440 MR. MARTIN JACOBY ON NEW SPECIES [ Nov. 28, 
transverse ; antenne long and slender, black, the lower three 
joints more or less piceous below, third joint shorter than the 
fourth, intermediate joints slightly widened; thorax more than 
twice as broad as long, the sides strongly rounded and deeply 
suleate, anterior angles distinctly produced into a tooth, the disc 
fulvous, minutely punctured when seen under a very strong lens ; 
scutellum black, broad; elytra widened towards the middle, tes- 
taceous, with three metallic green transverse bands which do not 
extend to the lateral margins; of these bands, which are all con- 
nected with each other at the suture, the first is of somewhat 
irregular shape and does not extend to a third of the length of 
the elytra, its posterior edge is irregularly serrate, the second 
band at the middle is broader (in a longitudinal sense) and of 
more regular shape, the third band is again narrow and more or 
less curved and does not extend to the apex, which remains of the 
ground-colour ; below and the legs black, metatarsus of the pos- 
terior legs shorter than the following two joints together, claw- 
joint strongly swollen. 
Hab: Pachitea, Peru. 
A handsome species, distinguished by the three bright metallic 
green elytral bands. 
OEDIONYCHIS ILLUSTRIS, sp.n, (Dej. i. litt.) (Plate XV. fig. 11.) 
Testaceous, the legs dark fulvous; thorax short, impunctate ; 
elytra convex, scarcely perceptibly punctured, a broad transverse 
band at the base, another below the middle, not extending to the 
suture, and the apex purplish violaceous. 
Length 8 millim. 
Head impunctate, the vertex obscure purplish, the rest of the 
face testaceous; clypeus strongly raised in shape of a triangular 
ridge; eyes large; antennz piceous, the basal joint testaceous 
below, third joint shorter than the fourth; thorax short and 
transverse, the sides broadly flattened, the anterior angles pro- 
duced but scarcely dentiform, the surface impunctate, testaceous ; 
scutellum black; elytra widened towards the middle and convex, 
extremely minutely punctured, flavous, with two transverse 
broad purplish bands—the first at the base, not quite extending 
to the middle nor to the lateral margins, the second, in shape of a 
transversely subquadrate band, not extending to either margin, 
another triangular spot occupies the apex; all these bands are 
separated by nearly equal narrow spaces of the flavous ground- 
colour, but the basal band extends across the suture; under side 
and the base of the anterior and intermediate femora testaceous, 
the rest of the legs and the posterior femora dark fulvous. 
Hab. Cayenne. 
A species of broadly ovate shape and resembling in its markings 
O. biteniata Baly, but in that species the second elytral band 
extends to the suture, all are of much more narrow shape, and 
dull blue instead of metallic purple. 
