Review of Chalcovietnamicus Marusik, 1991, with description of four new species (Araneae, Salticidae, Euophryini) Author Yu, Kun 0000-0002-5517-4484 Key Laboratory of Zoological Systematics and Application of Hebei Province, Institute of Life Science and Green Development, College of Life Sciences, Hebei University, Baoding, Hebei 071002, P. R. China & 13468690210 @ 163. com; https: // orcid. org / 0000 - 0002 - 5517 - 4484 Author Hoang, Quang Duy 0000-0003-1672-7960 Faculty of Natural Sciences and Technology, Tay Nguyen University, 567 Le Duan, Buon Ma Thuot, Dak Lak 630000, Vietnam Departments of Zoology and Botany and Beaty Biodiversity Museum, University of British Columbia, 6270 University Boulevard, Vancouver, British Columbia, V 6 T 1 Z 4, Canada & hqduy @ ttn. edu. vn; https: // orcid. org / 0000 - 0003 - 1672 - 7960 hqduy@ttn.edu.vn Author Maddison, Wayne P. 0000-0003-4953-4575 wayne. maddison @ ubc. ca; https: // orcid. org / 0000 - 0003 - 4953 - 4575 wayne.maddison@ubc.ca Author Zhang, Junxia 0000-0003-2179-3954 Key Laboratory of Zoological Systematics and Application of Hebei Province, Institute of Life Science and Green Development, College of Life Sciences, Hebei University, Baoding, Hebei 071002, P. R. China & jxzhang 1976 @ 163. com; https: // orcid. org / 0000 - 0003 - 2179 - 3954 text Zootaxa 2023 2023-08-24 5336 4 451 480 http://dx.doi.org/10.11646/zootaxa.5336.4.1 journal article 10.11646/zootaxa.5336.4.1 1175-5326 8282322 9437A968-62B7-467C-97B6-BD6DD0164EF7 vietnamensis -species group Members of this group can be distinguished from species of daiqini -group by the presence of a large apical flag-like embolic apophysis (EA) on the back side of the embolus ( Figs 116 , 134). Body is rather dark, with three conspicuous golden setal bands of scale setae on carapace and dorsal abdomen ( Fig. 108 ; except for the male of C. vietnamensis , which has the bands on the lateral sides reduced). Species included. Chalcovietnamicus lii (Lei & Peng, 2010) , C. vietnamensis (Żabka, 1985) .