Abstract:
                                      Five species of the ant family Formicidae newly recorded in China were discovered in the Xishuangbanna Nature Reserve of Southern Yunnan and Tongbiguan Nature Reserve of Western Yunnan.These species are:
Pachycondyla bispinosa Smith, 
Crematogaster anthracina Smith, 
Tetramorium indosinense Wheeler, 
Myrmoteras binghamii Forel,and 
Polyrhachis bihamata (Drury). 
Myrmoteras Forel is a new record genus in China.Measurements and illustrations are supplemented for the worker caste of each species.