408 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 57. 



More robust; chitinized basal part of the first sternite not extending beyond aline 

 drawn tangent to anterior margin of the spiracle ; basal area usually much wider 

 than long , 7. 



6. Wings uniformly brownish, or nearly so; stigma dark brownish-ferruginous; larger. 



grallator (Say). 

 Wings largely hyaline with the apical margin dusky; stigma ferruginous; smaller; 

 females placed here have brownish wings with spot in discal area. 



apicalis Cresson. 



7. Large, fully 16 mm., with brownish-ferruginous color confusa Rohv,'er. 



Smaller, not more than 12 mm., color of female clear ferruginous. 



covfusu var. minor RohMcr. 



LABENA TRILINEATA Ashmead. 



Labena triiineata Ashmead, Proc. Zool. Soc. London, 1895, p. 781. 



Type.— Cat. No. 6592, U.S.N.M. 



Eyes distinctly closer together at clypeus than at vertex; face trans- 

 versely rugose with a distinct median dorsad-ventrad carina and with 

 distinct carma along the eye margins; body entirely smooth and 

 polished; basal area slightly longer than wide; chitmized basal part 

 of the first stemite extending a little beyond a line drawn tangent to 

 the caudal margm of the spiracle. 



This species, which is represented only by the miique type male, 

 is closely allied to gloriosa Cresson. 



St. George's (leeward side), Grenada, West Indies (H. PI. Smith). 



LABENA GLORIOSA Cresson. 



Labena gloriosa Cresson, Proc. Acad. Nat. Soc. Phila., 1873, p. 412. 



Type.— C&i. No. 647, Acad. Nat. Sci. Philadelphia. 



Eyes distinctly nearer together at the clypeus than at the vertex; 

 face transversely rugose, with a distinct median dorsad-ventrad carina 

 and with distinct carinae along inner eye margins; body yellowish, 

 smooth and polished; bascil area wider than long; wings hyaline with 

 apical margm dusky; venation mcluding stigma, dark bro\vn; chiti- 

 nized basal part of first stemite endmg distinctly before a line drawn 

 tangent to the anterior margin of spiracle ; ovipositor distmctly shorter 

 than abdomen. 



This species was originally described from one female from Mirador, 

 Mexico, but has smce been recorded from Peru. A single female from 

 "Mexico" is in the National Collection. Notes from type and speci- 

 men in Museum collection. 



LABENA NIGRA, new specie?. 



This species is remarkably distinct from the other species of the 

 genus in color. 



Female. — Length, 10 mm.; length of ovipositor, 6.5 mm. Eyes 

 somewhat closer together at the clypeus than at the vertex; face 

 transversely wrinkled and also with some distinct punctures, v/ith a 

 nearly complete, distinct, median, dorsad-ventrad carina but with- 



