DIPTERA, 213 
DoticHopus consors, Fem. 
Aineo-viridis, vertice purpureo, thorace antico cyaneo, abdominis suturis 
nigris, antennis pedibusque fulvis, alis subcinereis. 
Green, beset with black bristles, adorned beneath with a whitish co- 
vering : crown purple : eyes black: mouth tawny: feelers tawny ; siath joint 
black, feathered with much shorter hairs than those of D. bifrons : chest brassy 
green, blue in front ; abdomen obconical, clothed with short black hairs, a 
little longer than the chest; sutures of “the segments blackish : legs tawny, 
clothed with very short black hairs; shanks beset with black bristles: 
wings grayish ; wing-vibs tawny; veins black, tawny at the base; poisers 
tawny with yellow knobs. Length of the body 1} line; of the wings 3 
lines. 
United States. 
Do.icuopus conrTINGENS, Fem. 
Vividis, vertice purpureo, antennis pedibusque fulvis, alis subcinereis, 
Green, beset with black bristles, adorned beneath with a whitish 
covering : crown purple: eyes black: mouth tawny: feelers tawny ; siath 
joint black, feathered like that of D. consors : abdomen obconical, clothed 
with short black hairs, a little longer than the chest: legs tawny, clothed 
with very short black hairs; shanks beset with black bristles: wings 
grayish ; wing-ribs tawny ; veins black, tawny at the base; tip cross-vein 
less angular than that of D. consors; poisers dark tawny. Length of the 
body 1} line; of the wings 3 lines. 
United States. 
Doticuopus HEBEs, Fem. 
Aineus, vertice eyaneo, abdominis segmentorum marginibus posticis viri- 
dibus, antennis pedibusque fulvis, alis cinereis costa venarumque 
marginibus fuscis. 
Brassy, beset with black bristles, adorned beneath with a whitish co- 
vering: crown of the head blue: eyes ved: feelers tawny ; sivth joint black, 
feathered with very short hairs : abdomen obconical, longer than the chest ; 
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