Tilly, '09] ENTOMOLOGICAL NEWS. 315 



Humeral bristles, one or more bristles inserted on the hu- 

 meral callus. 



Humeral callus or humerus, each of the anterior superior 

 angles of the mesothorax, usually a more or less rounded cal- 

 lus. 



Hypopleura, the space over the middle and hind coxae be- 

 tween the metapleura and peteropleura. 



Hypopleural row, a row of bristles running in a more or less 

 vertical direction on the hypopleura; usually directly over the 

 hind coxae. They are sometimes grouped into a tuft and occur 

 only in the Calypterae. 



Intraalar, a row of 2 or 3 bristles between the supraalar 

 group and the dorsocentral bristles. 



Intra numerals, see post numerals. 



Mesopleura, the space situated in front of the root of the 

 wing, between the dorsopleural and sternopleural sutures. 



Mesopleural row, bristles inserted on the mesopleura near 

 the angle formed by the dorsopleural and mesopleural sutures. 



Mesopleural suture, a suture running from the root of the 

 wing downward and separating the mesopleura from the 

 pteropleura. 



Metapleura, the sides of the metanotum, a more or less swol- 

 len space at the outside of the metanotum and between it and 

 the pteropleura and hypopleura. (More or less hidden by the 

 calypters in the figure.) 



Notopleural bristles, usually 2, inserted immediately above 

 the dorsopleural suture, between the humeral callus and the 

 root of the wing, on the bottom of the presutural depression. 



Notopleural or dor:-opleural suture, the suture running from 

 the humerus to the root of the wing, separating the mesonotum 

 from the pleura. 



Post alar bristles, on the postalar callus back of the supraalar 

 bristles. 



Post alar callus, a more or less distinct rounded swelling, 

 situated between the root of the wing and the scutellum. 



Posthumeral or Intrahumeral bristles, one or more bristles 

 situated on the inner margin of the humeral callosity. 



