COLLECTED IN BORNEO. 133 



Gen. Dacus. 



153. Dacus asneus, Wied. Auss. Zweifl. ii. 513. 2. 

 Inhabits also Java. 



154. Dacus determinates, n, s., mas. Nigro-asneus, capite antennis pedi- 

 busque fulvis, thorace vittis tribus albidis duabusque fulvis, abdomine 

 ferrugineo basi irigro, tibiis anticis tarsisque niseis, alis sublimpidis apice 

 fasciisque duabus fuscis. 



Male. iEneous-black. Head and antennae tawny. Thorax with three whitish 

 stripes and with two tawny stripes ; the latter are united at the tip of the 

 scutellum, and the whitish bands extend obliquely on each side to the pectus. 

 Abdomen ferruginous, black above at the base. Legs tawny ; tips of the 

 femora darker ; posterior femora minutely spinose beneath ; tarsi and fore 

 tibiae brown. Wings nearly limpid, brown from the discal transverse vein to 

 the tips, and with two brown bands ; 1st band very imperfect ; 2nd very 

 pale and diffuse on the hind half of the wing. Halteres whitish. Length 

 of the body 4^ lines ; of the wings 7 lines. 



155. Dactjs fkhtrattjs, n. s., fcem. Niger, capite antennis pedibusque 

 fulvis, vertice nigro, thorace vittis tribus (intermedia quadriramosa) pec- 

 toreque tes^aceis, abdomine vitta antica- fasciaque luteis, tibiis tarsisque 

 posterioribus fuscis, alis subcinereis apice fuscis plaga media, costali lurida, 

 halteribus albidis. 



Female, Black, shining. Head and antennas pale tawny; vertex black. 

 Thorax with three testaceous stripes, the middle one emitting two oblique 

 branches on each side. Pectus with two testaceous stripes. Abdomen 

 with a luteous stripe extending from the base to the middle, where it is 

 united to a luteous band. Legs tawny; posterior tibias and tarsi brown. 

 Wings slightly greyish, with a large lurid space along the middle of the 

 costa ; tips brown ; veins black. Halteres whitish. Length of the body 

 3| lines ; of the wings 6 lines. 



Gen. Noeeta, Desv. 



156. Noeeta latiuscula, n. s., mas. Nigra, capite testaceo, thorace cinereo, 

 scutello nitido, tibiis tarsisque albidis, illis fusco-fasciatis, alis nigro-fuscis 

 guttis plurimis limpidis apud costam dilatatis limpidis fusco-fasciatis. 



Male. Black. Head testaceous, with white tomentum in front and beneath. 

 Antennas and halteres testaceous. Thorax with grey tomentum. Scutellum 

 brilliant black. Abdomen shining. Tibias and tarsi whitish, the former 

 with brown bands. Wings blackish-brown, with many limpid dots ; costal 

 part limpid, somewhat dilated, with transverse brown streaks. Length of 

 the body 1£ line ; of the wings 3 lines. 



Gen. Trypeta, Meig. 



157. Trypeta rttdis, n. s., foem. Nigra cinereo -tomentosa, capite thoracis 

 scapulis fascia interrupta scutello abdominis apice pedibusque testaceis, 

 alis sublimpidis fasciis duabus fuscis l a postice abbreviata. 



Female. Black, with cinereous tomentum. Head testaceous in front and 

 beneath. Antennas, legs and halteres testaceous. Scapulas of the thorax, 



