clypeus very short, posteriorly not separated from forehead; pronotum 

 slightly broader than long, anterior border elevated and distinctly 

 bilobed, posterior border rounded, concave at middle; mesonotum oval, 

 narrower than pronotum, posterior border curved at middle; metanotum 

 much broader than pronotum, posterior border rounded. 



Length of body 5,50 mm. 



Length of head with mandible 2,43-2,46 mm. 



Length of head without mandible 1,68-1,74 mm. 



Width of head 1,34 mm. 



Width of pronotum 0,90-0,93 mm. 



Length of pronotum 0,56-0,62 mm. 



Worker:- Head yellow, clypeus somewhat paler: antennae and legs 

 straw-coloured; thorax and abdomen whitish. Head moderately pilose, 

 thoracal plates and abdominal tergites densely provided with delicate 

 hairs. 



Head spherical; antennae 17-jointed, 3rd joint smallest, 2nd joint 

 elongated, more than twice as long as 3rd, 4th joint slightly longer 

 than 3rd; ante-clypeus whitish, anterior border convex, post-clypeus 

 swollen, more than twice as broad as long; pronotum saddle-shaped, 

 much narrower than head, anterior border strongly elevated and em- 

 arginate at middle, posterior border rounded, curved at middle. 



Length of body 4,50 mm. 



Width of head 1,34-1,37 mm. 



Width of pronotum 0,74 mm. 



Locality: - Nandai, Foochow. 



