HYPEKALONIA. 181 



the frons along the eye-margins, clothed with stiff black hairs and 

 small yellow scales and some short bright yellow hairs around 

 the yellowish mouth-opening ; proboscis black ; antennae black ; 

 occiput black, with small yellow scales, at least near eye-margins, 

 probably extending much further hindwards also, with a fringe of 

 yellow hairs on the hinder margin. Thorax dark olive-brown, 

 nearly black ; anterior margin with thickly placed, long orange- 

 yellow scales ; a bunch of reddish-orange scales below the 

 shoulders, and also apparently in the same places as they occur 

 in H '. flaviventris : short yellow hairs above the wings and on hind 

 margin of dorsum ; posterior calli reddish brown ; scutellum red- 

 brown, base more or less black, hind margin with short yellow 

 hairs ; macrochaetae of thorax and scutellum as in H.flaviventris. 

 Abdomen black, with a slight violet tinge ; a bunch of elongate 

 orange scales at sides of 1st segment and traces of a few silvery- 

 white scales on 6th towards the sides ; venter black, with some 

 scale-like yellow hairs and much longer fine yellow hairs, forming 

 together a median stripe; genitalia very dark brown, shining, 

 knob-like, with a row of spines at tip. Legs dark yellowish 

 brown; femora and tibiae with small bristles, strongest on hind 

 tibiae; femora with closely applied small concolorous scales. 

 Wings rather dark brown ; outer fourth of marginal cell and the 

 three outer submarginal cells wholly or nearly wholly pale grey; 

 alulae and alar squamae with a fringe of dark brown scales; 

 halteres blackish brown, tips of knobs paler. 



Length, 1112^ mm. 



Eedescribed from one d 1 in the Indian Museum from Tenmalai, 

 Travancore, 22. xi. 1908 (Annandale). 



135. Hyperalonia tantalus, F. 



Anthrax tantalus, Fabric! us, Ent. Syst. iv, p. 260 (1794) ; Wiede- 

 maiin, Auss. Zweifl. i, p. 255 (1828); Macquavt, Hist. Nat. Dipt, 

 i, p. 401 (1834). 



Exoprosopa tantalus, Macquart, Dipt. Exot. ii, 1, p. 37 (1840) ; 

 Kerte"sz, Kat. Poloearc. Dipt, ii, p. 169; de Meijere, Tijd. v. Ent. 

 1, p. 239 (1907). 

 Hyperalonia tantalus, Rondani, Ann. Mus. Geneva, vii, p. 453 



(1875); Brunetti, Rec. Ind. Mus. ii, p. 438 (1909). 

 Anthrax cceruleopomis, Doleschall, Nat. Tijd. Ned. Ind. xiv, p. 400, 



pi. ix, fig. 2 (1857). 



c? $ . Head with frons barely one-third the width of the head 

 above antennae, narrowing to two-thirds of this width at vertex ; 

 black, with black hairs on upper part, and with black hairs mixed 

 with yellow scale-like hairs on lower part ; face reddish brown, 

 with a blackish median longitudinal stripe, irregular in extent; 

 mouth-border varying from reddish brown to yellowish white; 

 proboscis and palpi black, concealed; antennae wholly black; 

 occiput black, with small yellow depressed hairs. Thorax black, 

 with black pubescence, bearing bright orange or yellowish-orange 

 scaly hairs on anterior margin and in bunches and patches as in 



