DIPTERA. 147 
. 
AsILUs VILLICATUS, Mas et Fem. 
Fuscus, capite pectoreque canis, thorace vittis quatuor nigris ornato, ab- 
domine cinereo-fusco apice nigro : fem. compresso, fasciis ventreque 
canis, antennis pedibusque nigris, tibiis tarsisque basi ferrugineis, alis 
cinereis. , 
Head adored with a hoary covering which has a tawny tinge above, 
thickly clothed beneath with long hoary hairs, beset behind the eyes with 
black bristles ; a few black hairs on the crown, which is black and shining : 
face prominent and thickly beset with black bristles towards the epistoma : 
eyes bronzed ; fore part nearly flat, its facets a little larger than those else- 
where: sucker and palpi black; palpi clothed with hoary hairs: feelers 
black ; the bristle a little shorter than the third joint: chest pale brown, 
beset with black bristles, adorned with four broad black stripes: breast 
hoary : abdomen tinged with grayish brown, thinly clothed with hoary hairs, 
more than twice the length of the chest, tapering from the base towards 
the tip, which in the female is compressed, black and shining, and near 
one-fourth of the length of the preceding part; under side and fore borders 
of the segments hoary: legs black, clothed with hoary hairs, armed with 
black spines ; shanks and feet ferruginous towards the base, covered beneath 
with tawny down; foot-cushions pale tawny: wings gray; wing-ribs 
pitchy ; veins black, pitchy at the base; poisers tawny. Length of the 
body 5—6 lines ; of the wings 7—9 lines. 
New South Wales. 
Asitus Eupator, Fem. 
Niger, thoracis vittis tribus pectore abdominisque segmentorum marginibus 
posticis cinereis, ventre piceo, antennis pedibusque nigris, tibiis basi 
fulvis, alis subfuscis. 
Body black : head clothed on the crown with a few black hairs, 
adorned in front with a tawny covering, hoary and clothed with white hairs 
behind and beneath, beset behind the eyes with black bristles ; face pro- 
jecting towards the epistoma, beset with a few black bristles and with 
about four pale yellow spines ; a few black bristles on the sides of the pe- 
ristoma ; sucker clothed at the tip with short tawny hairs ; palpi beset with 
long black bristles: feelers black; first and second joints beset with black 
