The Cane Grubs of Australia. 7 



(4) Abdomen dorsally not strongly convex ; elytra extending to apex of wings. 



Intermediate tarsi attaining apex of wings . . = Heteronyx sp. No. 646. 



Abdomen dorsally strongly convex ; elytra not extending to apex of wings = (5). 



(5) Intermediate tarsi attaining apex of wings .. = Haplonycha sp. No. 5S7. 

 Intermediate tarsi shorter, not attaining apex of wings = Haplonycha sp. No. 650. 



(6) Outer edge of anterior tibia? without teeth ; spiracles not raised or prominent. 



Abdominal segments 3-6 ventrally with a small triangxilar transverse slit with 

 serrated margins, the one on the third segment smaller ; ridges of 

 abdominal segments 2-6 dorsally actite ; longitudinal path of irregular 

 striiB on dorsal segments 7-9 of abdomen rather broad, narrowed at base, 

 with about 20 fine striaa at its widest part ; medio-dorsal line of abdominal 

 segments 1-6 plainly visible . . . . . . . . = Lepidiota albohirta. 



Outer edge of anterior tibiaa with two or more teeth ; spiracles raised and prominent 



= (7). 



(7) Abdominal segments 3-6, or at least 4-6, ventrally with a small triangular trans- 



verse mark ; medio-dorsal line on abdominal segments 1-6 more or less 

 distinct . . . . . . . . . . . . . . . . . . = (8). 



Abdominal segments 3-6 without any distinctive marking ; medio-dorsal line on 

 abdominal segments 1-6 indistinct . . . . . . . . . . = (9). 



(8) Longitudinal path of striae on abdominal dorsal segments 7-9 rather broad, 



somewhat narrowed at base, with about 30 striaj at its widest part ; third 

 tooth on anterior tibiag obsolete. 



General color deep orange ; abdominal segments 2-6 dorsally more rounded, 

 their medio-dorsal line thick and very distinct ; median marks on venter 

 present on abdominal segments 3-6 and very dark = Lepidiota sp. No. 215. 



General color golden-yellow ; abdominal segments 2-6 dorsally less rounded, 

 their medio-dorsal line fine and not very distinct ; median marks on venter 

 present on abdominal segments 4-6 and not very dark = Lepidiota rothei. 



(9) Ridges of abdominal segments 2-6 dorsally much rounded ; strisa in dorsal path 



not more than eight . . . . . . . . = Lepidiota sp. No. 683. 



Ridges of abdominal segments 2-6 dorsally much roimded ; third tooth on anterior 

 tibiae obsolete ; dorsal path of striae rather broad, with about twenty striae ; 

 spines on cremaster rather long and stout . . . . = Lepidiota caudata. 



Ridges of abdominal seginents 2-6 dorsally subacute ; third tooth on anterior 

 tibiae small but distinct ; dorsal path of striae rather narrow, with about twelve 

 striae ; spines on cremaster short . . . . . . = Lepidiota frenchi. 



( 10) Sutures between abdominal segments 1-6 or 7 dorsally without transverse carinas 



enclosing a cleft or sulcus ; cremaster carinated dorsally along its apical 

 margin ; latero-posterior angles of pronotum projecting into the elytra ; 

 pronotum with a hump near latero-posterior angle = Cacachroa decorticata. 



Sutures between abdominal segments 1-6 or 7 with transverse darkened carinas 

 enclosing a cleft or sulcus ; cremaster not carinated dorsally along its apical 

 margin ; latero-posterior angles of pronotum not projecting into the elytra, 

 no hump near these latero-posterior angles . . . . . . . . = (11). 



(11) Male with a distinct projection in centre of pronotum ; both sexes with a pro- 



tuberance on the head ; male legs longer than those of the female ; anterior 

 tarsi almost attaining apex of intermediate tarsi, the anterior tarsi in both 

 sexes as long as their tibiae . . . . . . = Xylotrupes austrolicus. 



Male without a distinct projection in centie of pronotum ; the male sometimes 

 with a protuberance on the head ; male legs not longer than in the female ; 

 anterior tarsi distinctly shorter than their tibiss, and not nearly attaining apex 

 of intermediate tarsi . . . . . . . . . . . . . . = (12). 



(12) Intermediate and posterior tarsi as long as their tibiae. 



Latero-posterior pronotal angles subrounded ; pronotum at meson of posterior 

 margin with a pair of small raised tubercles ; seventh abdominal segment 

 dorsally not raised ; male without a projection on the head 



= Anomala australasice. 



Intermediate and posterior tarsi shorter than their tibiae . . . . = (13). 



