130 



A Monograph of Culicidae. 



Proboscis. — Thin, black ; below on the ventral half are many brilliant 

 golden scales, also blue and red ones. 



Palpi. — Less than two-thirds the length of the proboscis, with three 

 long segments ; the first being more than half the size of the second, which 



# 



4& 



Fig. 30. 



Ova uf Megarhmus separatus. 

 Enlarged (after Goeldi). 



Arri. 



Fig. -31. 



Ova of Mcgarhinus separatus. Arri. 

 Still further enlarged (after Goeldi). 



is the same size as the third. Covered with brilliant scales above, blue 

 and purple ; golden below with the apex of the segment violet. Clypeus 

 dark with a frosty sheen like the hairs (toros?) of the antennae. 



Antennae. — Shorter than the palpi, only half the length of the 

 proboscis, the verticillate hairs dark, almost black, with many fine hairs 

 and white annuli at the joints ; second segment with scales on the basal 

 half. 



Occiput. — With many dark scales, iridescent with green, sky-blue and 

 purple, white and gold, and with some dark hairs with a golden sheen. 



Prothoracic lobes. — With similar hairs and scales as the occiput, the 

 latter prevalent, sky-blue. 



Metanotum. — Dark golden colour inclining to olive and divided at the 

 posterior half by a blue band, which passes over the scutellum. The 

 scales are fusiform or oblong, long, densely grouped and very salient, 

 growing like the feathers of a bird, the centre dark but iridescent, the 

 gold prevalent on the sides of the green and sky-blue ; the colours in the 

 line mentioned are sky-blue and dark green. 



Pleura. — Colourless, with a golden sheen and white mother-of-pearl 

 scales. 



Scutellum with prevalent sky-blue fiat scales and gulden hairs. 



Metathorax bare, colourless, with golden sheen. 



Abdomen. — Dorsum of first segment with a greenish, sky-blue sheen, 

 the rest dark violet. With a microscope the oval or spatulate scales are 

 to be seen on a dark ground, densely grouped, overlapping, iridescent in 

 colour. On apex of sixth segment are lateral golden hairs, dark on the 

 seventh, forming a lateral appendice, the eighth segment with golden 

 hairs, the ninth, which is slightly visible, is of a golden hue. Ventrally 

 golden and silver scales prevail, having median sized violet bands. The 

 ground colour dark grey, almost black on the sixth and seventh segments. 



