Miss 0. Rlcanlo on the Asilidro. 53 



pair on tlio under surface; tarsi witli similar long hlack 

 bristles, ll'itiys hyaline, f^rt'v on fore border and at apex, 

 with grey streaks in the posterior cells, the small transverse 

 vein barely beyond the middle ol" t!ie discal cell. 



Fi'iiinle identieal, but the moustache is entirely black; 

 ovipositor black, compressed, about the lenj;th of the two 

 j)rcccdiiig segments together; abdomen with the pale seg- 

 mentations more distinct and wider. 



AJachiiiius tii(/rinus, (^ ? , sp. n. 



Type (male) (160), type (female) (148), and a scries of 

 both males and females from l>o\vdali, oZOO feet, Julv 1909; 

 Khati, 7650 feet, 30. 5. 09 ; liliim Tal, 18. 6. 12; 'Binsar, 

 28. 5. 12 ; Takula, 27. 5. 12 ; Airades, 1. 6. 12 ; Chaubattia, 

 13. 6. 12 ; all localities in Kumaon. 



A small blackish species, distinguished from Machimus 

 inoiita/iNS by the wholly black legs and From Machimus 

 indianus by the absence of l)i'istles on the imderpart of 

 the fore femora. Al)domcn blackish with greyish segmen- 

 tations. ^Moustache black and white. 



Length, S 14-17, ? 13-17 mm. 



Male. — Face covered witii yellowish-white tomentnm; 

 tubercle large, blackish, covered with black stout bristles 

 and long white bristles iivtermixed on the lower part, all 

 forming the moustache. Palpi black with black hairs. 

 IJeard and hairs round head, w^hitc. Antennce blackish, the 

 first two joints with black hairs, the third with a style about 

 two-thirds of its length. Forehead hlackiah with black hairs, 

 postocular bristles black. Thorax yellowish brown, the 

 median stripe blackish brown, with a very fine dividing-line 

 anteriorly, the side-stripes the same colour ; prsesutural 

 bristles two in number, two supra-alar bristles, two postalar 

 bristles, and about six dorso-ccntral stout bristles, many fine 

 bristles or hairs intermixed with them. ScuteUam with six 

 marginal Ijristles. Dorsum of thorax covered with short 

 black bristles. Abdmnen greyish, with a large brownish- 

 black spot ou each segment, not attaining the posterior 

 border ; sides of segments with weak yellowish bristles, 

 (lenitalia large, black, with chiefly black pubescence; the 

 eighth ventral segment produced considerably, but not to a 

 point, fiinged with black hairs, at the sides they become 

 sparse and yellow. Leys black, covered with greyish short 

 pubescence ; the fore femora with long black hairs below, no 

 bristles ; two very strong bristles near apex, middle femora 

 with two very stout bristles at the apices, two or more on 



