356 BULLETIN 15, UNITED STATES NATIONAL MUSEUM. 



TABLE OF SPECIES. 

 FEMALES. 



Mi'ig-iual cell closed. 



Wings fuscous ov subfiisooiis. 

 Coxa? black, legs honey-yellow. 



Flagellum fuscous B. monilicornis Ashm. 



Coxa' and legs brownish-yellow. 

 Flagellum brownish-yellow, the three apical joints dusky. 



Metathorax without a median carina B. ekontalis sp. uov. 



Coxa3 and legs rufous. . 



Metathorax with a forked median carina B. eijythropus sp. nov. 



Marginal cell open. 

 Wings hyaline. 

 Metathorax with a forked median keel B. texa^a sp. uov. 



Belyta nionilicoriiis Ashm. 

 Bull. No. 1, Col. Biol. Assoc, p. 12. 



9 . Lengtb, 3"'™. Eobust, black, sliiiiing, covered with a fine fuscous 

 pubescence. Eyes bristly. Mandibles piceous. Autennoe 15-jointed, 

 the flagellar joints after the first moniliforni, the first joint about twice 

 as long as the pedicel; the scape reddish brown, the rest of the an- 

 tenn.Te dark fuscous. ]Mesonotal furrows distinct, but not deeply im- 

 pressed. Scutellum with a large fovea at base. Mesopleura deeply 

 impressed posteriorly. Metathorax truncate and squared oft" at apex. 

 Legs dark honey yelloAV, the cox.e black, the hind femora slightly dusky 

 above in the middle. Abdomen about as long as the head and thorax 

 together, smooth and polished ; the petiole stont, a little longer than 

 thick, grooved and hairy above; the second segment, which occupies 

 the larger portion of the body of the abdomen, has a median longitudi- 

 nal furrow at base; apex surrounded by sparse, whitish hairs. Wings 

 subhyaline, pubescent, the marginal cell closed, about twice as long as 

 the marginal vein, the first branch of the radius or stigmal veiu oblique. 



Habitat.— West Cliff, Col. 



Type $ in Coll. A.shmead. 



Described from a specimen received from T. D. A. Cockerell. 



Belyta frontalis, sp. nov. 



(PLxiv, Fig. 4, 9-) 



?. Length, 3'""'. Polished black, the abdomen brownish; frontal 

 prominence very large, half the length of the head. Antenmr 15- 

 jointed, incrassated toward tips, moniliform, brownish yellow, the two 

 or three apical joints fuscous; scape very long, stout; first flagellar 

 joint twice the lengtli of the pedicel, the following joints to the last 

 moniliform, the last oblong. ]Mandibles, palpi, and legs pale brownish 

 yellow. Metathorax without a median carina, but with delicate lateral 

 cariujc, the disk polii^hed. the ay)ex margined, the lateral angles acute. 

 Wings subhyaline, the venation pale, the marginal vein one-third 



