Abstract
A new species of the genus Bannana Tong & Li, 2015 and a new species of the genus Trilacuna Tong & Li, 2007 are recorded from Xishuangbanna, Yunnan Province: Bannanazhengguoi Tong & Li, sp. nov. (♂♀) and Trilacunaaoxian Tong & Li, sp. nov. (♂♀). An identification key to species of the genus Bannana from Xishuangbanna is provided. Detailed diagnoses, descriptions, and photomicroscopy images of new species are provided.