304 DIFTERA OF NORTH AMERICA. [PART II. 



Page 215. Dolicliopus pulchcr, Mas. et Fern. 



Cyaneo-viridis, antennis uigris, femoribus viridibus, tibiis ful- 

 vis, tarsis piceis apice nigris, alls limpidis. 



Bright green with a bluish tint, beset with black bristles, 

 adorned beneath with a whitish covering ; eyes bright red ; feelers 

 black; sixth joint bare; abdomen of the male cylindrical, of the 

 female obconical, clothed with short black hairs, a little longer 

 than the chest ; scales of the male white, bordered with black ; legs 

 tawny, clothed with very short black hairs ; thighs green ; shanks 

 beset with black bristles ; feet pitchy, black towards the tips ; 

 trochanters of the male yellow, of the female tawny; wings 

 colorless ; wing-ribs tawny ; veins black ; fourth longitudinal vein 

 not as usual converging to the third after its curve, but almost 

 parallel to it ; poisers yellow. Length of the body 1^ line ; of 

 the wings. 3 lines. 



United States. 



Page 215. Dolichopus varius, Fern. 



^Eneo-viridis cyaneo varius, abdomine fasciis albidis ornato, 

 antennis pedibusque fulvis, tarsis nigris, alis cinereis, costa macu- 

 lisque quinque fuscis. 



Brassy-green, tinged with blue, beset with black bristles, 

 adorned beneath with a whitish covering ; eyes red ; feelers tawny ; 

 sixth joint black, feathered with moderately long hairs ; abdomen 

 obconical, longer than the chest, adorned with bands of whitish 

 hue ; legs dark tawny ; clothed with short black hairs ; shanks 

 beset with black bristles ; feet black ; wings gray, brown beneath 

 the fore border, adorned with four or five brown spots ; wing-ribs 

 pitchy ; veins black ; poisers tawny. Length of the body l line, 

 of the wings 3 lines. 



United States. 



Walker, List of Dipterous Insects in the Collection of the 

 British Museum, Part III. 



Page 645. Psilopus delicatus, n. s., Fern. 



Viridis, gracilis, abdomine aureo-viridi, antennis fulvis, articulo 

 tertio nigro, pedibus flavis, alis limpidis. 



Body slender, bright green, clothed with black hairs and bris- 



