54 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 122 



Male pygofer and plates as B. neglecta; connective expanded 

 apically and truncate, equal to or slightly longer than style, stem 

 slightly longer than arms; style with preapical lobe rounded, apical 

 extension rounded and strongly cm'ved laterally; aedeagus \vith 

 preatrium inconspicuous, shaft long and slender, curving dorsally 

 then anteriorly, acute apically. 



Color tan; face without oblique brown lines; thorax with pale 

 orange areas on dorsal surface, venter dark; forewings hyaline to 

 subhyaline. 



Holotype male, Nov. 2, 1932, Texas City, Tex. (L. D. Tu thill), at 

 the University of Kansas. The following adchtional specimens have 

 been examined: two males, Texas (Nov.), one male, Arkansas (Aug.), 

 one male, Oklahoma (Sept.), and three males, Argentina (Mar., 

 Jan., and Doc). 



B. diluta, new species, is closely related to B. incisa (Matsumura) 

 but can be readily distinguished by the shape of the aedeagus which 

 is curved distinctly anteroventrally in diluta. 



Balclutha rosacea (Osborn), new combination 



Eugtiathodus rosaceus Osborn, 1929, Joiirn. Dept. Agric. Porto Rico, vol. 13, 

 p. 102. 



Length of female 3.3 to 3.6 mm; head width .850 to .900 mm; 

 pronotal w^idth .775 to .850 mm; male unknown. 



Head wider than pronotum; vertex longer medially than next to 

 eye, intcrocular width distinctly less than thi-ee times median length; 

 ocellus located at a distance of from 1 to 1 3^ times its diameter from 

 eye; anteclypeus widest apically, not exceeding gena; postclypeal 

 sutures curved mesally above antennal pits; pronotum distinctly 

 less than 3 times as long as vertex; hind femoral chaetotaxy 2-2-1; 

 female with posterior margin of abdominal sternum VII broadly 

 rounded. 



Color from light to dark red; forewings hyaline to subhyaHne, 

 irregularly tinted red, veins commonly dark red. 



Parat3"pes from Aguirre, Puerto Rico (Feb.), from tlie collection 

 of Ohio State University have been examined. The species is 

 redescribed above from these and three other specimens from Guana- 

 jibe, Puerto Rico (Feb.), in the U.S. National Museum. 



B. rosacea (Osborn) appears to be closely related to B. guajanae 

 (DeLong) but can be distinguished by the uniform red body color 

 of rosacea. This species is known only from the female sex. 



Nomina Dubia 



Baker (1903) described a number of taxa with only a short de- 

 scription of each in the form of a key. Five of these names have not 



