208 INSECTA SAUXDERSIANA. 



PsiLOPUs EXEMPTus, Mas. 



Purpureo-cyaneus, thorace viridi, abdominis segmentorum marginihus an- 

 ticis nigris, antennis pedibusque nigris, tibiis anticis fulvis, alts sub- 

 limpidis casta fasciisque duabus connexisfuscis. 



Body beset with black bristles : head blue, tinged with purple and 

 green, adorned with a white covering in front, clothed with white hairs be- 

 neath: eyes red: feelers black; first and second joints beset with long 

 black bristles ; sixth joint nearly as long as the chest : chest bright green with 

 a whitish tinge in front : abdomen purplish blue, cylindrical, very much 

 longer than the chest; fore borders of the segments black; legs black, long 

 and slender, clothed with short black hairs ; fore shanks taivny : wings 

 nearly colourless; a broivn stripe along the fore border is broader toicards 

 the tip but narrow and interrupted towards the base, it sends forth two irre- 

 gular bands which approach the hind border, and are slightly connected by a 

 streak along the third longitudinal vein ; the fourth vein is also clouded urith 

 brown ; wing-ribs, veins, and poisers black ; tip cross-vein forming a 

 slightly acute angle ; loiver cross-vein very slightly waving. Length of the 

 body 2\ lines; of the wings 5 lines. 



Brazil. 



Psii.opus NiTiDUS, Mas et Fern. 



Cganeo-viridis aureo et purpureo varius, fem. abdominis segmentorum 

 marginibus anticis nigris, antennis pedibusque nigris, tibiis fulvis, 

 alis limpidis fusco bifasciatis. 



Bluish green, adorned with white lustre, beset with black bristles: 

 head clothed beneath with white hairs; crown purplish blue: eyes bright 

 red : feelers black ; lirst and second joints beset with black bristles ; sixth 

 nearly as long as the chest : front of the chest and base of the abdomen tinged 

 with a golden hue : abdomen longer than the chest ; of the male cylindrical, 

 purplish blue at the tip where the appendages are black ; of the female ob- 

 conical,/ore borders of the segments blackish : legs black, beset with black 

 bristles, clothed with black down ; thighs thinly clothed with white hairs ; 

 shanks dark tawny : nnngs pale gray ; a large brown spot extends along near 

 half of the fore border, ceases before the tip and sends forth two bands tvhich 

 occupy the cross-veins, that nearest the tip shortly terminates and incloses a 



