DIPTERA. 387 
most of the hind border and with two colourless dots on the fore border, 
adorned with numerous dark brown spots and dots; three of the spots near 
the tip with white dots in the centre; a tawny stripe on the disk; veins 
black; fifth longitudinal vein slightly undulating near the tip; lower 
cross-vein very oblique, slightly curved outward: halteres tawny, Length 
of the body 2 lines; of the wings 5 lines. 
Brazil. 
TRYPETA EXCEPTA. 
Ferruginea ; abdomen testaceum, segmentis piceo trimaculatis ; pedes 
testacet ; ale nigro-fusce margine postico gultisque tribus apicalibus 
limpidis. * 
Acinia, Desv. Ferruginous: head paler, tawny in front; epistoma 
slightly prominent: mouth and feelers tawny; third joint of the feelers 
conical, much longer than the first and the second ; sixth black, bare, very 
slender, tawny at the base: breast pale ferruginous: abdomen testaceous, 
with three pitchy spots on each segment: legs testaceous: wings dark 
brown, colourless along part of the hind border and with three almost co- 
lourless dots near the tip; first dot between the second and third longitu- 
dinal veins ; second and third dots between the third and fourth veins: 
cross-veins clouded with black; middle cross-vein just beyond one-third of 
the length ; lower cross-vein at about half the length, oblique: halteres 
pale tawny. Length of the body 14 line; of the wings 4 lines. 
Brazil. 
TRYPETA FERRUGINEA, Fem. 
Ferruginea ; caput flavum, ferrugineo varium, productum ; antenna lutee, 
bast testacee ; thorax vittis tribus pallidis ; abdomen gracile, lineare, 
apice testaceum cylindricum ; pedes fulvi ; ale subcineree basi et ad 
costam fulve, maculis guttisque fasciaque limpidis. 
Acinia, Desv. Ferruginous: head pale yellow, with a ferruginous 
conical protuberance in front on which the feelers are seated ; a ferrugi- 
nous stripe on each side behind the eyes, and a ferruginous spot on the 
crown ; front long ; epistoma not prominent, with a blackish border: mouth 
and palpi tawny: feelers testaceous; third joint luteous, conical, very 
little longer than the second; sixth pitchy, long, slender, minutely pubes- 
