DIPTERA. va 
Dricuevacera sparsa, Fem. 
Picea, thoracis vittis duabus ferrugineis ornato, abdomine nigro, antennis 
ferrugineis apice nigris, pedibus nigris alis fuscis, costa fulva, apice 
margine postico maculisque seplem cinereis. 
Body pitchy: head clothed beneath with dark tawny hairs: eyes dark 
bronze, parted above by a moderately broad interval ; facets very small, but 
slightly increasing in size towards the inner fore border: sucker black, 
hairy; lancets pale ferruginous; palpi pitchy, thickly clothed with short 
black hairs: feelers dark ferruginous ; first and second joints clothed with 
black hairs; horn nearly as long as the third joint, much curved down- 
ward ; compound joint black, hardly curved upward, shorter than the third 
joint ; chest adorned with two dark ferruginous stripes, and having a fer- 
ruginous tinge on each side; a tuft of black hairs before the base of each 
wing : abdomen black, slightly obconical, a little broader and much longer 
than the chest, clothed with short black hairs; legs black; foot-cushions 
tawny: wings brown, dark tawny along the fore border as far as the brand 
which is blackish, gray at the tips and along the hind border, adorned with 
seven pale gray spots of various size, one on each areolet; wing-ribs 
and veins mostly black; curve of the tip cross-vein distinct; scales gray, 
with dark tawny borders ; poisers pitchy, with tawny knobs. Length of 
the body 6 lines ; of the wings 13 lines. 
Brazil. 
SCEPSIS. 
Silvio affinis: ocelli distincti: antenne parve, simplices: alex nervi 
subcostalis angulus ramulum longum demittens. 
Scepsis NIvALis, Plate 2, fig. 7. 
Alba, thoracis vittis tribus flavo-albis ornato, abdominis segmentorum mar- 
ginibus posticis fulvis, antennis piceis basi fulvis, pedibus fulvis, alis 
albis. 
Body black, but wholly adomed with a white covering, clothed with 
white hairs which are mostly beneath: a slight{tawny tinge in front of the 
eyelets which are black: eyes bronze-black, parted above by a yery broad 
