ART. 6 NOTES ON ORIENTAL SAPEOMYZID FLIES MALLOCH 51 



94. Inuer cross vein and round extreme margin of wing tip slightly clouded. 



halterata (Kertesz). 

 Inner cross vein and margin of wing tip not clouded. 



novaeguineae ( Kertesz ) . 



95. Thoracic dorsum with eight or ten series of short intradorsocentral 



hairs 96. 



Thoracic dorsum with six or less series of short intradorsocentral hairs 101. 



96. Tergites of apical half of abdomen with a black dorsocentral spot or vitta, 



and all except the rudimentary basal and apical tergites with a complete 



narrow black apical fascia biroi (Kertesz). 



Tergites without distinguishable black markings, sometimes apex of abdo- 

 men dark 97. 



97. One or two of the setulae just in front of the supra-alar bristle usually as 



long as those on tegula ; anterior one of the three apical ventral bristles 

 on mid tibia but little shorter than middle one ; apical bristles on fifth 

 tergite in female shorter and weaker than those on fourth ; no outstand- 

 ing setula at upper extremity of the series of hairs on lower part of 



sides of face 98 



No outstanding setulae in front of supra-alar bristle, the longest hairs 

 much shorter than longest setula on tegula ; anterior one of the ventral 

 bristle on mid tibia not half as long as middle one; apical bristles on 

 fifth tergite not noticeable shorter nor weaker than those on fourth 100. 



98. Outer cross vein slightly but distinctly clouded ; abdomen not infuscated 



on apical half; hypopygium as Figure 83 grossa (de Meijere). 



Outer cross vein not at all clouded ; abdomen infuscated on apical half- 99. 



99. Hypopygium as Figure 84 fuscobrunnea, new species. 



Hypopygium as Figure 85 : nigroapicata Malloch. 



100. An outstanding setula at upper extremity of the series of fine hairs on 



lower part of sides of face; anterior orbital bristle about three- 

 fourths as long as posterior one simplisissima (de Mei.iere) 



No outstanding setula on lower part of sides of face, the fine hairs of 

 almost uniform length ; anterior orbital bristle as long as posterior one ; 

 hypopygium as Figure 86 sauteri Malloch. 



No outstanding bristle on lower part of sides of face ; hypopygium as 

 Figure 84 fuscobrunnea Malloch. 



101. Apical third or more of third antennal segment deep black 102. 



Antennae entirely yellow 103. 



102. Anterior orbital bristle less than half as long as posterior one ; hypopygium 



as Figure 87 affinis, new species. 



Anterior orbital bristle more than half as long as posterior one ; hypopy- 

 gium as Figure 88 sublucida, new species. 



103. Outer cross vein distinctly, but inconspicuously, clouded with brown ; 



anterior orbital fully half as long as posterior ; hypopygium as Figure 89. 



laticosta (Thom.son). 

 Outer cross vein of wing not clouded 104. 



104. Anterior orbital bristle less than half as long as posterior one ; sides of 



face slightly white dusted; hypopygum as Figure 90. 



lucida (de Meijere). 

 Anterior orbital bristle over half as long as posterior one 105. 



105. Sides of face when seen from above very conspicuously white dusted, 



silvery; hypopygium as Figure 91 unguiculata (Kertesz). 



Sides of face not, or very little, white du.sted 106. 



