153 



E. Elytral punctures close (12 

 from suture do not reach 

 middle). 

 F. Elytral punctures extremely 

 close (20 from suture not 

 reaching middle). 

 G. Joints 2 and 3 of antenna? 

 of about equal length. 

 H. Joint 4 of antennae 

 strongly triangular, 



transverse 



HH. Joint 4 of antennae 

 scarcely triangular, not 

 transverse 

 GG. Joint 3 of antenna? veryj 

 much shorter than 2 

 FF. Elytral punctures less close 

 (20 from suture pass middle 

 strongly) . 

 G. Joint 4 of antenna? strongly 



transverse 



GG. Joint 4 of antenna? not 

 or scarcely transverse. 

 H. Clypeus and frons on an 



almost even plane 

 HH. Planes of clypeus and 

 frons very different ... 

 EE. Elytral punctures not close 

 (12 from suture reach middle) 

 (2) DD. Punctures of pronotum not 

 close (about 10 from front reach 

 or pass middle). 

 E. Trilobed outline sharply divid- 

 ed, its middle lobe less than 

 half a lateral lobe. 

 F. Club of antenna? testaceous. 

 G. Elytra strongly rugulose, 

 in strong contrast to pro- 

 notum 



GG. Elytra not as G. 



H. Hind coxa? considerably 

 longer than 2nd ventral 

 segment. 



I. Marginal edging ot 



clypeus interrupted 

 in middle. 

 J. Joint 2 of antenna? 

 short globular, not 

 longer than 3 

 J J. Joint 2 of antenna? 

 not globular, dis- 

 tinctly longer than 

 3 ... ... 



II. Marginal edging of 

 clypeus continuous ... 



HH. Hind coxa? very little 

 longer than 2nd ventral 

 segment 



marcidus, BJackb. 



proprius, Blackb. 

 punctipennis, Blackb. 



constats, Blackb. 



yilgarnensis, Blackb. 

 validus, Blackb. 

 crinitus, Blackb. 



Sloanci, Blackb. 



pinguis, Blackb. 



agricola, Blackb. 

 auricomus, Blackb, 



tridens, Blackb. 



(2) In H . maurulus a trifle closer. 



