A new species of Caryanda viridis- species group, i.e. Caryanda biserrata Mao et Yin sp. nov. is described and illustrated. C. xinpingensis Mao, 2017 is included into C. viridis- species group, and C. viridoides Mao, Ren & Ou, 2011 is removed from it. C. viridis- species group presently contains six species: C. viridis (Zheng & Mao, 1996), C. dehongensis Mao, Xu & Yang, 2003, C. albomaculata Mao, Ren & Ou, 2007, C. eshana Mao, 2015, C. xinpingensis Mao, 2017 and C. biserrata Mao et Yin sp. nov.. The key to the six species of C. viridis- species group is updatad.