1 903] A SHMEA D:—C YA'IPOIDEA " 6 1 



5. Parapsidal furrows converging and meeting at the base of the scutellum 6 

 Parapsidal furrows ahiiost parallel, or some distance apart to the base of the 

 scutellum ............ 7 



6. Marginal cell closed along the front margin . . Gronotoma Forster 



(Type G. sculpturata Forst.) 

 Marginal cell open along the front margin . . Diglyphosema Forster 



(Type D. eupatorii Forst.) 



7. Marginal cell open along the front margin ...... 8 



Marginal cell dosed along the front margin 



Cup of scutellar large, rounded, its disk concave; antennae 13-jointed, 

 long, subfiliform, only slightly and gradually thickened towards apex 



Microstilba Forster 

 (Type M. bidentata Forster) 



8. Mesonotum with five carinae ; cup of scutellum large, oval or rounded; anten- 

 nae 13-jointed, filiform, joints 4-12 long oval. (South America.) 



Tropideucoela Ashm., gen. nov. 



(Type T. rufipes Ashm.) 



Mesonotum without carinae; cup of scutellum large; antennae 13-jointed, 



without a distinct club ...... Disorygma Forster 



(Type D. divulgata Forst.) 



9. Marginal cell c?/6V/ along the front margin . . . . . . 10 



Marginal cell r^J"<?(/ along the front margin ...... 13 



ID. Scutellum normal, unarmed . . . . . . . 11 



Scutellum abnormal, armed with tivo horns behind 

 Antennae 13-jointed, ending in a 6-jointed club 



Dicerataspis Ashmead 

 (Type D. grenadensis Ashm.) 



11. Antennae ending in an abrupt club, which is three or more jointed . 12 

 Antennae at most subclavate, without a distinct, abrupt club 



Ectolyta Forster 

 (Type Cothonaspis incressata Thoms.) 



12. Club of antennae 3-jointed ...... Triplasta Kieffer 



(Type Kleidotoma atrocoxalis Ashm.) 

 Cup of antennae 5-jointed ..... Pentaplasta Kieffer 



(Type Pentacrita coxalis Ashm.) 



13. Antennae ending in a distinct, abrupt club . . . . . . 14 



Antennae without a distinct club .. . . Erisphagia Forster 



(Type Eucoila curta Gir.) 



