HYPERA.LONIA. EXOPROSOPA. 189' 



style ; occiput blackish, with some pale yellow scales on orbital 

 margin and yellow hairs over the hind border. Thorax black ;. 

 front part of dorsum and around and below shoulders with thick 

 long bright yellow scales ; centre of dorsum with only sparse 

 short yellow and black hairs ; below the wing the hairs are nearly 

 white and bristly, behind the wing some long bright yellow 

 scales; some strong and very long black bristles on posterior 

 corners of dorsum, and two or three (or thereabouts) before the 

 wing ; some long stiff black hairs on humeral calli ; scutellum 

 dull reddish brown, with sparse depressed short yellow hairs,, 

 erect short black hairs, and a row of black bristles along hind 

 border. Abdomen black, with uniformly distributed short black 

 hairs ; 3rd, 6th aud 7th segments each with a band of small dirty 

 white scales (those of the 3rd more yellowish) occupying the 

 greater part of their dorsal surfaces, the bands on the 6th and 

 7th segments less conspicuous ; sides of 1st and 2nd segments 

 with long scaledike yellow hairs : venter blackish, with yellowish 

 pubescence, the basal part a little paler, with whitish hairs. Legs- 

 with coxae black ; femora brownish yellow, hind pair blackish 

 towards tips ; tibia? a little darker brown, hind tibiae and all tarsi 

 black ; fore femora with some black hairs on hinder side ; 

 posterior femora and tibiae with rows of short black bristles. All 

 femora and posterior tibiae with closely applied yellow scales ; the 

 whole of the tibiae and tarsi with minute black microscopic 

 pubescence. Wings dark grey, the anterior half (about), except 

 at tips, moderately dark blackish brown, the colour insensibly 

 dying away along the veins behind the middle of the wing ; 

 halteres yellowish. 



Length, 10 mm. 



Described from two $ 5 from Mahabaleshwar, Satafa District,. 

 Bombay Presidency, 4200 ft., 13-16. iv. 1912 (Gravely); in the 

 Indian Museum. 



Genus EXOPROSOPA, Macq. 



Exoprosopa, Macquart, Dipt. Exot. ii, pt. i, p. 35 (1810) ; Brimetti,. 



Rec. Ind. Mus. ii, pp. 443, 447 (1909). 

 Litorhynchus, Macquart, Dipt. Exot. ii, pt. 1, p. 78 (1840). 

 Trinaria, Mulsant, Mem. Acad. Sci. Lyon, (2) ii, p. 20 (1852). 

 Argyrospyla, Kondani, Dipt. Ital. Prod, i, p. 162 (1856). 

 Heteralonia, Rondani, Arch. Zool. Modena, iii, (sep.) p. 57 (1863). 

 Befilippia, Lioy, Atti Istit. Veneto, (3) ix, p. 733 (1864). 

 Aryyrospila, Verrall apud Scudder, Nomen. Zool. p. 32 (1882). 

 Exoptata, Coquillett, Can. Ent. xix, p. 13 (1887). 



Genotype, Bibio capucina, P. (as pandora, P.) ; by Rondani's 

 designation. 



Head approximately semicircular, as broad as or a little broader 

 than the thorax; occiput inflated, often considerably so; eyes 

 moderately approximate on vertex or wide apart ; frons barely 

 narrower in <S : ocelli present ; face generally conically projecting, 



