9G 



Mr. F. W. Edwards on the Old- World 



the abdomen and the larger size. Since E. spinosa is the 

 type of the subgenus Ari'henica, O.-S., this name will be 

 available for the group. 



The preceding groups^ though diverse in many respects, 



p-A- 



Details of sedoea^us of Old-Woi'ld species of Eriocera. All x40. 

 Except in h (E. schnusei, Kuntze) only the penis and one paramere 

 are shown. 



a, E. chrysomela, sp. n. ; b, E. brunettii, sp. n. ; c, E. plumbohdea, 

 sp. n.; d, E. sinensis, sv). n. ; e, E. lygropis, Alex. ; f, E. kempi, Brun., 

 var. n. lom/ior; g, E. lunigera, Walk. ; i, E. ornata (End.) ; j, E. 

 verticalis, VVied. ; k, E. cn/stalloptera, O.-S. ; 1, E. rubresce?is, 

 Walk. ; m, E. pmiulata, End. ; n, E. obscurip>ennis, Edw. ; o, E. 

 luteipennis (Edw.). 



In fig. h the whole aedoeagus of E. schnusei,'Kuatze, is shown in dorsal 

 view : p = penis : pa = paramere ; bp = basal plate ; dp = dorsal 

 plate. 



have one character in common^ the shortness of the penis, 

 which is produced into two little points at the tip. In the 

 remaining species the structural details are somewhat less 

 varied, especially the venation, which shows few tangible 

 modifications ; the hypopygial structure is also fairly 

 uniform, there being nearly always a pronounced preapical 



