22 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Balclutlia abdominalis amplissinia, new subspecies 



Figure 12 



Length of male 4,6 to 4.7 mm, of female 4.7 mm; head width of male 

 .950 to ,975 mm, of female, ,975 mm; pronotal width of male 1,075 to 

 1,100 mm, of female 1,100 mm. 



Characters as B. a. abdominalis; connective as B. a. fuscipennis; 

 aedeagus robust, slightly expanded apically; shaft in posteroventral 



Figure 12, — B. abdominalis amplissinia: a, aedeagus, lateral view; b, aedeagus, postero- 

 ventral view; c, style and connective, dorsal view. 



view with pair of distinct lateral triangular processes, deeply bifid 

 apically. 



Color brown; face with faint obhque brown hnes on each side of 

 midline; thoracic venter slightly darkened; forewings subhy aline with 

 tan tint, 



Holotype male, Cerro Punta, Panama, Dec, 10, 1952 (F. S. Blanton), 

 in the U,S. National Museum. One male paratype at North Carolina 

 State University. This subspecies was described from a series of 

 three male specimens and one female specimen, all with the same label 

 data. 



B. abdominalis amplissima, new subspecies, can be distinguished 

 from the nominate subspecies by its larger external size and by the 

 larger size of the aedeagus. It can be distinguished from B. a. 

 fuscipennis Linnavuori by the larger size of the aedeagus and by the 

 expanded apex of the shaft which is also more deeply bifid. 



Balclutlia diversa, new species 



Figure 13 



Length of male 3.9 to 4.2 mm, of female 3.7 to 4.2 mm; head width 

 of male .825 to .850 mm, of female .825 to .975 mm; pronotal width of 

 male .925 to .975 mm, of female .925 to 1.025 mm. 



