DIPTERA. 119 
length: legs ved, clothed with pale yellow hairs, armed with black spines ; 
thighs streaked with black ; shanks and feet covered beneath with tawny 
down ; claws black; foot-cushions ferruginous: wings brown, tinged with 
gray near the tips of the fore borders; wing-ribs and veins black; veins 
dark red beneath the fore border; poisers tawny. Length of the body 10 
lines ; of the wings 15 lines. 
South America, 
TRUPANEA suBSTITULA, Mas. 
Rufa, thoracis vittis quatuor nigris, capite fulvo, pectore ferrugineo, ab- 
domine nigro maculis lateralibus ventreque fulvis, antennis nigris basi 
fulvis, pedibus rufis, femoribus nigro vittatis, alis fuscis costa apice- 
que cinereis. 
Head adorned with a tawny covering, which has a golden hue in 
front, clothed above with a few black hairs, beset behind the eyes with 
black bristles, thickly clothed behind and beneath with pale yellow 
hairs ; face thickly beset with pale yellow bristles: eyes brassy-black; fore 
part flat, its facets much larger than those elsewhere: sucker black; its 
tip clothed with pale tawny hairs; palpi black, beset with long black 
bristles : feelers black; first and second joints dark tawny, beset with short 
black bristles ; third spindle-shaped, much longer than the first or the se- 
cond ; bristle about twice the length of the third joint, slightly widened at 
the tip: chest dark red, adorned with four indistinct black stripes, beset 
with a few black bristles, clothed on each side and behind with pale yellow 
hairs ; hairs about the wings tinged with green, especially towards the 
base: breast ferruginous, partly clothed with pale yellow hairs; abdomen 
black, tapering from the base to the tip, nearly twice the length of the 
chest, clothed on each side and beneath with pale yellow hairs ; segments 
adorned on each side with tawny triangular spots, which successively in- 
crease in size towards the tip; under side tawny ; tip and its appendages 
red, shining: legs red, clothed with black hairs and bristles ; thighs striped 
with black, clothed with pale yellow hairs; shanks and feet covered with 
tawny down; feet davker towards the tips; claws black; foot-cushions 
tawny: wings brown, dark gray on the fore border at the tip; wing-ribs 
ferruginous ; veins black, ferruginous at the base ; poisers pale tawny, with 
pale yellow knobs. 
South America. 
de ee 
