248 PR0CEEDIN08 OF THE NATIONAL MUSEUM. vol.46. 



Locality of type. — Cacao, Trece Aguas, Alta v. Paz, Guatemala, 

 April 25 (Schwarz and Barber). 



Paratypes. — One specimen same data as type; one specimen, Mot- 

 zoropago. Vera Cruz, Mexico, February 11, 1892 (H. Osborn); and 

 one specimen, San Kafael, Vera Cruz, Mexico, March 14 (C. H. T. 

 Townsend). 



8. HIPPELATES APICATA, new species. 

 Fig. 6. 



Female. — Glossy black; head yellow except triangle and occiput, 

 which are glossy black, and the upper half of frons which is black- 

 ened; third antemial joint browned above, or entirely yellow, arista 

 brown; lower margin of cheeks narrowly brown; proboscis browned. 

 Abdomen yellowish at base, apex, and ventrally. Legs yellow 

 apical half of hmd femora and tibiae black, last two tarsal joints on 

 all legs black. Wmgs clear, veins yellow, costal vein brown. Hal- 

 teres whitish yellow. All hairs and bristles on body yellowish. 

 Hmd tibial spur black, glossy. 



Frons a little over one-third the width of head; triangle occupying 

 almost entire width of vertex, reaching to four-fifths the distance to 

 anterior margin, sides straight, apex acute, its entire length exceed- 

 ing its greatest width, neither the marginal hairs nor punctures very 

 distinct; surface hairs on frons sparse; cheeks as broad as third 

 antennal joint, or slightly broader, margmal haii's weak; eyes about 

 one-third higher than long, bare; proboscis geniculated, its apical 

 portion almost as long as preceding portion, glossy, chitinised, but 

 not slender; antennae rather under the average size; arista short, not 

 equal in length to width of frons, very shortly pubescent. Meso- 

 notum Avith the hairs rather long, irregularly arranged posteriorly, 

 but on the anterior half the lines are traceable, each hak situated m 

 a distinct puncture, the outer rows most distinct, double; scutellum 

 with disk granulose, the apical pau- of bristles long, cruciate, the 

 tubercles at base small, and not closely approximated. In some 

 cases (probably immature specimens) the abdomen is almost entirely 

 yellow with a black lateral spot on sides of third and a black fore 

 marginal band on apical two segments. Hind tibial spur strongly 

 bent; situated well m front of apex of tibia and distinctly more than 

 twice as long as tibial diameter. Wings with third costal division 

 one-half as long as second; veins 3-4 parallel, the latter ending just 

 behind wing tip; outer cross vein oblique; last section of fifth vein 

 slightly longer than penultimate section of fourth. 



Length, 1,5-2 mm. 



Type.— C&t. No. 15962, U.S.N.M. 



Type-locality. — Mayaguez, Porto Rico, Januar}^, 1899 (A. Busck). 



