292 
HH. Front margin of 
pronotum with a 
pilose frill widely in- 
terrupted in middle 
CCC. Basal joint of hind tarsi dis- 
tinctly longer than 2nd joint. 
D. Disc of pronotum pilose (in 
some species more conspicu- 
ously so across base and front 
margin than elsewhere). 
E. Apex (and hind part of 
sides) of elytra set with 
short stout bristles 
EE. Elytra without marginal 
bristles. 
F. Elytra black. 
G. Clypeus distinctly tri- 
dent ate in both sexes 
GG. Clypeus slightly emar- 
ginate, not at all den- 
tate 
FF. Elytra red (blackish, or 
not, near base). 
G. Front of clypeus with 3 
sharp recurved teeth ... 
GG. Front of clypeus feebly 
and obtusely tri dentate. 
H. Elytral puncturation 
strong (about as in 
L. villosicolUs, Macl.) 
HH. Elytral punctura- 
tion notably finer ... 
DD. Pronotum not pilose on 
disc, but having a fringe of 
erect hairs all across its front 
DDD. Pronotum not pilose on 
disc, and not fringed across 
its front. 
E. Front of clypeus having 3 
strong sharp recurved teetli 
EE. Front of clypeus distinctly 
trideiitate ; the teeth feeble, 
blunt, and not recurved. 
F. Pronotum and pygidium 
dark 
FF. Pronotum and pygidium 
testaceous red 
EEE. Front of clypeus not at 
all tridentate. 
F. A cun'ed impression on 
either side, on pronotum 
behind its middle 
FF. Pronotum normal. 
G. Size moderate (2i 1.) : 
subopaque ; colour sub- 
uniform, piceous 
GG. Size very .Simall (less 
than 2 1.); nitid : colour 
variegated, partly t<\s- 
taceous ... 
.sericeus, Macl. 
asper, Macl. 
atratus, Burm. 
ebeninus, ^facl. 
trident at us, Macl. 
parvidens, Macl. 
obtusidens, Macl. 
Rothei, Blackh. 
Perkinsi, Blackh. 
—« 
bituberculatus, Macl. 
melanocephalus, Blachh. 
impressicoUis, Macl. 
convexior, Macl. 
Ijeticulus, Blackh. 
