ART. 6 NOTES ON ORIENTAL SAPROMYZID FLIES MALLOCH 73 



The chaetotaxy is similar to that of the dentifera group, but 

 the male hypopygium is quite different. (Fig. 67.) 



Length, 4 mm. 



Type. — Cat. No. 41155, U.S.N.M. Type and paratype, Mount 

 Maquiling, Luzon (C. F. Baker). 



I have placed here also three females from the same locality. 



HOMONEURA (HOMGNEUEA) NIGRITA, new species 



Male. — Agrees with piceoides in all characters except the struc- 

 ture of the male hypopygium. (Fig. 68.) 



Length, 3.5 mm. 



Type. — Cat. No. 41159, U.S.N.M. Type and paratype., Singapore 

 (C.F.Baker). 



HOMONEURA (HOMONEURA) LUZONENSIS, new species 



Male. — Testaceous yellow, slightly shining. Ocellar region not 

 darkened; antennae and palpi yellow. Thorax unicolorous yellow. 

 Abdomen with a pair of round black spots on fourth visible tergite. 

 Wings yellowish hyaline. Legs yellow. Halteres yellow. 



Frons about 1.5 as long as wide at vertex; ocellars short and fine, 

 extending to about middle of frons, not as strong as postverticals ; 

 orbitals long, anterior pair the shorter; inner vertical bristles much 

 longer than outer pair; arista with long hairs; hairs on margin of 

 cheek fine and short. Thorax with three postsutural pairs of strong 

 dorsocentrals and one presutural and three postsutural pairs of 

 strong acrostichals, the presutural pair rather widely separated; 

 anterior sternopleural bristle short. Abdomen broad, apical tergal 

 bristles rather long. Legs normal, the fore femur with antero ventral 

 comb. Wings rather narrow; inner cross vein very slightly before 

 middle of discal cell; ultimate section of fourth vein about 1.5 as 

 long as penultimate section. 



Length, 5 mm. 



Type.— C^t. No. 41134, U.S.N.M. Mount Maquiling, Luzon (C. F. 

 Baker), 



The strong acrostichal bristles distinguish this species from any of 

 those in which the abdomen is bipunctate with black. 



HOMONEURA (HOMONEURA) ROBUSTA, new species 



Male. — Head largely pitchy colored, center and anterior margin of 

 frons, sides, and lower margin of face, and the entire antennae, testa- 

 ceous j'^ellow. Thorax testaceous yellow, rather distinctly shining, 

 with slight grayish dusting, mesonotum with a broad fuscous central 

 vitta on entire length; pleura largely fuscou,s; scutellum testaceous 

 yellow, metanotum fuscous centrally. Abdomen shining black. Legs 



