ABT. 6 NOTES ON ORIENTAL SAPEOMYZID FLIES MALLOCH 13 



2. Longest hairs on arista not as long as width of third antennal segment ; 



thorax with two series of intradorsocentral hairs ; palpi black at apices ; 

 wings browned, more noticeably so along costa, their apices usually nar- 

 rowly whitish from tip of second to tip of fourth vein ; f rons dull yellow, 

 with a large velvety black ocellar mark, and brownish marks at bases of 

 the orbital bristles; face usually with a large violet-black spot on each 



side; halteres yellow 3. 



Longest hairs on arista more than twice as long as width of third antennal 

 segment 5. 



3. Wing tip not whitish hyaline ; face unspotted ; second wing vein not very 



close to costa divergens Frey. 



Wing tip whitish hyaline; face spotted; second wing vein close to costa — 4. 



4. Abdomen largely glossy blackish ; fore tibia at middle, and hind femora 



basally, more or less darkened; hypopygium as Figure 11. 



melanogaster (Thomson). 



Abdomen normally glossy testaceous yellow ; fore tibia and hind femora not 



darkened ; hypopygium as figure 12 convergens Hendel. 



5. Wings entirely yellowish hyaline ; head yellow, marked as in the two next 



preceding species, but the palpi entirely yellow ; legs yellow, a small dark 

 preapical ventral mark on fore femur, and the apical four segments of fore 

 tarsi dark ; face smooth and glossy, evenly convex ; intradorsocentral hairs 



biseriate minor (de Meijere). 



Wings conspicuously infuscated ; thorax and abdomen black, pleura with, or 

 without, a large yellow mark above ; legs more extensively black ; palpi 

 and halteres fuscous ; intradorsocentral hairs quadriseriate 6. 



6. Head largely yellow, face entirely so ; second wing vein not closer to costa 



than to third vein divergens Frey. 



Head largely or entirely black, face not entirely yellow ; second wing vein 

 nearer to costa than to third vein 7. 



7. Thoracic dorsum and pleura black, the former with series of spots and 



vittae, and the pleura with spots and streaks, of black color on a gray- 

 dusted ground; face not rugose; wings fuscous, with irregular hyaline 

 markings on disk, a rather large round hyaline spot beyond middle of 

 first posterior cell, and a small one below it, and the narrow apices most 

 conspicuous ; inner cross vein about one-third from apex of discal cell 



(Australia) annulipes Malloch. 



Thoracic dorsum black, with or without gray dusted vittae, but without 

 black dots ; wings not marked as above, the inner cross vein close to middle 

 of discal cell 8. 



8. Fore legs entirely black 9. 



Fore legs not entirely black 10. 



9. Mesopleura yellow; apices of wings not hyaline bakeri Bezzi. 



Mesopleura black; apices of wings hyaline aterrima Frey. 



10. Frons opaque yellow, the ocellar spot and a spot on each side at upper eye 



margin opaque black ; tip of wing not hyaline ; mid and hind tibiae yellow. 



pusilla Frey. 

 Frons black; other characters not as above 11. 



11. Center of frons entirely glossy black, ocellar spot and a large mark at an- 



terior margin on each side velvety black ; apex of wing hyaline ; mid and 

 hind tibiae pale, with black annuli ; pleura and fore metatarsus black. 



buruensis Malloch. 

 Center of frons not entirely glossy ; pleura on upper half, and the fore meta- 

 tarsus yellow 12. 



