448 MR. MARTIN JACOBY ON NEW SPECIES [Nov. 28, 
flavous portion separating both bands is slightly widened at the 
suture, the extreme lateral margins and a small triangular space 
at the apex are of the ground-colour; the under side and legs 
are dark fulvous or piceous, and the posterior femora have the 
apex broadly stained with blackish. O. steinheili Jac. is a much 
broader insect with a differently shaped thorax. 
Hab. Amazons. 
OEDIONYCHIS FULVOTIBIALIS, Sp. Nn. 
Obscure piceous below, the clypeus, antenne, and the tibize 
more or less fulvous; thorax flavous, impunctate; elytra closely 
and finely punctured, metallic greenish, the lateral margins and a 
narrow transverse band at the middle flavous. 
Length 53 millim. 
Head at the vertex and the frontal elevations greenish, 
impunctate, a narrow space round the eyes and the clypeus and 
labrum flavous, frontal elevations subquadrate ; eyes large, with a 
rather deep, punctured sulcus near the inner margins; carina 
short and blunt; antenne fulvous, the third joint slightly shorter 
than the fourth ; thorax strongly transverse, the lateral margins 
straight at the base, rounded in front, the sides deeply flattened, 
anterior angles not prominent but thickened, the disc impunctate, 
flavous ; scutellum black; elytra slightly widened at the middle, 
very finely punctured except within the shoulders, where there is 
a short row of deeper punctures, the lateral margins and a narrow 
transverse band at the middle flavous, rest of the surface metallic 
dark green, this colour forming two subquadrate patches on each 
elytron which extend across the suture; below and the legs piceous, 
the apex of the posterior femora and the tibie and tarsi more 
or less fulvous ; the metatarsus very short. 
Hab. Bolivia. 
A rather small species, and at once distinguished by the colour 
of the antenne and tibie. 
Hlytra with longitudinal bands. 
OEDIONYCHIS VITTATIPENNIS, Sp. nh. 
Broad and elongate, flavous; apical joints of the antenne black ; 
thorax strongly transverse, impunctate; elytra very finely and 
extremely closely punctured, flavous, the suture, a subsutural 
and a submarginal longitudinal stripe, connected at the apex, 
ferrugineous. 
Length 10 millim. : 
Head impunctate, flavous, eyes large, frontal elevations strongly 
raised, trigonate; antenne filiform and slender, black, the lower 
three or four joints testaceous, third and fourth joints equal; 
thorax twice as broad as long, the sides rounded, broadly flattened, 
the anterior angles produced into a small tooth, the surface 
impunctate, flavous; elytra with very close and fine but distinct 
punctuation, the suture very narrowly and two longitudinal 
broader stripes, of which one is placed near the suture, 
