193 
Genus Taeniorhynchus . 
specks, apex white; the apical tibial spot joins with a basal 
white spot on the metatarsi to form one spot, apex of metatarsi 
also white; first fore tarsal joint pale at both ends, base of the 
second also pale, the rest brown; mid tarsi the same, but the 
banding more distinct; in the hind legs the tarsal banding is 
continued on to the base of the last tarsal joint; hind meta¬ 
tarsus a little shorter than the hind tibia; ungues equal and 
simple, hind ones very thin. 
Wings with the veins densely clothed with fuscous scales, 
rather broad and long and convex or flat apically ; first posterior 
cell longer and narrower than the second posterior cell, stem of 
the former equal to about half the length of the cell; stem of 
the second posterior cell equal to the length of the cell; posterior 
cross-vein rather more than its own length distant from the 
mid cross-vein ; fringe brown ; halteres pale yellowish. 
Length. —5 mm. 
£. Head dusky brown, with narrow curved pale golden 
scales, which form a distinct white border round the eyes, 
numerous black upright forked scales and a small tuft of 
golden bristles projecting forwards; proboscis dark brown, 
with a median pale yellow band, and traces of another at the 
apex ; palpi brown, the two apical joints with basal white bands, 
a third band near the base, hair-tufts on the penultimate joint 
strong, brown inside, golden-yellow outside; antennae grey, 
banded with bright brown, plumes flaxen. 
Thorax reddish-brown, with pale golden scattered scales 
forming a median area, arranged in lines, then broad bare lines, 
and then pale golden, almost silvery scales at the sides, especially 
over the roots of the wings; scutellum reddish-brown, with 
narrow pale curved scales, lateral lobes dark; border-bristles 
golden-brown, five to the mid lobe; metanotum chestnut-brown; 
pleurae chestnut-brown, with dark patches and flat black scales. 
Abdomen fuscous, covered with dusky brownish-black scales, 
bases of the segments somewhat paler, and with white basal 
lateral spots; posterior border-bristles small, golden-brown. 
Legs as in the 9 j fore and mid ungues unequal, the larger 
with one tooth. 
Length. —5 mm. 
Habitat. —Rio de Janeiro (Carlos Moreira) (12. 12. 1899); 
Navarro, in Argentina (Arribalzaga); Lower Amazon (Austen); 
Sao Paulo (Lutz). 
Time of capture. —November (C. Moreira). 
VOL. II. 
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