BY THOMAS G. SLOANE. 199 



46 (45) Elytra lightly bistriate, eighth stria obsolete on middle of sides. 2 mm. 



carinulatus SI. 



47 (42) Prothorax without a submarginal carina. Eighth stria punctate on 



sides. 

 4S (53) Prothorax strongly sinuate posteriorly; basal area greatly depressed 

 below plane of pronotum and defined bv a strong sulcus. Species of 

 reddish colour. 



49 (50) Elytra 6-striate 26 mm monoclirou!; Schm 



50 (49) Elytra 5-striate. 



51 (521 Prothorax with border forming the narrow margin of the deep basal 



fovea; lateral margin with several setae near apex. 2.6 mm. 



scticollis SI. 



52 (511 Prothorax with space between end of transverse basal sulcus and lateral 



margin triangular, lateral border not forming margin of the basal 

 impression. 2—2.3 mm flindcrai Blackb. 



53 (48) Prothorax shortly sinuate posteriorly; basal area not decidedly below 



plane of pronotum in middle: transverse basal sulcus more or less 

 interrupted, at least in middle. 



54 (55) Prothorax with lateral border obsolete; sides very rotundate, and 

 greatly narrowed to base. 2 — 2.3 mm semistriatus Blackb. 



Prothorax with lateral border ordinary. Black species. 



Elytra 6-striate. 2— 2.2 mm ' halitdns SI. 



Elytra 5-striate, 2.2 mm olliffi 81. 



Elytra with eighth stria obsolete, at least on middle of sides. 

 Frontal sulci deep, long, convergent, crossing clypeus. 6-striate. 2 mm. 



mitclicUl SI. 

 Frontal sulci not crossing clypeus. 



Prothorax transverse; base much wider than apex; lateral basal im- 

 pressions distant from basal angles. 



62 (631 Form ovate. Elytra depressed; disc with two fixed setiferous punctures, 



3-striate. 2.5 — 3 mm mulivalrnsis SI. 



63 (64) Form short), oval, very convex. Elytra with one non-setiferous puncture 



behind middle, 1-striate. 2 — 2.2 mm bifoveatiui Macl. 



64 (61) Prothorax cordate, base and apex about equal m width. Black; elvtra 



2-striate 2 mm hlarkhunif S\. 



Elytra with apical striole obsolescent. 



Form convex. 1.7 mm (i.UKfnilicus SI. 



Form depressed. 1.5 mm capfus Blackb. 



Elytra with one fixed setiferous puncture on disc before middle and a 

 setiferous puncture high up on apical declivity. 



Elytra striate. 



Elytra fully striate; apical striole obsolete. 2 — 2.3 t-nmvarrriisi.i Blackb. 



Elytra never fully striate; apical striole distinct. 



Elytra with fixed, setiferous, discal puncture on or at position of third 

 interstice. 

 73 (84) Elytra with apical striole elongate, extending past fixed setiferous punc- 

 ture of apical declivity. 



Elytra ovate, 4-maculate. 



Head, prothorax and dark parts of elytra black. 2.7 — 3 mm. doddi SI. 



Head and dark parts of elytra reddish piceous, prothorax reddish. 2 — 2.5 

 mm lindi Blackb. 



Elytra narrow, parallel. 



Piceous, 2 — 2.3 mm uniformis Blackb. 



Not wholly piceous. 



Head and prothora.x piceous. 



Elytra piceous with a wide testaceous vitta on each side (the vitta 

 sometimes interrupted in the middle). 2.3 — 2.7 mm. 



quecnsland'iciis SI. 

 82 (81) Elytra testaceous with indeterminate infuscation. 2.5 mm. 



infitscatus Blackb. 



