Utivarachna zhengguoi sp. nov., paratype female A epigyne, ventral view B vulva, dorsal view. Abbreviations: A = atrium, B = bursa, CD = copulatory duct, CnD = connecting duct, CO = copulatory opening, FD = fertilization duct, GP = glandular particles, SP = spermathecae. Scale bars: 0.20 mm.