XIX. OXYBELUS. 113 
Head entirely black, punctured, pubescent. 
Thorax black, punctured, pubescent, with a spot on each side 
of the collar; the tubercles, and the squame at the posterior 
margin of the scutellum, yellow; the mucro at the base of the 
metathorax acute; the wings slightly coloured, their nervures 
rufo-testaceous ; the legs yellow, with the inside of the anterior 
femora and the upper part of the intermediate and posterior 
tibize black; the tarsi ferruginous, the anterior ciliated, and the 
intermediate and posterior tibia: spinose. 
The abdomen black, delicately punctured, the first segment 
with a large ovate yellow spot on each side, and a transverse 
yellow line on each side of the three following. 
The ¢ differs in having more pubescence on the face, the inside 
of the anterior tibie at their apex ferruginous, and the inside of 
the intermediate, and posterior, at their apex with a piceous spot, 
in the latter forming nearly a ring, which on the exterior of the 
limb is rufo-piceous, and the segments of the abdomen from the 
second less marked with yellow. 
g ¢ in the British Museum. 
+4; I do not know where this species was taken, and 
for which Mr. Samouelle has given me the name. 
Sp. 8. nicroxzneus. N. Sp. 
niger, flavo-pictus, mucrone metathoracis acuto, abdomine nitente 
enco irradiante &. 
length 2—23 lines. 
Black: head deeply punctured ; the face covered with a silvery 
pubescence ;, antenne black, and from the fifth joint beneath 
fulvous; the mandibles testaceous, with their apex rufescent. 
Thorax entirely black, deeply punctured ; the margin of the 
squamz at the apex of the scutellum pale; the mucro at the base 
of the metathorax short, thick, acute, and slightly curved; the 
metathorax rugose; the tegula piceous; the wings iridescent, 
with their nervures brown; the legs black; the outside of the 
I 
