46 DIPTERA 



H. ORiENTALis. ScMner, I.e., p. 331 (1868). 



Male. Thorax brown ; dusted witli brownisli-yellow^ and with four 

 longitudinal black streaks. Scutellum and abdomen dirty rust-yellow. 

 Bristles strong^ two on the middle and a row on the hind margin of 

 each of the segments ; below close yellow hair with strong black 

 bristles ; the hindermost are short and brush-like. On the sides of 

 the abdomen, in the centre of the fourth segment, there is a black 

 flap-like organ, covered with short but strong bristles ; centre of the 

 belly with pointed bristles, the sides bald. Head yellow, front 

 brownish-red, shining-grey on the sides. Antennae black, the third 

 joint the same width, but longer than the second, blunt ; the penulti- 

 mate joint of the style elongated ; palpi yellow ; whiskers yellow. 

 Legs inist-yellow ; thighs above and on the base below, and tarsi, 

 blackish-brown. Wings almost hyaline ; all the veins, the base, and 

 the fore-rim with a rust-brown shade. 



Length, 6\ lines. 



H. ZELICA. TValker, I.e., p. 711 (Taehim), (1849). 



Body clothed with black hairs and bristles. Head tawny, silky, 

 clothed beneath with pale-yellow hairs, darker on the crown, and 

 having there a broad dark ferruginous stripe, which widens from the 

 ocelli to the base of the antennae ; sides of the face fringed with 

 bristles for one-fourth from the length of the base ; epistoma some- 

 what prominent ; eyes pitchy, hairy, red along the borders ; proboscis 

 black, clothed at the tip with tawny hairs ; palpi tawny, long, beset 

 with black bristles. Antennae pitchy, shorter than the face, second 

 joint ferruginous towards the tip; third joint black, nearly linear, 

 much more than twice the length of the second, hardly concave above, 

 slightly convex beneath, rounded at the tip ; style much longer than 

 the third joint; its second joint rather short, but longer than the first; 

 third joint stout, tapering from the base to the tip. Thorax dark 

 brown, adorned with five paler indistinct stripes ; sides and scutellum 

 ferruginous, breast pitchy. Abdomen bright tawny, clothed with 

 tawny hairs and black bristles ; the latter are chiefly on the hind 

 borders of the segments, and towards the tip; a black band on the 

 hind border of each segment. Legs ferruginous, clothed with black 

 hairs and bristles; claws and foot-cushions pale tawny, tips of the 

 claws black. Wings dark grey, tawny at the base, brown along the 

 borders of the veins, and especially of the cross-veins ; tip cross-vein 

 forming a slightly acute angle with the fourth longitudinal vein, 

 much curved near the base, straight from thence to the tip, joining 

 the border at some distance above the tip of the wing ; lower cross- 



