76 Mr. F. W. Edwards on the Old-World 



75. Cross-vein r vertical, far beyond base of 



Ro. (Sumatra.) mwnatrensis, Macq. 



Cross-vein r very oblique, close to or 

 even before base of R;. 76. 



76. Flagellum and legs yellow ; head dark 



brown ; frontal tubercle simple ; central 

 fascia reaching hind margin. (Assam.) assamensis, sp. n. 

 Flagellum and legs dark; head velvet- 

 black ; frontal tubercle divided ; central 

 fascia rarely reaching hind margin. . . . 77. 



77. Male abdomen with segments 3-5 elon- 



gate, shining black at the base, pale 



bluish grey in the middle, velvety- \^{ = velutina, Walk.). 



black at the tip. (India.) nepalensis, Westw. 



Male abdomen with segments 3-5 much 

 shorter, without bluish-grey bands in 

 the middle. (W. China.) sinensis, sp. n. 



78. Dorsum of thorax orange. (Tonkin, 



Assam.) ^fenestrata, Brun. 



Thorax black or dark grey 79. 



79. Thorax grey with black stripes, legs 



mainly yellow. (India.) Jlavipes, Brun. 



Thorax entirely black, somewhat shining ; [ffuttata, Mats.), 



legs blackish. (Hong Kong ; Japan.) /ii[2)a,W&lk. (=albo- 



80. Abdomen entirely dull black ; four pos- 



terior cells. (India.) ^nigermna, Brun. 



Abdomen not entirely dull black 81. 



81. Four posterior cells ; apex of abdomen 



shining. (Philippines.) 82. 



Five posterior cells 83. 



82. Hind legs normal ; abdomen dilated, with 



yellowish bands near base Hativentris, Bezzi. 



Hind legs thickened ; abdomen not 

 dilated, entirely black *crassipes, Bezzi. 



83. Thorax reddish ; legs mainly yellow. 



(Java.) mesopyrrha, Wied. 



Thorax black or blackish brown 84. 



84. Femora and tibiae yellow with black tips. 



(Philippines.) perennis, O.-S. 



Legs black 85. 



85. Wings yellow at base 86. 



Wings dark at base 87. 



SQ. Second, third, and ninth abdominal seg- 

 ments orange, rest black. (Sumatra.) . hicolor, Mcq. 

 Abdcmiinal segments 2-5 orange with 

 broad black hind margins. (Java.) . . *cingulata, Meij. 



87. Abdomen orange on basal half ; central 



fascia reaching hind margin. (Sumatra.) pyrrhomesu, Edw. 

 Abdomen with one or two yellow cross- 

 bands near base; central fascia not 

 reaching hind margin. (Philippines.) . mnansueta^ O.-S. * 



88. Five posterior cells ; abdomen with grey 



bands ; wings with white spot at the 



tip, central spot divided 89. 



Four posterior cells 95. 



89. Basalhalfof wing entirely yellow. (Hong 



Kong.) ^ chrysomeJa, sp. n. 



