66 PSYCHE [April 



First and second abscissae of the radius equal in length or very nearly 



Antennae usually with a 7- or 8-jointed club, the joints elongate, cylindri- 

 cal, the first joint of the flagellum shorter than the second ; cup of scu- 

 tellum usually small ..... Rhoptromeris Forster 



(Type Cothonaspis eucera Hartig.) 



44. Marginal cell not short, much longer than wide ..... 45 

 Marginal cell rather short, hardly longer than wide, the second abscissa of 

 the radius curved outwardly (South America.) 



Zaeucoela Ashmead, gen. nov. 

 (Type Z. unicarinata Ashm.) 



45. Antennae with an abruptly defined club; cup of scutellum usually small, nar- 

 rowed, ovate or ellipzoidal, rarely large oval ...... 46 



Antennae 7vithout an abruptly defined club, filiform or nearly, or only slightly, 

 incrassated toward apex . . . Pseudoeucoila Ashmead, gen. nov. 



= Eucoila Auctore. 

 (Type Cothonaspis trichopsila Hartig.) 



46. Club of antennae 7-jointed or less ....... 47 



Club of antennae 8-jointed. 



Flagellum with joints 2 and 3 very small, together scarcely as long as the 

 first ....... Dimicrostrophis Ashmead 



(Type D. ruficornis Ashm.) 



47. Club of antennae 6-jointed or less ....... 48 



Club of antennae 7-jointed. 



Flagellum with joints 2 and 3 not small, neither much shorter than the 

 first ....... Heptamerocera Ashmead 



(Type H. robusta Ashm.) 



48. Club of antennae 5 -jointed or less ....... 49 



Club of antennae 6-jointed ..... Hexamerocera Kieffer 



(Type Eucoila rufiventris Gir.) 



49. Club of antennae 5-jointed .... Pentamerocera Ashmead. 



(Type P. angularis Ashm.) 

 Club of antennae 4-jointed .... Tetramerocera Ashmead 



(Type T. variabilis Ashm.) 



50. Marginal cell closed at base, the apical abscissa of the submarginal vein 

 distinct ............51 



Marginal cell open at base or confluent with the costal cell, the apical abscissa 

 of the submarginal vein wanting 



Second abscissa of the radius usually wanting or much abbreviated ; 



scutellum at apex normal ..... Adieris Forster 



(Type A. reclusa Fiirst.) 



