Abstract
BACKGROUND: The genus Otacilia Thorell, 1897 comprises 141 species worldwide, with 118 (approximately 84%) distributed in China. NEW INFORMATION: Two new species of the genus Otacilia are described from Baima Mountain Nature Reserve, Chongqing, China: Otacilia baimashan Shi, Wang & Mu, sp. nov. (♂♀) and Otacilia wulong Shi, Wang & Mu, sp. nov. (♂♀). Detailed description, photos of habitus and copulatory organs of the new species are provided.