6 HETEROMERA. 
i, Elytral interstices 1, 8, 5, 7, 9 each with a row of 
closely placed setiferous impressions, the impressions 
(except at the base) preceded by a conical or tuber- 
cular elevation; anterior angles of the prothorax 
very prominent : . : 
6°. Upper surface more or less testaceous, ae ly its (at least in 
the typical form) with distinct markings; prothorax not, 
or, at most, obsoletely margined at the sides; size small 
6’. Femora smooth, the tibiz clothed with long hairs; prothorax with 
the sides immarginate; elytra with the fifth interstice broad, 
costate, and pallid in colour . ; . 
. Femora and tibiz (except in S. bicolor) on all sides clothed with 
long or moderately long hairs. 
c’. Prothorax with the sides immarginate, or obsoletely margined 
at the base, about as long as or longer than broad, the 
surface (except in S. microps) with some coarse punctures. 
ce’. Elytral interstices thickly and confusedly punctured ; pro- 
thorax coarsely punctured a on 
da’. Elytral interstices each with a row of . placed seti- 
ferous impressions . 
e°’. Elytral interstices 1, 3, 5, 7, 9 eal arith a Tow of ilowaly 
placed setiferous impressions ac ot oh : 
d’, Prothorax with the sides immarginate, or sbueletely snareined 
at the base, short, transversely convex, and smooth; elytra 
in some species spotted or striped; size small. 
f®. Elytral interstices each with a very irregular row of seti- 
ferous impressions ; apical joint of the antenne compa- 
ratively short in both sexes, not much | at all) ne 
in the male . : 
g°. Elytral interstices 1, 3, 5, 7, 9: — with a row pot bas Seti. 
ferous impressions ; apical joint of the antenne elongate 
in both sexes, still longer in the male vee . 
B. Tibiz shallowly sulcate (at least towards the apex) on their outer edge: 
femora and tibiz sparsely pubescent. 
f. Prothorax with the sides margined from the base to the apex ; ara 
interstices 1, 3, 5, 7, 9 each with setiferous impressions 
g- Prothorax with the sides obsoletely margined at the base; elytral inter- 
stices 1,3, 5, 7, 9 each with a row of closely placed setiferous impres- 
sions, the impressions each preceded by a distinct elevation 
C, Tibiz sulcate on their outer edge from the base to the apex ; femora aia 
tibize hairy. 
h. Prothorax with the sides finely or obsoletely margined from the base to 
the apex. 
da’. Elytral interstices each with a row of closely placed setiferous 
impressions 
Species 42, 43. 
Species 44-51. 
Species 52. 
Species 538-56. 
Species 57-61. 
Species 62-65. 
Species 66-69. 
Species 70. 
Species 71, 72. 
Species 73. 
Species 74. 
