296 
H. Form broadly ovate; 
pygidium dark in 
both sexes 
HH. Form mucli nar- 
rower; pygidium (and 
pronotum) bright red 
in male 
FF. Elytra 1 sculpture strong- 
ly and conspicuouisly 
transversely rugate 
DD, Pronotum glabrous (the late- 
ral margins disregarded). 
E. Head, pronotum, and elytra 
black 
EE. Pronotum (at least pai-tly) 
and elytra testaceous. 
F. Clyrpeus subtridentate (dis- 
tinctly bisinuate) 
FF. Clypeus not bisinuate. 
G. Hind angles of prono- 
tum quite defined. 
H. Puncturation of pro- 
notum quite sparse... 
HH. Puncturation of 
pronotum close 
GGr. Hind angles of prono- 
tum rounded off (non- 
existent) 
EEE. Entirely black, except 
the elytra, Avhich are tes- 
taceous (black boi-dered) ... 
CC. Basal joint of hind tarsi much 
longer than 2nd joint 
BB. Front tibise with less than 3 ex- 
ternal teeth. 
C. Front tibise conspicuously biden- 
tate externally 
CC. Front tibise with no distinct 
tooth above the apical projec- 
tion ... ... ... 
AAA. Antennae consisting of 7 joints only 
B. Pronotum not confluently and 
asperately punctulate. 
C. Pronotum nitid : its longitudinal 
channel deep and entire. 
D. Pronotum spansely punctulate 
DD. Pronotum closely punctulate 
CC. Pronotum not as C. 
D. Surface of nronotum entirely 
clothed with long pilosity ... 
DD. Pronotum glabrous, except 
on sides and across front 
margin. 
E. Surface of propygidium even 
EE. Surface of propygidium 
strongly gibbose in middle 
DDD. Pronotum entirely glabrous 
(except lateral fringe) 
BB. Pronotum confluently and aspe- 
rately punctulate ... 
ubi(|nitosus, Mad. 
rubicundus, Mad. 
rugatus, Blackh. 
erythropygus, Blanch. 
badius. Mad. 
. I' 
-t. 
montioola, Mad.f ? Fah.J 
fallax, Blackh. 
atriceps. Mad. 
micans, ^[ad. 
criniger, }fad. 
Ifetns, Blackh. 
Inevatus, Mad. 
mvfiticus, Blackh. 
globulus. Mad. 
insolitns. Blackh. 
Ifievis. Blanch. 
tnberculatus. Lea (?) 
opacicollis. Mad. 
squamiger. Mad. 
