OBAPTOMYZA. 



59 



with a brown band on the subapical cross-vein ; hind cross-vein 

 with a broad spot ; end of the anal cell with an ill-defined brown 

 spot. rb 



Type 5 . a single specimen from Obuasi, Ashanti, 23. vi. 1907 

 (Dr. W. M. Graham). 



52. Graptomyza aurea, sp. n. 



cT $ . Length of body 8 to 9 mm. 



Allied to the preceding species, but larger and distinguished by 

 the black facial stripes, the black abdomen clothed at the end with 

 golden hairs, and by the shorter basal joint of the middle tarsi, 

 which besides is dilated in the male. 



Head as in G. xanthopoda, but a little more produced ; frons of 

 equal width in both sexes, with the two foveaj merged into a single 



Fig. 11. Graptomyza aurea, sp. n. <5 X 5. 



broad depression, and the two lateral yellow spots usually fused 

 together along the eyes; the three facial stripes are well marked, 

 black, but not broad ; hairs on eyes longer ; antennae as in the pre- 

 ceding species, but the hairs on the arista a little longer. Thorax 

 with the colour and hairs as in G. xantliopocla. but the golden hairs 

 more abundant and longer, chiefly towards the hind border; 

 bristles similar. Scutellum very different, with a smaller and 

 deeper median depression, which is dark and dusted in the middle ; 

 the golden hairs are longer ; the four bristles as in the preceding 

 species, but the apical ones are distant and not decussate. Halteres 

 and metanotum as in G. xantJiopoda ; squamulae dark, with golden 

 fringe. Abdomen of the same shape and punctate as in the pre- 

 ceding species, but towards the end clothed with longer and denser 

 golden hair ; first segment, black, with only the middle depression 

 and the tips of the lateral prominences yellow ; second black, with 

 a median vcllow hind border, abbreviated laterally and united with 



