RHrS'GIA. 53 



or less, yellowish, with some metallic reflexions ; sternopleurae and 

 breast with broad black spots. Scutelluni yellow, with metallic- 

 bluish reflexions, punctate, clothed with short dark hairs and 

 with some longer and bristle-like hairs on the hind border. 

 Squamulae yellowish grey, with a long fringe ; halteres yellow. 

 Abdomen shortly oval ; first saginent pale yellow, with a very 

 narrow black hind border, which is broadly interrupted in the 

 middle and does not reach the sides ; second segment pale yellow, 

 with a narrow black hind border, which at the sides becomes blue 

 and dilated, covering the sides broadly and reaching the first seg- 

 ment ; third and fourth segments reddish yellow, glittering, with 

 some faint metallic reflexions and a black hind border, which 

 also becomes blue towards the sides, where, however, it is not 



Fig. 10. Rhingia pellucens. sp. n. <$ . X 3. 



dilated, but only produced to the hind margin of the preceding 

 segment as a narrow line ; the hairs on the base are longer, the 

 others are short and dark in the female, erect and pale in the 

 imle : genitalia of the male reddish yellow, with black spots below, 

 pale-haired. Venter pule yellow towards the base, reddish yellow 

 at apex. Legs entirely of a pale yellow colour, only the tips of 

 the hind tarsi darkened ; the black streak on the front tarsi is 

 distinct. AVings hyaline, with a very faint vellow tinge, more 

 distinct in the subcostal cell ; veins yellowish, darkened at tips, 

 following the same course as in J?. Jutea, 



Type 3 and type $ and a couple of additional specimens from 

 Nuwisi Stream, Nkana, X. Xvasa, 9. iv. 1909 (Dr. J. B. Davey} ; 

 a male and two females from Blantyre, Xyasaland Protectorate, 

 iii.-iv. 1910 (Dr. J. E. 8. Old) ; a male from the AV. shores of 

 Victoria Xvanza. Buddu. Viranda Protectorate. 8.700ft.. ix. 191 J 



