892 
Dl K. KERTÉSZ 
puffed out, bearing many tiny black hairs in irregular rows. Antennae 
black on the basal joints, but yellowish-brown with silver white tomentum 
on the third joint ; the second joint bears only a very short bristle beneath ; 
the third joint is not very long, 
distinctly pointed though hardly 
rostrate. Arista black, thickened 
about the base. 
Thorax dull coffeebrown 
in the disc, bare with three not 
very conspicuous small black 
ones which are abbreviated in 
front and distinguished from 
the surface of the disc by being 
al ittle shining and not pubes¬ 
cent. Pleurae greyish, metanotum lighter. Scutellum of the same colour 
as the dorsum of the thorax, the hairs round its margin not very con¬ 
spicuous. 
Abdomen dull coffeebrown a little shining towards the last segments, 
with grey side spots which do not extend on to the disc only on the first 
and fifth segments leaving the basal part free of the greyish tomentum ; 
the basal segment has four small black bristly hairs near the sides ; fifth 
segment one and a half times as long as the fourth ; hypopygium about 
as long as the fifth segment, a little shining, the greater part covered with 
exceedingly minute pubescence, bearing also some tiny erect hairs, and 
with a depression above at the base, it is divided into two asymmetrical 
parts, the right of which is larger and bears a small, nearly triangular 
depression on the right. 
Legs dull, mainly orange, but the femora are black except at the 
tip and more extensively at the base, besides, the trochanteres are black 
and greyish white pruinose, and the last joint of the tarsi darkened. Hind 
femora bare and shining behind ; middle femora with a tiny serration on 
the tip third. Pulvilli and claws yellow, the latter black at the tip. 
Wings hot conspicuously long, slightly darkened ; stigma brown, 
about as long as the next segment of the costa ; middle cross-vein placed 
at about the basal third of the discal cell (21 :56), just under the end of the 
mediastinal vein. Alula present. Squamae small yellowish. Halteres brown, 
dull, the style yellowish. 
Length abouth 4 mm ; wings 8*9 mm. 
One male from Paraguay. 
