288 Transactions of the Boyal Society of South Africa. 
Gen. NEMOGNATHA, Illig., 
Plate XXII., figs. 12a, 12b. 
Magaz., vi., 1807, p. 333. 
Mentum sub-quadrate, slightly rounded ; ligula free, also rounded 
laterally ; mandibles long, straight, arcuate at apex ; labrum as broad 
as long, maxillae very weak, upper lobe filiform, very long, projecting con- 
siderably beyond the apex of the mandibles ; palps somewhat long, last 
joint of both labial and maxillary sub-fusiform, truncate at tip ; head 
triangular, eyes large, reniform ; antennae long, joints compressed, the 
second basal one knobby, one-third shorter than the joint following ; 
prothorax short, transverse, shghtly ampliate rounded laterally ; scutellum 
longer than broad, triangular, blunt at apex ; elytra parallel, not much 
wider than the prothorax, sinuate laterally, somewhat depressed on the 
discoidal part, singly rounded behind, coriaceous or shagreened ; legs 
long, tarsi longer than the tibiae ; claws cleft from apex to base, upper 
hook somewhat robust, closely pectinate, lower hook very slender, simple; 
spurs short, slender ; last abdominal segment of ^ broadly scooped. 
Key to the Species. 
A^. Maxillary lobe not longer than the head. 
B. Elytra with a dorsal costule on each side ; abdomen totally red or with 
the two basal segments blue capensis. 
Elytra not distinctly costulate. 
Abdomen with the three apical segments or the centre of the ante- 
penultimate red intermedia. 
A'. Maxillary lobe as long as the head and thorax together. 
Abdomen totally red - meraca. 
Nemognatha capensis, sp. n. 
Plate XXII., figs. 12, 12a, 12b. 
Metallic dark blue on the upper side, turning to greenish on the 
pectus ; all the abdominal segments red ; antennae and tarsi black ; body 
with an extremely short pubescence ; the whole head is covered with 
deep, slightly rugose, contiguous punctures separated by a very narrow 
wall ; upper lobe of maxillae projecting beyond the maxillae to a distance 
equal in length to that of the head ; the neck is robust and as closely 
punctate at the head ; prothorax transverse, being slightly broader than 
long, slightly ampliate rounded laterally, covered with deep, sub-contiguous 
rugulose punctures broader than those on the head, and having in the 
centre a longitudinal median impression with a narrow line in it running 
