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PROCEEDINGS OF THE NATIONAL MUSEUM 



Honduras. Specimens from Mexico and Cuba have also been ex- 

 amined. This species has also been reported from Bohvia (type 

 locahty) and Puerto Rico. 



B. lineata (Osborn) appears to be related to B. guajanae (DeLong) 

 but can be easily distinguished by the shape and curvatm-e of the 

 aedeagus (see key). The external color markings on the forewings 

 and the brown color of the legs are also usually diagnostic. 



Balclutha chiasma, new species 



Figure 2S 



Length of male 3.1 to 3.3 mm; head width .800 mm; pronotal width 

 .775 to .800 mm; female unknown. 



Head as wide as or wider than pronotum; vertex as long next to eye 

 as medially, interocular width more than three times median length; 

 ocellus located at a distance less than its diameter from eye; ante- 



FiGURE 28. — B. chiasma: a, aedeagus, lateral view; b, aedeagus, dorsal view; c, style and 

 connective, dorsal view; d, valve and plate, ventral view; e, male pygofer, lateral view. 



clypeus parallel margined or sHghtly wider apically, exceeding gena 

 shghtly; postclypeal sutures curving mesally above antennal pits; 

 pronotum more than three times as long as vertex; hind femoral 

 chaetotaxy 2-1-1. 



Male pygofer with less than 10 setae; plates slender, triangidar; 

 connective expanded apically and truncate, slightly shorter than style, 

 stem shghtly longer than arms; style with preapical lobe rounded, 

 apical extension shghtly curved, acute apically; aedeagus with dorsal 



