240 ENTOMOLOGICAL SOCIETY 



Metathorax armed with strong lateral projections or teeth. 

 Meta thoracic processes curving downwards. 



13. Lophyrocera Cameron. 



Metathoracic processes consisting of t\vo diverging hori 

 zontal teeth 14. Tetramelia Kirby. 



5. Scutellar processes long and slender, generally curving inwards to. 



ward tips 6 



Scutellar processes broad and covering the entire abdomen. 



Thorax not pubescent, the apex of the scutellar projections sim 

 ple, cleft, or notched. 



Scutellar processes very broad, triangular. 



15. Thoracantha Latreille. 

 Scutellar processes long, contiguous, and acutely pointed 



at extremity ..16. Uromelia Kirby. 



(= Lasionychus Shipp.) 



Scutellar processes long, contiguous, but very flat, the ex 

 tremities rounded or subtruncate; mesonotum and scu- 

 tellum medially impressed ; head almost as wide as the 

 thorax;, antennae m-jointed, the third joint as long as 

 the scape, the following much wider than long. 



17. Dicoelothorax Ashmead, n. g. 



Thorax pubescent; apex of the scutellar processes rounded and 

 not sharply cleft, the notch extending two-thirds of the entire 



length 18. Dilocantha Shipp. 



Scutellar projections with the basal portion as wide as thorax, shortly 

 compressed in centre, then dilated, and at the apex furnished with 



two rounded short spines 19. Ljetocantha Shipp. 



Scutellar projections with the basal portion as wide as thorax, pro 

 duced and with the sides parallel, the apex furnished with a small 

 semi-circular excavation, the apices of the spines being very sharp. 



15. Acrostela Shipp. 

 (? = tf Thoracantha Latr.) 



6. Head and eyes tuberculate ; antennae i2-jointed.,.2o. Isomeralia Shipp. 



(Type Thoracantha coronata West wood.) 

 Head and eyes normal. 



Antennae lo-jointed, the third joint as long as all the rest united. 



21. Lirata Cameron. 



Antennae n-jointed, the third joint not much longer than the 

 fourth. 



Thorax not pubescent, the scutellum always longitudinally 



striated 22. Kapala Cameron. 



(Type Thoracantha fuscata Fabr.) 



Thorax clothed with a fine pubescence, the scutellum 



smooth, not longitudinally striated, the processes 



smooth to apices, where they are transversely serrated. 



23. Lasiokapala Ashmead, n. g. 



