Two new species of the tribe Xylographellini (Coleoptera: Ciidae) from Yunnan Province, China Author Mo, Da-Rui 0000-0002-5755-3592 College of Agronomy and Biosciences, Dali University, 2 Hongsheng Road, Dali City, Yunnan, 671003, China. & mdarui @ 163. com; https: // orcid. org / 0000 - 0002 - 5755 - 3592 Author Xu, Ji-Shan College of Agronomy and Biosciences, Dali University, 2 Hongsheng Road, Dali City, Yunnan, 671003, China. text Zootaxa 2022 2022-12-09 5219 3 295 300 journal article 207187 10.11646/zootaxa.5219.3.7 b1158c74-c9af-4902-9619-d46315583de3 1175-5326 7417529 3EA6A394-83D1-46A6-8B58-5585CF11BD20 Key to Chinese transition zone and Oriental species of Syncosmetus Sharp, 1891 (adults) Updated from Lopes-Andrade (2008) and Lopes-Andrade & Grebennikov (2015) 1 Body elongate; elytra with longitudinal keels weak.................................... Sy. reticulatus Miyatake, 1985 - Body rounded; elytra with longitudinal keels prominent....................................................... 2 2 Pronotum with sides broad, visible for their entire lengths from above........................................... 3 - Pronotum with sides narrow, partly visible their lengths from above............................................. 5 3 Each elytron first and second keels united at their base, second and third keels not united at their apices................................................................................................. Sy. japonicus Sharp, 1891 - Each elytron first and second keels not united at their base, second and third keels united or not united at their apices...... 4 4 Each elytron second and third keels not united at their apices............. Sy. euryale Lopes-Andrade & Grebennikov, 2015 - Each elytron second and third keels united at their apices............... Sy. perseus Lopes-Andrade & Grebennikov, 2015 5 Pronotum with longitudinal sulcus at midline; each elytron first and second keels not united at their base, second and third keels not united at their apices................................................................................ 6 - Pronotum without longitudinal sulcus at midline; each elytron first and second keels united at their base, second and third keels united at their apices................................................................ Sy. wuliangensis sp. nov. 6 Pronotum with broad longitudinal sulcus at midline, lateral edges usually broad................................................................................................. Sy. medusa Lopes-Andrade & Grebennikov, 2015 - Pronotum with narrow longitudinal sulcus at midline, lateral edges usually narrow............................................................................................... Sy. stheno Lopes-Andrade & Grebennikov, 2015