CULEX — FEET UNBANDED ; ABD. PALE BASAL BANDS 441 



C. Sub-species Macleayi. Skuse. 



Abdomen brown, with basal pale flaxen to almost white bands and 

 white lateral spots ; thorax with two very clear median parallel 

 bare lines in front, widening out towards the fore end. 



D. Sub-species Shiisii. Giles. C. sj). xn-ope, C. ciliaris. Skuse. 



Abdomen with pale flaxen bands and white spots ; the thorax with 

 traces of four parallel bare lines. 



E. Sub-species trilineatus. 



In which the median line of dark thoracic bristles shows as a third 

 median line on the thorax. 

 Each of these sub-species can again be divided into varieties according 

 to the colour of the spots on the first abdominal segment as follows : — 

 Variety 1, with scales pale yellow. 

 Variety 2, with scales dusky black. 

 Variety 3, with scales pale yellow and black. 



Localities for Suh-species. 

 Macleayi in Australia; 

 Sliusii in Australia ; 



The others in widely separate areas, and may occur side by side. 



85. CULEX YIRGULTUS, Theobald (Monog. II, p. 123). 



Plate xvii, fig. 11, Tarsal claws of 3^; 11a, Head and appendages; 

 lib. Arrangement of bristles on the mesonotum. 



Tarsi uniformly dark brown. Thorax bright chestnut-brown, 

 with small curved golden-brown scales and two short single rows 

 of bristles, a pair of bristles before the last one on each side. 

 Abdomen dusky brown, a broad band of white scales at the base 

 of each segment, which on the last few segments form lateral 

 borders. Ungues of the fore and mid legs unequal, uniserrated ; 

 of the hind legs equal and simple. A tuft of bristles projects 

 from the front of the sternum. 



J . — Head brown, with scattered curved creamy scales over the 

 crown, white flat scales at the sides and forming a narrow border to the 

 eyes, a few black upright forked scales dotted over the crown ; palpi 

 much longer than the proboscis, yellowish -brown towards the base, dark 

 brown near the apex, a small yellower pale band towards the base, 

 hairs dense, silky brown ; proboscis yellowish-brown, darker towards the 

 base and tip. Pleurte pale brown and grey. Legs with deep ochreous- 

 brown scales, darker on the tibiae and tarsi, a yellow spot at the apex of 

 the former. Halteres pale brown, leather darker on the club. Venter 

 densely clothed witli long golden hairs. Length. — 6 mm. 



Habitat. — Rio de Janeiro. 



