Te, FeO, ee ee ere ee ee eee a ae aT Pee NR ey 
” - - 
DIPTERA. 315 
nous stripe on each side of the peristoma ; epistoma not prominent: mouth 
ferruginous, clothed with pale hairs; palpi tawny : feelers black; sixth 
joint feathered with short hairs: chest with three broad hoary stripes ; 
scutcheon ferruginous at the tip; abdomen with white reflections, and on 
each side with a broad tawny stripe which extends from the hind border of 
the first segment to the fore border of the third : legs black ; shanks pitchy : 
wings gray ; veins black, tawny towards the base ; prebrachial vein form- 
ing a very obtuse angle at its flexure, with a very slight inward curve from 
thence to its tip; lower cross-vein forming an obtuse angle at one-third 
of the length from the base, almost straight from thence to the tip: alule 
white: halteres ferruginous. Length of the body 44 lines; of the wings 
9 lines. 
New Holland. 
Dex PLANA, Fem. 
Nigra; caput et pectus alba; thorax subauratus, nigro quadrivittatus, 
sceutello fulvo; abdomen fulvum, nigro trimaculatum et bifasciatum ; 
antenne fulve; pedes fulvi, tibiis anticis apice tarsisque nigris ; 
ale subcinerea, ad costam subfulve. 
. 
Black, of moderate breadth : head with asilvery white covering ; crown 
slightly gilded; frontalia pitchy, narrow, slightly widening towards the 
feelers ; facialia without bristles ; epistoma very slightly prominent: palpi 
tawny : feelers tawny ; third joint linear, darker towards the> tip which is 
rounded, about four times the length of the second ; sixth much longer 
than the third, feathered with moderately long hairs: chest with a slightly 
gilded covering, and with four very slender black stripes ; scutcheon tawny 
with a gilded covering: breast white; abdomen tawny, almost spindle- 
shaped, longer than the chest; second segment with three black spots on the 
hind border ; third and fourth with black bands along the hind borders : 
legs tawny ; feet and tips of the fore-shanks black ; hind-shanks dark tawny : 
wings slightly gray, with a tawny tinge along the fore border ; prebrachial 
vein forming a very obtuse angle at its flexure, very slightly bent inward 
near the tip; lower cross-vein with the two curves, the lower one deeper 
than the upper which is very slight: alule whitish with pale yellow bor- 
ders: halteres yellow. Length of the body 4 lines; of the wings 8 lines. 
Brazil. 
