36 



Mr. C. Gt. Lamb on Exotic CliloropiclEe. 



Chloropinm. 

 Pachylophus, Loew. 

 The following species were in the collections : — 



P. lugens, Loew. Cam. Coll., Durban [F. M.). 

 P. splendidus, Ad. 

 P. jiroximus, Ad. 

 P. fossulatus, Ad. 

 P. varipes, Ad. ; 



Durban (F. M.). 



Cam. Coll., Durban {F. M.). 

 Cam. Coll., Durban {F. M.). 

 Cam. Coll., Durban [F, M.). 

 a very pale-legged form. Cam. 



Coll. 



In addition, there were many specimens included in the 

 ordinary black-vertexed section. To this section belongs 



FiR. 1. 



Fi-. 2. 



Fio-. 3. 



Fig. 1. — Wing of large form of P. frontalis. 

 Fig. 2. — Wing of small form oi P. frofitalis. 

 Fig. 3.— W^ing of P. fiwitellmus (?). 



Loew's species P. frontalis ; Becker, in his monograph, only 

 recognizes as valid that single species in the section with 

 black triangle, prominent head, and pale femora. He sinks 

 as synonyms both Bezzi's P. tellinii and Speiser's P. fron- 

 tellinus. As regards the first, he makes out what is appa- 

 rently a good case, but gives practically no reasons for the 

 second. If one studies the fairly long series in the Cam. 

 Coll., it can be seen at once that there are two quite definite 

 venations present, shown in figs. 2 and 3. The species with 

 the cross-veins fairly apart has a dulJish frons, with the 

 triangle little marked, but a raised shining black central 



