220 Miss G. Ricaulo on the Asilidse. 



Promachiis yerburiensis, sp. n. 



Type (male), type (female) in coitu, Trincomalee, Ceylon, 

 18. viii. 91 {Lt.-Col. Yerbury), and a series of males aud 

 females from Ceylon. 



A male and other specimens from Guindy, Madras (Cragg 

 Coll.). Female and other specimens from Coimbatore, 

 S. India, I. E. E. Coll. 



A fair-sized species. Abdomeyi with black spots and broad 

 greyish bands. Moustache whitish, black below. Legs 

 blackish, the tibiae reddish yellow. Scutellum with yellow 

 and black bristles. Genitalia of male simple. Ovipositor 

 long. 



Length, (^ 25, ? 28-29 mm. 



Male. — Face covered with pale yellowish tomentum. 

 Moustache composed of wliitish-yellow bristles with two or 

 three black bristles interspersed and a row fringing the oral 

 aperture, whitish-yellow sliorter bristly hairs are continued 

 to the base of the antennie. Palpi with black hairs and 

 some yellow hairs at the base. Beard white. Antenn(S 

 black with white hairs on the first two joints. Pubescence 

 on forehead black with some white hairs. Bristles on occiput 

 black. Thorax black covered with greyish tomentum, the 

 stripes distinct, pubescence of short black hairs, some longer 

 white ones with strong black bristles on the posterior half. 

 Scutelluni with black and yellow bristles and long white 

 hairs. Abdomen with rather dense short pubescence, black 

 on the spots, yellowish grey on the pale parts and on the 

 first segment and partially on the second segment ; hairs at 

 sides and on the underside chiefly yellowish. Genitalia not 

 large, the upper pair of forceps black, shining, club-shaped, 

 the under pair short, stout, both with black hairs, the 

 preceding segment black, shining. Legs blackish, tibias 

 black at apices, all bristles black ; pubescence black, white 

 and long on the underside of femora, on the hind pair 

 interspersed with black hairs, tibiae with chiefly short yellow 

 pubescence, but short black hairs are also present. Wings 

 shorter than the body. 



Female identical. Ovipositor long, composed of the last 

 three segments. 



Table for Species east of Cochin China and Bnrmah. 



1. Abdiinii'ii witli hands or tufts of liplitor- 



coldiiri^d liairs at base "2. 



AhdomtMi with no such bands or tufts . 5. 



2. Legs wliolly black hifasclatus, F. 



Lej^'s pnrtly reddish, femora black above. '^. 



