Abstract: This paper deals with a new species of the genus Paramyronides collected from Yunnan Province, China,The type specimens are deposited in the Insect Collection of Institute of Zoology,Academia Sinica and Beijing Forestry University. All the measurements are in millimetres. Paramyrondes yunnanensis sp. nov.(fig 1-1～3)This new species resembles P.porus but differs from the latter in the following characters:fore wings absent,posterior margin of anal segment emarginate deeply,its posterior lateral lobes pointed,straight and distant from each other.Body 80. 3; pronotum 3. 2; mesonotum 19. 4; metanotum(with median segment)10.2;median segment 2.8;fore femur 25.0;middle femur 18.0;hind femur 24.5.Female:unknown.Holotype ♂,paratype 1 ♂,Xishuangbanna,Yunnan Province,Sep.9, 16, 1993,collectedby Yang Longlong and Cheng Xinyao.