DIPTERA. 175 
tawny, partly pitchy above. Length of the body 3}—4 lines ; of the wings 
10—11 lines. 
South America. 
Var. ? or a distinct species. Smaller: stripe of hairs on each side of 
the abdomen shorter: legs pitchy. Length of the body 2} lines; of the 
wings 7 lines. 
Columbia. 
ANTHRAX LEUCOLELUS, Fem. 
Altra, nigro-hirta, capite antico abdominisque apice albo-pilosis, antennis 
pedibusque nigris, alis limpidis basi fuscis. 
Black, thickly clothed with black hairs: front of the head adorned 
with short silvery hairs: sucker as long as the head: chest and abdomen 
partly clothed with dark tawny hairs: abdomen a little longer than the 
chest, deeply fringed with tufts of black hairs; tip adomed with snow- 
white hairs: legs beset with short black bristles: wings colourless, dark 
brown for near half the length from the base, the brown extends further along 
the fore border than along the hind border and its outline is rather concave ; 
wing-ribs and veins black. Length of the body 4 lines; of the wings 10 
lines. 
? 
———— 
ANTHRAX LATIFIMBRIA. 
Nigra, nigro-hirta, abdominis lateribus niyro fasciculatis, pedibus nigris, 
alis limpidis, dimidio antico longitudinis bistriente nigro fuscis. 
Head wanting: black, clothed with black hairs: abdomen longer and 
broader than the chest; its sides deeply fringed with tufts of long black 
hairs: legs clothed with short black hairs: wings colourless, very dark brown 
for two-thirds of the length from the base and for rather less than half the 
breadth beneath the fore border; wing-ribs and veins black. Length of 
~ the body 6 lines ; of the wings 16 lines. 
Columbia. 
, 
