DIPTERA. 5 
little larger than those elsewhere: palpi pitchy: feelers dark ferruginous, 
hardly longer than the head: chest indistinctly striped with grayish tawny 
down: abdomen cylindrical, about twice the length of the chest ; hind 
border of the third segment adorned with a silvery band ; tip ferruginous, 
armed with a circlet of short black spines: legs pitchy ; four front-shanks 
and four hinder feet tawny, tips of the latter pitchy; claws black; foot- 
cushions yellow: wings colourless, bright tawny along the veins beneath 
the fore border towards the base, gray along the hind border and at 
the tip, adorned at two-thirds of the length with a blackish band which 
fades towards the hind border; wing-ribs ferruginous; veins black, 
tawny for half the length from the base; tip cross-vein long, with two 
curves, the first upward and slight, the other downward and more distinct ; 
poisers pitchy. Length of the body 5} lines; of the wings 9} lines. 
South America. 
CycLoreLus pRuINosus, Plate I. fig. 4. 
Mas. Niger cano micans, thorace fusco pubescente, abdomine piceo (fem. 
apice ferrugineo), antennis nigris basi fulvis, pedibus nigro-piceis, 
tibiis anterioribus tarsisque posterioribus fulvis, alis subfuscis ad cos- 
tam subfulvis, fusco unifasciatis. 
Body black, adorned with hoary lustre: head beset behind with black 
bristles, clothed beneath with black hairs: eyes adorned with iridescent 
semicircles, nearly flat in front, where the facets are larger than those else- 
where: sucker and palpi black ; tip of the sucker pitchy and clothed with 
tawny hairs: feelers black, very much longer than the head; first joint 
tawny, clothed with short black hairs: chest indistinctly striped with pale 
brown down: abdomen cylindrical, pitehy, very much longer than the 
chest; second, third and fourth segments impressed with cross rows of 
little punctures ; appendages of the tip tawny; tip of the female ferrugi- 
nous, armed with a circlet of short black spines: legs pitchy black ; knees, 
four hinder feet towards the base, and four front-shanks tawny ; claws 
black ; foot-cushions pale tawny: wings pale brown, with a tawny tinge 
along the fore border, and having at two-thirds of the length a broad 
brown band which fades towards the hind border; wing-ribs ferruginous ; 
veins black, tawny towards the base and along the fore border ; tip cross- 
vein like that of C. nigreflamma ; poisers pitchy. Length of the body 4} 
lines; of the wings 8 lines. 
South America. 
~ 5 
oan BAe ie Cie 
