–6) TYPE SERIES . Holotype: “ VIETNAM / Cao Bang prov., Nguyen Binh distr., / Phia Oac—Phia Den NR / light trap / Pham HT coll. / 11.v.2014 / VNMN-E-000.0007.773”, male (VNMN). Paratypes: same data as holotype, nine males (VNMN). DESCRIPTION . Castaneous and tawny marked with piceous. Ratio of body length to head width about 3.0 (2.98– 3.02). Head. Head castaneous, frons greenish ochraceous, small piceous spot just lateral to lateral ocelli, piceous fascia extending from medial lateral ocelli anteriorly expanding to frontoclypeal suture and posteriorly to margin of head, anterior vertex and supra-antennal plate piceous, mark extending to posterior head including posterior cranial depression and fusing with piceous posterior of eye, distance between lateral ocelli and eyes slightly longer than distance between the two lateral ocelli, ocelli reddish, eyes ochraceous. Genae castaneous with transverse piceous fascia between postclypeus and eye, lorum castaneous anteriorly, piceous posteriorly, postclypeus prominently swollen, castaneous with piceous spot on dorsal surface, series of 8–9 transverse fuscous fasciae on either side of midline, ventroposterior midline and ventrolateral regions piceous, anteclypeus castaneous with two fuscous spots on the middle of the carina and piceous posterior margin, mentum pale tawny with lateral castaneous fasciae, labium pale tawny with castaneous central longitudinal fascia and piceous apex, reaching posterior margins of hind coxae, antennae piceous. Thorax. Pronotum castaneous with short tawny fascia on midline, piceous fascia on either side of midline expanding laterally anteriorly and posteriorly forming elongated triangular areas, posterior also extends medially to fuse across midline in ambient fissure, ambient fissure and paramedian and lateral fissures piceous, curved piceous fascia extending from posterior paramedian fissure onto disc, piceous extending across disc from posterior lateral fissure to ambient ...