DIPTERA. 135 
ferruginous at the base ; bristle black, about twice the length of the third 
joint: neck thickly clothed with yellow hairs: chest adorned with tawny 
reflections and with three indistinct tawny stripes, thinly clothed with short 
black hairs, beset on each side and behind with a few black bristles: breast 
clothed with yellow hairs, which are very thick about the base of the fore- 
legs: abdomen full twice the length of the chest, tapering from the base 
to the tip, where it is tawny, clothed with tawny hairs, and towards the 
base with black hairs; seventh segment whitish ; sexual parts ferruginous, 
shining: legs ferruginous, clothed with tawny hairs, armed with black 
spines: wings colourless, yellowish brown along the borders of the veins ; 
wing-tibs, veins and poisers ferruginous. Length of the body 18 lines; of 
the wings 28 lines. 
East India. 
AsILus DiscurieNns, Fem. 
Fulvus, thorace subvittato, pectore cinereo, abdomine nigro, antennis nigris 
> »P Py > ’ 
pedibus rufis, genubus tibiis apice tarsisque nigris, alis subcinereis 
apice obscurioribus venarum marginibus fulvis. 
Body black: head adorned with a tawny covering, thickly clothed 
behind and beneath with pale yellow hairs; a few black bristles behind 
the eyes; a few black hairs on the tubercle of the eyelets and on each side 
of the crown; face convex in front, clothed with pale yellow bristles and 
black hairs, the latter are chiefly towards the feelers: eyes bronzed; fore 
part flat, its facets much larger than those elsewhere: sucker clothed at 
the tip with tawny hairs; palpi thickly beset with black bristles: feelers 
black; first and second joints beset with black bristles ; second about half 
the length of the first: chest clothed with black hairs, beset on each side 
and -behind with black bristles; its covering tawny, indistinetly striped : 
breast gray : abdomen tapering from the base to the tip, nearly twice the 
length of the chest, thickly clothed with bright tawny hairs ; tip shining, 
compressed : legs dark red, clothed with short black hairs and with a few 
yellow bristles, armed with black spines ; feet, knees, and tips of shanks 
black; foot-cushions tawny; thighs clothed with hoary hairs: wings 
slightly tinged with gray, their tips darker; borders of the veins tawny ; 
Wing-ribs and yeins ferruginous, poisers tawny, with ferruginous tips. 
Length of the body 14 lines ; of the wings 26 lines. 
New Holland. 
