42 



PROCEEDINGS OF THE NATIONAL MUSEUM 



curved dorsally and overlapping shaft, dentate on posterior margin, 

 shaft slender, curving anteriorly, rounded apicaUy. 



Color tan; face with faint oblique brown lines on each side of 

 midline; thoracic venter dark. 



Figure 26. — B. denticula: a, aedeagus, lateral view; h, style and connective, dorsal view; 

 c, valve and plate, ventral view; d, male pygofer, lateral view. 



Holotype male, Pese, Panama, Oct. 22, 1952 (F. S. Blanton) in 

 the U.S. National Museum. This species was described from this 

 single specimen. 



B. denticvla, new species, appears to be related to B. cochrani, new 

 species, but can be readily distinguished by the dentate aedeagal 

 processes in denticula. 



BalclutJia lineata (Osborn) 



Figure 27 



Eugnathodus lineatus Osborn, 1925, Ann. Carnegie Mus., vol. 15, p. 449. 

 Eugnathodus flavidus Osborn, 1926, Ann. Ent. Soc. America, vol. 19, p. 351. 



Length of male 2.7 to 3.2 mm, of female 3.0 to 3.6 mm; head width 

 of male .750 to .800 mm, of female .800 to .900 mm; pronotal width of 

 male .700 to .775 mm, of female .775 to .875 ram. 



Head wider than pronotum; vertex longer medially than next to 

 eye, interocular width from less than to approximately three times 

 median length; ocellus located at a distance less than its diameter 

 from eye; antcclypeus widest apically, exceeding gena; postclypeal 

 sutures parallel above antenna! pits; pronotum less than three times 

 as long as vertex; hind femoral chaetotaxy 2-1-1 or 2-2-1 ; female with 

 posterior margin of abdominal sternum VII irregularly concave. 



