The Cane Grubs of Australia. 5 
Size rather large ; antennal joints not slender, the second longe=t, not twice as 
long as wide; peritremes distinctly open; latero-cervical shield somewhat 
wider than greatest length (cephalo-caudad), its cephalic margin strongly 
convex, the two caudal sides of about equal length, with about five seta along 
its dorzo-caudal margin ; pubescence rather sparse : CS GE 
Second lobe cf anal segment dorzad, plain ; epicranial sclerite ols without sete ; 
antennae wholly naked a ae Bic oY = ae on = aay 
(10) Peritremes not distinctly open; legs not distinctly increasing in size caudad . 
whole body with very dense pubescence ; latero-cervical shield with at least 
several seta along its margin; size very large; colour slaty blue; pubescence 
brownish red So bc ae ne ae = Nylotrupes australicus. 
Peritremes distinctly open; legs distinctly increasing in size caudad; body with 
much sparser pubescence, quite sparse on thorax dorsad ; latero-cervical shield 
with only one or two set along its margin; size medium to medium large = (11). 
{11) Epieranial sclerite well separated from the clypeus ; latero-cervical shield with 
two sete, one cephalad, one caudad ; second antennal joint not twice as long as 
greatest width; body move or less bluish throughout; thorax dorsad with 
more sete ; size medium Ly sa we ie Sirs we = Nos Giese 
Epicranial <clerite not well separated from the clypeus; latero-cervical shield with 
only one seta, on its caudal margin ; second antennal joint over twice as long as 
greatest width ; thorax not showing bluish, also the cephalic abdominal segments; 
thorax dorsad with less sete ; size medium large = Dasyynathus australis. 
(12) Apex of abdomen ventrad with a naked path bounded by definite setz; head 
never strongly wrinkled; small tooth near (distad of) retinaculum alway: 
absent ; latero-cervical shield reaching much below thoracic peritreme (except 
in No. 89) si ans a oe ae a an Sn == (ils). 
Apex of abdomen ventrad without a naked path bounded by definite sete ; head 
rarely stronely wrinkled; small tooth near (distad of) retinaculum sometimes 
present ; latero-cervical shield never reaching below thoracic peritreme = (15). 
{13) First antennal joint without cetw, the third with two sete; cephalic margin of 
epicranial sclerite without a row. of sete; first joint of maxillary palpus. with 
three set; latero-cervieal shield not reaching ventrad farther than a line 
drawn cephalo-caudad through centre of thoracic peritreme, its cephalic margin 
without setse, the angle formed by the two caudal sides, acute ; prothorax dorsad 
with three lobes ; body uniformly opaque creamy yellow. 
Size medium; thorax dorsad with seattered sete; head almost smooth, as in 
albohirta; peritremes much open; anal path not well defined, short, with a 
straight row of about 14 delimiting sete on either side, the sete fine and short 
= Lepidiota sp. No. 89. 
First antennal! joint with from four to seven setw, the third without sete ; cephalic 
margin of epicranial sclerite with a row of long sete; first joint of maxillary 
palpus without sete; latero-cervical shield reaching ventrad much below 
thoracie peritreme, its cephalic margin with set, the angle formed by the two 
caudal sides, obtuse ; prothorax dorsad with two lobes ; e at least apical abdominal 
segment bluish de be Sc 1a HC a6 ae .. = (14). 
(14) Size medium; epicranial sclerite very finely rugulose or coriaceous ; peritremes 
much open; anal path short, with a convex delimiting row of about twelve sete 
on either side, the setz rather Jong, meeting across meson of path; margins of 
mandibles not uniformly converging toward apex = Lepidiota sp. No. 377. 
The same but anal path with twenty setz on either side, these denser, shorter, not 
meeting across meson of path sg <6 Sic = Lepidiotasp. No. 215. 
Size very large; epicranial sclerite finely den-ely rugo-e or coriaceous ; peritremes 
almost closed ; anal path rather short, with a straight delimiting row of about 
fourteen set on either side, these meeting across meson of path; margins of 
mandibles not uniformly converging toward apex = Lepidiota sp. No. 45. 
Size large ; epicranial sclerite finely alutaceous, the lines feebly impressed and appear- 
ing as faint cracks ; peritremes almost closed ; anal path long, with a straight 
delimiting row of about from 24-26 fine, short, well-defined sete on either side ; 
margins of mandibles un iformly converging toward apex = Lepidiota albohirta. 
