1726 
DIPTERA OP AUSTRALIA, 
192. CULEX ALTERNANS, WestwOod. 
Culex alternans, Westw. Ann. Soc. Entom. France, Vol. IV. 
1835, p. 681 ; Trans. Ent. Soc. London. Pai’t TIT. 1881, p. 384. 
Pale brownish ; abdomen ringed with white ; wings hyaline ; 
veins, especially the costal, reddish, adorned with brown scales 
except in the stigmatic region, where white scales appear, with 
others with black and white arranged alternately ; legs reddish, 
with bi'own scales ; femora before the apex, towards the tibiae 
and behind the middle, with the genua and tarsi ringed with 
white. Length of the body (probosc. excl.) 4 lines ; expanse of 
the wings 8 lines. 
Hab . — New Holland. Hopean Mus. Oxford. 
193. Culex hispidosus, sp.n. 
(J. — Length of antennae 0*120 inch ... 3'04 millimetres. 
Expanse of wings 0'240 x 0‘045 ... 6-09 xL13 
Size of body 0-300 x 0 045 ... 7-62 x 1-13 
Antennae pale ochre-yellow, the verticils sericeous, almost hoary 
at the tip when viewed in a certain light, not quite ^ the length 
of the palpi ; joints of the scapus more or less covered with white 
scales. Head adorned with a mixture of erect yellow and white 
scales and long yellow hairs ; the eyes bordered with a compact 
line of white decumbent scales. Proboscis pale ochre-yellow, 
brown at the base and black at the extremity, about the length 
of the palpi. Palpi pale ochre-yellow, imperfectly covered with 
white scales, the first two joints and tips of the remaining joints 
with brown scales, hairs pale ochre-yellow, sericeous ; sixth joint 
considerably longer than the fifth. Thorax densely covered with 
scales, some very long and almost erect, appearing grey to the 
naked eye, but under a lens proving to be chiefly white scales 
variegated with indistinct longitudinal stripes and patches of very 
pale yellow scales, the whole interspersed with long yellow hairs ; 
a roundish patch of yellow scales under each humerus, a narrow 
