al es hell A | ea. T= 7 _ <siies 
DIPTERA. 351 
aa, Alule small; lower valve generally not extending beyond the upper. 
b, Sixth feeler-joint feathered .....cssesseesesseeseeeeereseseee Hylemyia. 
certa, despecta. 
bb. Sixth feelerjoint downy .......s0seeseeeseeveseseeeeeeseeeee Chortophila. 
Maura, Cithiops, tenuior, Brasiliensis. 
bbb, Sixth feeler-joint bare. 
communis. 
ANTHOMYIA PR&cIPUA, Mas. 
Nigra, cinereo-tomentosa; caput albo-tomentosum ; antenne picee ; tho- 
rax nigro quadrivittatus, scutelli apice fulvo; pedes fulvi, tarsis 
nigris ; ale cineree, costa venisque fusco marginatis. 
Black, with a cinereous covering : head with a white covering ; frontalia 
deep black, widening much towards the feelers; facialia without bristles ; 
epistoma slightly prominent: eyes bare, facets above rather large: mouth 
tawny beneath; palpi black: feelers pitchy ; third joint linear, rounded at 
the tip, nearly reaching the epistoma, more than twice the length of the 
second ; sixth slender, feathered with long hairs, tawny at the base, more 
than twice the length of the third: chest with four black stripes ; tip of the 
seutcheon tawny : abdomen obconical, not longer than the chest, with a few 
bristle-bearing tubercles: legs tawny ; feet black: wings gray, brownish 
beneath the fore border and along the veins ; veins black, tawny at the base ; 
lower cross-vein slightly bent inward in the middle: alule colourless with 
yellow borders: halteres yellow. Length of the body 4 lines; offthe wings 
9 lines. 
Brazil. 
ANnTHOMYIA sTupipa, Mas et Fem. 
Cinerea ; caput canum ; palpi fulvi; antenne nigre ; pedes fulvi, tarsis 
nigris ; ale subcinerea, basi costaque subfulvis. 
Cinereous : head hoary, white along the eyes; crown and lateralia cine- 
reous; epistoma not prominent: mouth pitchy; palpi tawny: feelers 
black ; third joint more than twice the length of the second, not reaching 
the epistoma: breast with an oblique tawny scapula on each side: legs 
tawny ; feet black ; wings pale gray, with a slight tawny tinge at the base 
