648 LIST OF DIPTERA. 



slightly gray ; wing-ribs and veins black ; poisers dark tawny. - 

 Length of the body 2j lines ; of the wings A\ lines. 



a. ? From Mr. Children's collection. 



Psilopus pretiosus, n. s. Viridis, capite cupreo purpureoque vario, 

 thoracis disco purpureo, abdomine nigro -cupreo, vittis viridi- 

 ceneis, antennis nigris, pedibus fulvis, femoribus piceis,alis limpi- 

 dis, fusco bifasciatis. 



Body beset with black bristles : head coppery green, bluish 

 purple on the crown and towards the mouth : eyes bright red : 

 mouth pitchy : feelers black: chest green, purple on the disk; sides 

 and breast covered with whitish bloom : abdomen coppery black ; 

 hind borders of the segments brassy green : legs dark tawny, 

 clothed with short black hairs ; hips and thighs pitchy ; hips co- 

 vered with white bloom ; thighs clothed with a few whitish hairs ; 

 feet pitchy towards the tips : wings slightly gray ; fore border from 

 one-third of the length till near the tip adorned with a broad brown 

 stripe, from whence proceed two broad bands which do not reach 

 the hind border ; wing-ribs and poisers pitchy ; veins black. 

 Length of the body 2\ lines ; of the wings 4£ lines. 

 a. Brazil. 



Psilopus suavium, n, s. Viridis, capitis vertice ct/aneo -purpureo, 

 abdomine apicem versus purpureo, antennis pedibusque nigris, fe- 

 moribus viridibus, alis limpidis fusco bifasciatis. 



Body bright green, beset with black bristles : head bluish pur- 

 ple on the crown, clothed with white down in front : eyes red : 

 mouth pitchy : feelers black ; bristle nearly as long as the chest : 

 breast and sides of the chest covered with a white bloom : abdomen 

 purple towards the tip : legs black, beset with black hairs and bris- 

 tles ; hips and thighs green ; hips covered with a white bloom ; 

 thighs clothed with white hairs : wings colourless, adorned with two 

 brown bands, which are joined together on the fore border and more 

 slightly on the disk, but do not reach the hind border nor the tip ; 

 veins black ; wing-ribs and poisers pitchy. Length of the body 2\ 

 lines ; of the wings 5 lines. 



a. Jamaica. From Mr. Gosse's collection. 



Psilopus amatus, n. s., mas. et fem. Viridis, capite purpureo, ab- 

 domine nigro-fasciato apice purpureo, antennis nigris, pedibus 

 piceis, femoribus viridibus, alis subcinereis, costa apicem versus 

 nervisque transver sis fusco nebulosis. 

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



purple, covered in front with white down ; crown of the male 



