60 PROCEEDINGS OF THE NATIONAL MUSEUM vol.74 



Head as in Figure 39 ; f rons one-third of the head width, slightly 

 widened anteriorly, almost bare, the bristles all long, orbital stripes 

 not shining, diverging from eyes anteriorly; face evenly convex, 

 more pronouncedly elevated than usual in this genus; genal sutures 

 more evident than usual, as shown in figure. Thorax with three 

 pairs of strong postsutural dorsocentrals, one pair of prescutellar 

 acrostichals, about ten series of intradorsocentral hairg, the anterior 

 sternopleural lacking, and some hairs on the lower anterior portion 

 of mesopleura bristle-like ; scutellum flat above, apical bristles crossed. 

 Abdomen stout, tergites with the apical bristles strong on sides, 

 weaker centrally. Fore femur with an anteroventral comb; mid tibia 

 with the posterior setulae numerous and not prominent; hind femur 

 with one or two weak precapical anteroventral bristles. Inner cross 

 vein at middle of discal cell ; penultimate section of fourth vein fully 

 two-thirds as long as ultimate section. 



Length, 5 mm. 



Type.—G'Ai. No. 41140, U.S.N.M. Sandakan, Borneo (C. F. 

 Baker.) 



HOMONEURA (NEOHOMONEURA) SETIVENTRIS, new species 



Male and female. — Head fuscous, occipital margin and cheek tes- 

 taceous, with gray dust, upper portion of face gray dusted, frons 

 yellowish, gray dusted, orbits darker but obscured by very dense pale 

 gray dust; antennae testaceous, gradually darkening below, the upper 

 side of third segment basally palest ; palpi fuscous. Thorax fuscous, 

 Avith a broad central vitta of pale gray dust on dorsum extending 

 lateral of the series of dorsocentral bristles, and another, narrower, 

 vitta on each side; pleura with a gray dusted vitta across middle 

 of mesopleura and the lower portion of sternopleura gray dusted ; 

 apex of scutellum testaceous. - Abdomen testaceous, with a broad 

 black mark at base of each tergite which is narrowly interrupted in 

 center and leaves only the apex and lateral margins testaceous. Legs 

 testaceous, coxae and femora black. Wings grayish hyaline, veins 

 brown. Halteres yellow. 



Frons over 1.5 as long as wide, all bristles well developed, ocellars 

 shortest, orbits wide, the .surface with a few minute hairs; antennae 

 normal; arista iDlumose; cheek about half as high as width of third 

 antennal segment. Thorax normal ; scutellum flat above. Abdomen 

 of male with many ventral bristles, the liypopygium quite den.sely 

 setose. Fore femur with an anteroventral comb; mid femur with 

 some short fine bristles on posteroventral surface in male, the hind 

 femur in same sex with a series of quite long anteroventral bristles 

 which is duplicated centrally; preapical dorsal bristle present on all 

 tibiae. Inner cross vein close to middle of discal cell; penultimate 

 section of fourth vein about four-fifths as long as ultimate section. 



Length, 4 to 5 mm. 



