^y8 Records of the Indian Museum. [Vol. IV, 



no question of its identity with Chrysops costatus, W., which Walker 

 takes to be identical with Chrysops bifasciatus, Macq. Chrysops 

 costatus is distinguished from both species by the wholly grey 

 apex of wing. Till now no species of Chrysops has been known 

 from Manila, and in general few from the continents lying to our 

 east. Schiner, Reise Novara Diptera, p. 104. 



The allusion to Walker's identification of Chrysops costatus 

 with the Macquart species is to be found in List Dipt. Brit. Mus. 

 V, Suppl. i, p. 288, and may be disregarded; Chrysops costatus 

 is a South American species. As I believe Chrysops bifasciatus, 

 Macq., to be a synonym of Chrysops dispar , Fabr., this species is 

 probably identical in the wing-markings with this latter, but can 

 hardly be the same, judging from Schiner 's description of the 

 abdomen. The species is unknown to me. 



Chrysops miokosiewiczi, ? , Bigot. 



Ann. Soc. Entom. France (5), x, p. 146 (1880); Ricardo, 

 Ann. Mag. Nat. Hist. (7), ix, p. 378 (1902). 



Chrysops striatus, 9 , V. d. Wulp, Notes Leyden Museum, vii, 

 p. 79 (1885). 



Chrysops iranensis, 9 , Bigot, Mem. vSoc. Zool. France, v, 

 p. 602 (1891). 



Thorax ashy grey with three brown stripes : abdomen 

 ochraceous with four black stripes, head yellowish with a shining 

 black frontal callus, the facial calli shining testaceous; antennae, 

 palpi and legs red ; apex of antennae black ; wings hyaline ; with 

 the base, the costal border to the apex, and the median band 

 which does not reach the posterior border, brown. 9 . Length 

 6 mm. 



Antennae one and a half as long as the head, almost bare, 

 reddish yellow, black towards the end ; second joint shorter than 

 the first ; the third one about as long as the other two together. 

 Front with ^^ellowish grey dust ; the ocellar triangle darker ; above 

 the antennae a large, shining black knob ; face rather prominent 

 on account of the two large knobs, which are testaceous, very 

 shining and coherent ; cheeks with yellowish grey dust. Rostrum 

 fuscous ; palpi reddish yellow. Thorax yellowish cinereous, with 

 three very distinct fuscous stripes ; scutellum coloured like the 

 thorax. Abdomen ochraceous, with two black longitudinal bands, 

 which are interrupted at the segmentations, and moreover with a 

 less distinct lateral row of blackish spots ; under surface of the 

 abdomen uniform ochraceous, darker towards the end. Legs 

 reddish yellow ; posterior coxae cinereous ; tarsi brown ; the 

 tibiae not dilated. Halteres yellowish brown. Wings hyaline, 

 the base, the costal border and the usual cross-band brown; the 

 latter extends till half the breadth of the wing, surrounds the 

 discal cell, the centre of which remains hyaline, and goes along 



