RHINGIA. 53 
or less, yellowish, with some metallic reflexions; sternopleura and 
breast with broad black spots. Scutellum yellow, with metallie- 
bluish reflexions, punctate, clothed with short dark hairs and 
with some longer and_ bristle-like hairs on the hind border. 
Squamulze yellowish erey, with a long fringe; halteres yellow. 
Abdomen shortly oval; first segment ‘pale yellow, with a very 
narrow black hind border, which is broadly wee 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 vellow, 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.—RAtngia pellucens, sp.n. ¢. xX 8. 
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 
male; genitalia of the male reddish yellow, with black spots below, 
pale- haired. Venter pale 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. Wings hyaline, with a very faint yellow tinge, more 
distinet in the subcostal cell; veins yellowish, daricened at tips, 
following the same course as in P. lutea. 
Type & and type 2 and a couple of additional specimens from 
Nuwisi Stream, Nkana, N. Nyasa, 9.iv. 1909 (Dr. J. B. Davey) ; 
a male and two cas from Bl lantyre, ea Protectorate, 
ii—iv. 1910 (Dri J. HLS. Old); a male from the W. shores of 
Victoria Nvanza, Buddu, Ug randa Protectorate, 3,700 ft., ix. 1911 
