Two New Species of The Ant Genus Polyrhachis Smith From Yunnan,China (Hymenoptera:Formicidae)

In this paper,2 new species of the ant genus Polyrhachis Smith found in Yunnan Province of China,P.cyphonota sp.n.and P.bakana sp.n.,were described.P.cyphonota sp.n.belongs to the subgenus Cyrtomyrma Forel.P.bakana sp.n.belongs to the subgenus Myrmhopla Forel.P.bakana sp.n.was found in the tropical rain forest of Xishuangbanna Nature Reserve.