CtSS CoU'opterological Notices, VI. 



I'libescenc'i' shorter, not so erect and less conspicuous; body snialler and 

 narrower, pale tlavo-testaceous throuffho\it, the elytra rarely feebly suf- 

 fused toward the middle with brownish 7. lllteolUS 



Temporal angles distinct and rather narrowly rounded; form more obese; 

 ])unctures denser and not so coarse: dark markings of the elytra sutTused, 



never black ^^. pinsiiescens 



9 — Head simply punctiite: pronotal rugie long, line and anastomosing. 



0. flavicaiis 

 Head covered with small strongly elevated tubercles; pronotal rugic coarse and 

 jnuch broken up, forming irregular tubercles. 

 Tubercles of the head smaller and denser; antenmc shorter and more in- 



crass;ite 1< »■ scatoriceps 



Tubercles large and s])arse: antenna- slender; pubescence longer, coanse and 



sonunvhat une(|ual 11. COIlipositllS 



lO — Unicolorous, either black or jialer. when ]iale having the elytra fre(iuently 

 indetinitely fasciate near the midille and ape.\, enclosing an ocellate pale 



spot behind the middle 11 



Black, each elytron with a ^vell delined i)ale spot near the base and another 

 near the ai)ex, occasionally mutually confluent either transvei-sely or 

 longitudinally according to the species; prothorax feebly constricted at 

 some distance before the base: head imjiressed in the middle at base; 



trochanters not spinose in the male 18 



11 — Head and pronotum extremely linely and densely ])unctate. dull; elytra 



as in hujitlfulHs, entirely black 1 :i. ii igrita 



Head and pronotum distinctly and less densely ptinctatc. 



Posterior trochanters of the male prolonged posteriorly in a very slender 



spine; prothorax generally broadly rounded at the sides 12 



Posterior trochanters not spinose in the male 13 



1*2 — Elytra pubescent. 



Prothorax oval, widest at the middle V.\. ovicolliM 



Prothorax widest distinctly before the middle. 



IClytra less elongate, leaving the extreme tip of the abdomen exposed. 

 P.lack or paler, with a rather ill -defined spot of ])aler tint behind the 

 middle, which is fre([uently obsolete in (he black forms. 



11. bi^uttulus 

 Black, the elytral apex margined with testaceous; pronotal ]>unctures 



much coarser and sparser I."'. Iiastatiis 



Elytra longer, completely covering the abdomen. 



Sides of the elytra in apical two-lifths convergent and straight to the 

 broadly rounded apex; ])unctures of the head tine and dense. 



10. protectus 

 Sides of the elytra evenly rounded behind: head coarsely and sparsely 



punctate 17. solidiiit 



Elytra glabrous IB. !>iUbcalvii!>i 



la — Head and pronotum glabrous and alutaceous; basal margin of the pro- 

 thorax completely obsolete 19. coracinus 



