208 INSECTA SAUNDERSIANA, 
Psi,opus ExEmptus, Mas. 
Purpureo-cyaneus, thorace viridi, abdominis segmentorum marginibus an- 
ticis nigris, antennis pedibusque nigris, tibiis anticis fulvis, alis sub- 
limpidis costa fasciisque duabus connewis fuscis. 
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 ; stath 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 tawny : wings 
nearly colourless ; a brown stripe along the fore border is broader towards 
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 with 
brown ; wing-ribs, veins, and poisers black; tip cross-vein forming a 
slightly acute angle ; lower cross-vein very slightly waving. Length of the 
body 2} lines; of the wings 5 lines. 
Brazil. 
Psitopus nitipus, Mas et Fem. 
Cyaneo-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 ; first and second joints beset with black bristles ; siath 
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, fore borders of the segments blackish: legs black, beset with black 
bristles, clothed with black down; thighs thinly clothed with white hairs ; 
shanks dark tawny : wings pale gray ; a large brown spot extends along near 
half of the fore border, ceases before the tip and sends forth two bands which 
oceupy the cross-veins, that nearest the tip shortly terminates and incloses a 
