182 bombyliim;. 



H. jlaviventris and chrysolampis, and yellow hairs above wing-base 

 and on hind margin of dorsum ; inacrochaetae as in those species ; 

 posterior calli reddish brown. Scutellum reddish brown, base 

 more or less black, with black pubescence and with a row of spines 

 and short yellow hairs on hind margin. Abdomen almost entirely 

 as in H. chrysolampis, but the silvery-white scale-spots on 6th and 

 7th segments more elongate, nearly attaining the side-margins ; 

 a median ventral stripe of small whitish scaly hairs, no yellow 

 hair whatever being present ; genitalia concealed, yellowish brown, 

 with black bristles in cf , and yellowish with an apical circlet of 

 short black spines in $ . Legs black, sometimes a very dark 

 brown tinge to the tibiae ; vestiture as in H. chrysolamjpis. Wings 

 very dark brown, with a violet tinge; alula?, alar squamae, and 

 halteres as in H. chrysolampis. 



Length, 13-16 mm. 



Bedescribed from several specimens in the Indian Museum. 



Eanjitsing, Darjiling Bistr.; Khatgodam, ]N"aini Tal Bistr., 

 23. ix. 1915; Katmandu and Soondrijal, JS"epal; Sadiya and 

 Sibsagar, Assam ; Tranquebar ; Tenasserim ; Sumatra ; Java ; 

 Berlinhafen, Papua ; Borneo ; Celebes ; China ; Japan. 



Type in the Wiedemann collection. 



136. Hyperalonia chrysolampis, Jaen. 



Exoprosopa chrysolampis, Jaennicke, Abh. Senck. Nat. Ges. vi, 



p. 344, pi. xliii, fig. 8 (1867). 

 Hyperalonia chrysolampis, Brunetti,l!ec. Ind. Mus. ii, p. 439 (1909) ; 



de Meijere, Tijd. v. Ent. liv, p. 295 (1911). 



J 2 • Head with frons barely one-third width of head above 

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

 olive-brown, with short black pubescence, with which is mixed on 

 the lower half small bright yellow scale-like hairs ; ocellar triangle 

 small, reddish brown ; face darker, blackish, more or less reddish 

 brown along inner margin of eyes, clothed with more bristly black 

 hairs than the frons, and yellow scale-like hairs ; mouth-opening 

 with short yellow hairs ; proboscis and palpi black ; ] st antennal 

 joint reddish brown, 2nd and 3rd black, two basal joints 

 bristly ; occiput with short yellow hairs, its hind border with a 

 fringe of similarly coloured hairs. Thorax black, with short black 

 pubescence ; thick bright orange-yellow scale-like hairs on an- 

 terior margin, and bunches or patches of concolorous hairs 

 situated as in H. jlaviventris, a few short yellow hairs above the 

 wing-base and on hind margin of dorsum ; sides and lower part 

 black ; scutellum black, with posterior part more or less dull 

 reddish brown, black pubescent, hind margin with short yellow 

 hairs and a row of spines. Macrochaetae as in H. jlaviventris. 

 Abdomen black, with short black depressed pubescence ; 3rd 

 segment with a distinct basal band of small silvery-white narrow 

 scales, which is narrowest in middle, and more than half the 

 length of the segment towards the sides ; a basal spot of similar 



