Die amerikanischen Gattungen und Arten Cer St^.tirinae ^4t^) 



Champion, Biolcg. Centr.-Am. Col., IV, 2, 1889, S. 6G: 

 ,,Last joint of the maxillary palpi securiform; last joint of the 

 labial palpi very broad and triangulär — its apex concave emar- 

 ginate (very deeply so in C. decoratum, moderately so in C. foveiceps), 

 OY almost straight (C. calcaratum, C. sulcicolle, C. vitticolle) ; outer 

 lobe of the maxillae short and very broad (much broader than in 

 Statira) ; mentum extended on each side in front ; ligula short and 

 very broad, fan-shaped, extending laterally beyond the anterior 

 angles of the mentum ; mandibles furnished at the apex with three 

 teeth (very long in C. sulcicolle) of equal length; eyes moderately 

 large, convex, distant from the base of the head, and with a deep 

 transverse impression (rarely effaced) on either side of which is a 

 setiferous puncture, between them; head strongly and obliquely 

 narrowed behind into a neck; antennae variable the apical 

 joint comparatively short in both sexes, scarcely equalling 9 and 

 10 united, or very elongate in the male (C. foveiceps and C. vitti- 

 colle) ; prothorax strongly compressed and completely immarginate 

 at the sides, and with a groove behind extending completely across; 

 elytra subparallel towards the base, and with the sides converging 

 from about the middle; anterior coxae moderately exserted, the 

 prosternum raised between them to the level of the coxae; meta- 

 sternal episterna (parapleurae) with a narrow deep groove along 

 the inner edge, the groove turned abruptly outwards in front and 

 continued along the anterior margin; tibiae not grooved on their 

 outer edge, and with one or two spurs of variable size - in C. cal- 

 caratum and C. sulcicolle with one only (in C. decoratum and C. 

 foveiceps they are short but distinct, in C. vitticolle indistinct).; 

 femora more or less clavate towards the apex." 

 Es bleiben also folgende Merkmale: 



1. Mandibeln an der Spitze mit 3 gleichlangen Zähnen, 



2. Endglied der Lippentaster deutlich ausgerandet: 



Untergattung Colparthrum in spe. 

 Cder nur breit und dreieckig, Spitze nicht ausgerandet : 

 Untergattung Pseudocolparthrum. 



3. Schenkel mehr oder weniger keulenförmig verdickt, 



4. Parapleuren der Hinterbrust an ihrem Innenrande von 

 einer scharf eingedri" ckten Linie begleitet, die sich am Vorderrande 

 scharf umbiegt. 



Geographische Verbreitung: Mittel- und Südamerika. 



Untergattung Colparthrum in spe. 

 1' Flügeldecken ohne Enddorne, Enddorne der Schienen klein 

 2' Endglied der Fühler in beiden Geschlechtern nicht länger als 



die 2 vorhergehenden Crlieder zusammen. 



Flügeldecken ohne dunkle Zeichnungen, hcchstens der Rand 



oder die Spitze dunkler. 

 4' Vorderrand des Halsschildes sehr fein oder nicht gerandet. 



1. Heft 



