BY K. E. TURNER. 665 



2.Me8opleuiae tuberculate or subtubeiculate 3. 



Mesopleur;p without tubercles, simply rounded. 7. 



3.Ulypeus witli a tubercle on each side near the 

 middle, depressed from the middle to the 



apex 4. 



Clj'peus without tubercles 6. 



4. Proiiotum subemarginate anteriorly ; colour 

 almost entirely black, except on the apical 



abdominal segments 5. 



Pronotum transverse; orange, the mesonotum 

 and third and fourth abdominal segments 



black C. victrix Turt\. 



S.Pronotum with a minute spine on each side; 

 thorax and median segment shining and 



sparsely punctured. Length, 12 mm C. per Icinsi Turn. 



Pronotum without spines; thorax and median 



segment closely punctured. Length, 22mm. C. froggatti Turn. 

 6. Enclosed area of the median segment smooth; 

 black and yellow, with obscure ferruginous 



markings on the thorax C. inexpectata Turn. 



Enclosed area of the median segment finely 

 transversely striated; orange, mesonotum, 

 apex of median segment and fourth abdo- 

 minal segment black. C. Jfuvialis ^m. 



T.Clj'peus with a free lamina springing from the 



base or above the middle.. 8. 



Clypeus with the lamina free only at the apex, 



if at all 9- 



S.Laminaof the clypeus free from the base, longer 

 than broad; orange, mesonotum and fourth 



abdominal segment black G. auranliaca Sm. 



Lamina free from near the middle, short; black 



rather sparingly marked with yellow G. opposita Sm. 



9. Enclosed area of median segment smooth 10. 



Enclosed area of median segment not smooth. .. 11. 



lO.Clypeus porrect, widely and deeply emarginate; 



abdomen smooth and shining C. euchroma Turn. 



Clypeus less strongly porrect, shallowly and not 



widely emarginate; abdomen punctured C muUiguftata Turn. 



11. Abdomen almost smooth; petiole and third seg- 



ment black, remaining segments fulvous G. auxtralis Sauss. 



Abdomen more or less strongly punctured 12. 



12. Petiole much broader than long; black marked 



with orange-red G. gilesi Turn. 



