Freshwater ostracods (Crustacea) from Tiantong National Forest Park and Dongqian Lake, eastern China, with descriptions of two new species Author Ma, Shunxin Author Yu, Na text Journal of Natural History 2018 2018-07-27 52 27 - 28 1825 1868 http://dx.doi.org/10.1080/00222933.2018.1489085 journal article 10.1080/00222933.2018.1489085 1464-5262 5175156 2D679051-CBA2-4B09-BCF0-E0152EBC2694 Cypridopsis vidua (O. F. Müller 1776 ) ( Figure 15 ) Cypris vidua sp. nov. O. F. Müller, 1776: 199 . Cypridopsis vidua comb. nov. Brady, 1868: 375–376 , pl. 24, figs. 27–30, 46. Material examined One female (ECNU20140914/TT08) dissected. Dimensions (Female, n = 3) Length, 0.55–0.73 mm ; height, 0.37–0.39 mm ; width, 0.40 mm . Brief description Female , carapace with three green or black bands and numerous setae on surface. Natatory setae on A2 exceeding tips of terminal claws. Seta β on Md short and hirsute, basally inflated, tapering distally; seta γ slender. Two large bristles on third masticatory lobe of Mx1 smooth. L6 five-segmented; only seta d2 present on basal segment; seta e reaching to end of penultimate segment; seta f long, exceeding end of terminal segment. L7 four-segmented, with three setae d on basal segment. UR vestigial, only with slender seta Sa and small seta Sp . Distribution This species is a cosmopolitan species ( Meisch 2000 ; Martens and Savatenalinton 2011 ). In China , this species has been reported from Fujian ( Sars 1903 ) and Beijing ( Zhai and Zhao 2014 ).