APHIDIDAE OF FORMOSA— 4. 



By 



Ryoichi Takahashi 



Introduction 



In the present paper, I consider the natural enemies of Aphididae and also 



record for the first time thirty-nine species of the family from our island. At 

 present, 181 species of these insects are known to occur in Formosa, of which 

 142 have already been recorded in the former reports. 



List of species added to the fauna of Formosa 



in the present paper. 

 Macro*! [ilium rosaefolium Theoh. 



