646 LIST OF DIPTERA. 



bristles ; hips and thighs green ; hips covered with a white bloom J 

 thighs fringed with white hairs ; shanks pale tawny ; feet pitchy ; 

 wings colourless, with two brown bands which are joined together 

 on the fore border, and extend thence to the tip of the wing but do 

 not reach the hind border ; wing-ribs pitchy ; veins black ; poisers 

 pitchy, with yellow knobs. Length of the body 2j lines; of the 

 wings 4 lines. 



a. Brazil. Presented by J. P. George Smith, Esq* 



Psilopus gemmifer, n. s., mas. Viridis, cyaneo purpureoque varius 1 

 antennis nigris, pedibus Jtavis, alls limpidis, costa apicem versus 

 nervisque transversis fusco-nebulosis. 



Body bright green, beset with black hairs and bristles : head 

 covered in front with silvery down : eyes red : mouth tawny : feel- 

 ers black, as long as the head and the chest, disk of the chest bluish 

 green, tinged with purple ; scutcheou purple \ sides and breast co- 

 vered with silvery bloom : abdomen slender ; tip bluish purple ; ap- 

 pendages dark tawny : legs yellow, beset with black hairs and 

 bristles, which are most thick on the feet ; four hinder hips green ; 

 thighs clothed with white hairs ; feet towards the tips and hind feet 

 pitchy : wings colourless, clouded with pale brown towards the tips 

 of the fore borders and along the cross-veins ; wing-ribs tawny ; 

 veins black ; poisers tawny. Length of the body 2% lines ; of the 

 wings b\ lines. 



a. Trenton Falls. Presented by E. Doubleday, Esq. 



PsrLOPUs chrysoprasi, n. s. Aureo-viridis, capitis vertice purpureo- 

 cyaneo, scutello abdominisque basi purpureis, abdominis segmen- 

 torum suturis ceneo-purpureis , antennis nigris, pedibus piceis, 

 femoribus viridibus, tibiis anterioribus tarsisque anticis fulvis, 

 alls subcinereis. 



Body golden green, beset with black bristles : head purplish 

 blue on the crown, slightly covered with white down in front : eyes 

 bright red : mouth and feelers black : scutcheon purple : abdomen 

 adorned with purple towards the base ; sutures of the segments 

 brassy purple : legs pitchy, thickly clothed with short black hairs ; 

 hips and thighs green ; hips slightly covered with white bloom ; 

 thighs fringed with white hairs ; fore shanks pale tawny ; middle 

 shanks and fore feet dark tawny : wings slightly gray ; wing-ribs 

 and poisers pitchy ; veins black. Length of the body 2 lines ; of 

 the wings 4J- lines. 



a. West Indies. From Mr. Children's collection. 



