4i') Miss G. RicarJo oti the Asilida?. 



large, clear, with a yellowish tinge; veins yellow, the small 

 transverse vein beyond the middle of the discal cell. 



Female identical, the bristles on thorax and scutelluni 

 almost entirely yellow; the short bristles on the hind 

 femora below are seven, with three on the upperside ; 

 ovipositor short, black. 



The femora iu the other male and female are reddish 

 yellow. 



Machimus assamensis, S ? , sp- "• 



Type (male') and type (female) from Assam (fF. F. 

 Badyhy), 19U6, 185. ' 



A handsome black species Avith yellow pubescence, in 

 general appearance somewhat similar to Machinuis dubitis, 

 sp. n. Legs with few bristles, uniformly black, with some 

 yellow pubescence. Moustache black and yellow. 



Length 22 mm. 



Male. — Face covered with yellowish tomentum ; tubercle 

 laro-e. Moustache composed of black bristles above and 

 bright yellow bristly hairs below. Palpi black, with black 

 hairs. Beard bright yellow, thick hairs round head the 

 same colour, mixing with the postocular black bristles. 

 Antennce blackish brown, the first two joints -with black 

 bristly hairs, third joint broken oH". Thorax greyish yellow, 

 almost entirely covered by the blackish-brown stripes ; i)rae- 

 sutural bristles three in number, supra-alar three, post- 

 alar two, all black and very long and strong; the dorso- 

 central bristles apparently ten or so in number, interspersed 

 with long black hairs ; pubescence on dorsum black. 

 ScuteUain with four black bristles on its margin. Abdomen 

 grevish yellow, the usual blackish spot en each segment 

 gives the' abdomen a black appearance ; pubescence at sides 

 and on dorsum bright yellow; genitalia shining black, with 

 black and yellow hairs ; the eighth ventral segment produced 

 to a long blunt point covered with black hairs and with 

 vellow hairs at the sides. Legs black; femora stout with 

 short white pubescence and longer white hairs below, no 

 bristles on the first pair, only two or so on the middle pair, 

 very long and strong, on the hind pair two below, four on 

 the'upperside and two at apex, fore and middle tiijise with 

 vellov short hairs, the hind pair with black hairs, all with 

 black bristles, the fore and hind pair and metatarsi with a 

 thick fringe of appressi d fulvous hairs on under surface. 

 pyinys grey, only a streak of pale colour iu the middle and 



