116 



Tachinidae. 



together with cheeks and jowls silvery. Frontal stripe velvet black. 

 No vertical bristles present. Frontal bristles reaching to insertion 

 of antennæ, stopping above before vertex. Jowls with black hairs. 

 Occiput blackish with black hairs. Antennæ black, third joint at 

 least one and a half times as long as second; arista very short- 

 pubescent. Palpi blackish. Thorax black, dull, humeri whitish prui- 

 nose, for the rest thorax very slightly pruinose and with a slight 



Fig. 18. Wing of W. cwvicauda o • 



indication of stripes in front; it has longish, black hairs; no post- 

 humeral but an intraalar bristle. One sternopleural bristle and some 

 bristly hairs. Abdomen black, somewhat shining, especially at apex; 

 it is black-haired with not short hairs; only marginal bristles, on 

 second segment a pair and likewise on third, or here a more or less 

 complete row, and on fourth and fifth a row. Genitalia forming a 

 conspicuous, slightly petiolate knob, bent in under venter. Legs 

 black. Wings almost clear; veins blackish; first posterior cell just 

 closed at the margin, or narrowly open, ending at apex of wing; 



angle on discai vein quite obtuse, 

 more or less rounded. Thoracic 

 squamula whitish to yellowish, 

 Halteres black. 



Female. Frons broad, as broad 

 as the eye; orbits black and shin- 

 ing, bare. Antennæ with third joint 

 longer than in male. Thorax and 

 pleura shining. Abdomen with the 

 marginal bristles only on middle of 

 the segments; sixth segment long, 

 cylindrical, slightly curved, bent in 

 under venter and with an apical 

 Fig. 19. W. curvicauda $, abdomen. process on ventral side ; it is almost 



