TWO NEW SPECIES OF THE ANT GENUS Prenolepis FROM YUNNAN CHINA (Hymenoptera: Formicidae)
云南平结蚁属二新种（膜翅目：蚁科）

Two new species of the ant genus Prenolepis Mayr are described in Yunnan,China,i.e. P. nigriflagella sp.n.and P.magnocula sp.n.A key based on worker caste is given to the known species of Southern and Eastern Asia.