DIPTERA, 33 
hairs: sucker black, clothed with short tawny hairs ; lancets ferruginous ; 
palpi tawny, rather large: feelers black, first joint ferruginous, armed with 
a short horn; horn of the third joint long, curved downward: chest and 
breast clothed with tawny hairs, which are most thick on the breast ; hind 
border of the scutcheon red: abdomen nearly obconical, a little broader 
and longer than the chest, red towards the base: legs dark red; feet 
pitchy ; claws black; foot-cushions tawny ; hind-shanks fringed with short 
black hairs: wings gray, with a ferruginous tinge at the base and along 
the fore border for most of the length ; cross-veins slightly clouded with 
brown ; tip cross-vein forming a distinct obtuse angle near the base where 
there is no stump ; wing-ribs ferruginous ; veins black, ferruginous at the 
base and along part of the fore border; scales blackish ; poisers tawny. 
Length of the body 74 lines; of the wings 17 lines. 
Columbia. 
Tapanus Hirvitipia, Fem. 
Niger, thoracis lateribus abdomineque ferrugineis, hujus vitta dorsali nigra, 
antennis basi pedibusque nigris, tibiis ferrugineis, tarsis posterioribus 
piceis, tibiis posticis nigro ciliatis, alis nigro-cinereis, basi costa ve- 
narumque marginibus flavo-fuscis. 
Body black: head covered with yellowish brown, clothed with dull 
tawny hairs; a slender, shining, black ridge along the whole length of the 
crown: eyes dark bronze, parted above by a moderately broad interval ; all 
the facets very small: sucker black ; lancets pale ferruginous ; palpi dark 
tawny, clothed with short black hairs: first and second joints of feelers 
black; chest partly ferruginous and thinly clothed with tawny hairs on 
each side: abdomen deep ferruginous, very slightly obconical, a little 
broader and much longer than the chest, adorned above with a black stripe, 
which is interrupted on the hind borders of the segments towards the tip ; 
sides and hind borders of the segments clothed with short black hairs; 
under side paler: legs black, thickly clothed with pale yellow hairs ; 
shanks and feet clothed with short black hairs; shanks very dark ferrugi- 
nous; feet pitchy; claws and fore-feet black ; foot-cushions tawny ; hind- 
shanks fringed with rather long black hairs; wings dark gray, yellowish 
brown at the base and beneath the fore border and along the borders of 
the veins ; wing-ribs ferruginous ; veins black, ferruginous at the base and 
occasionally in the disk ; angle of the tip eross-vein very distinct, slightly 
obtuse, sending forth (on one wing only of the insect described) a short 
F 
