AKT. 6 XOTES OX ORIENTAL SAPROMYZID FLIES MALLOCH 43 



14. Outer cross veins of wing not bordered with brown — flavicornis (Kertesz). 

 Outer cross vein of wing bordered with brown 15. 



15. Thorax testaceous yellow, without darlc dorsocentral vitta. 



distincta (Kertesz). 

 Thorax testaceous yellow, with a dark dorsocentral vitta 16. 



16. Legs mostly black-brown fuscipes (Kertesz). 



Legs mostly yellow testaceipes (Kertesz). 



17. Abdomen without paired black spots on apical tergites__ papuana (Kertesz). 

 Abdomen with paired black spots on one or more of the apical tergites — IS. 



18. Fourth tergite with a pair of black spots chyzeri (Kertesz). 



Tergites 4 to 6 each with a pair of black spots, and an additional central 



black spot on 4 and 5 octoguttata (de Meijere). 



19. Mid tibia with a posterior series of strong setulae or short bristles which 



are noticeably longer and stronger than the other tibial hairs 20. 



Mid tibia with the usual weak regular hairing on posterior side 34. 



20. Hind tibia without a preapical dorsal bristle; fore tibia in male distinctly 



compressed (Poecilomyza, new subgenus) boettcheri (Frey). 



Hind tibia with a distinct preapical dorsal bristle; fore tibia in male not 

 compressed (Subgenus Neohomoneura Malloch) 21. 



21. Ocellar bristles reduced to microscopic hairs; orbital bristles longer and 



stronger than usual ; a testaceous yellow species, with a broad black cen- 

 tral vitta on thoracic dorsum which extends over scutellum except on the 

 narrow margin, the abdomen with a similar black dor.sal vitta. 



aberrans (de Meijere). 

 Ocellar bristles long, and rather strong 22. 



22. Anterior sternpleural bristle minute ; eye with a very distinct shallow 



emargination on lower half of posterior side (fig. 39) ; wing white, with 

 a large fuscous mark occupying more than posterior half, but not extend- 

 ing to base or to apex albicosta, new species. 



Anterior sternopleural bristle well developed ; eyes usually not, or but 

 little, emarginate behind ; wings not marked as above 23. 



23. Wings grayish or yellowish hyaline, without markings 24. 



Wings yellowish hyaline, with conspicuous brown markings ; thorax yel- 

 lowish or fulvous testaceous, immaculate ; mid and hind femora without 

 long ventral bristles 26. 



24. Frons slightly yellowish in center, entirely pale gray dusted, densely so on 



the orbits, either of which is as wide as the interfrontalia; thorax fuscous, 

 with a broad pale gray dusted central stripe as in viatrix de Meijere ; 

 apex of scutellum pale testaceous ; abdomen testaceous, with a large black 

 mai'k on each side of each tergite which leaves only a narrow central 

 vitta and the apical and lateral margins testaceous ; femora black, tibiae 

 and tarsi testaceous; venter of abdomen of male with many quite long 



bristles, the hypopygium rather densely setose setiventris, new species. 



Frons either entirely or partly fuscous ; other characters not as above 

 in their entirety 25 



25. Thorax blackish ; mid femiir with long bristles on posteroventral surfaces ; 



hind femur with long bristles apically on anteroventral surface. 



lugubris (de Meijere). 



Thorax testaceous yellow, with two broad fuscous vittae on dorsum^ and 



two large blackish spots on pleura ; mid and hind femora without long 



ventral bristles yerburyi, new species. 



26. The dark markings at wing tip extending to extreme apices of veins 27. 



At least some of the dark marks at wing tip ending before apices of 



veins 33. 



