1 903 ] A SHMEA D : — C YNIPOIDEA 6 5 



37. Flagellar joints all long and cylindrical, the last 7 or 8 joints, however, are 

 sometimes stouter and form sometimes a more or less well defined club ; first 

 abscissa of the radius distinctly shorter than the second .... 38 



Flagellar joints not all long and cylindrical, some oblong oval, ellipzoidal, or 

 moniliform ........••• 4° 



38. Scutellum normal, the cup not modified into a carina • • • 39 

 Scutellum abnormal, the axillae acutely toothed posteriorly, the cup modified 

 into a carina which is gradually dilated posteriorly, appearing tridentate ; 

 antennae long, filiform, the flagellar joints long, cylindrical, the first joint of 

 the fiagellum not quite so long as the second (South America.) 



Trissodontaspis Ashmead, gen. nov. 

 (Type T. rufipes Ashm.) 



39. Head and thorax finely coriaceous, not polished, the scutellum with two large 

 oblong foveae at base, the cup narrowed ellipzoidal, connected with a carina ante- 

 riorly ; antennae long, subfiliform slightly and gradually thickened toward apex, 

 the flagellar joints long, cylindrical, the first shorter than the second, third, or fourth 

 which are about equal, the fifth and beyond a little thicker and shorter. (South 

 America.) ....... Dieucoela Ashmead, gen. nov. 



(Type D. subopaca Ashm.) 

 Head and thorax smooth, shining, the scutellum with a large oval or round 

 cup ; first three joints uf flagellum much elongated, and slenderer than the 

 following ......... Aglaotoma Forster 



(Type Cothonaspis codrunus Forst.) 



40. Mesonotum without furrows or lines ....... 41 



Mesonotum with furrows or grooved lines. 



Marginal cell rather short and broad, the second abscissa of the radius 



curved Chrestosema Forster 



(Type C. erythrapum Forst.) 



41. Cup of scutellum excavated, smooth in front, the anterior part closed, poste- 

 riorly with a fovea ........... 42 



Cup of scutellum flattened, neither excavated nor margined, slightly arched; 

 metathorax smooth ; antennae filiform . . . Ganaspis Forster 



(Type G. mundata Forst.) 



42. Cup of scutellum not extending over the tip of the scutellum; antennae 

 usually with a more or less distinct club ....... 43 



Cup of scutellum greatly elevated above the tip of the scutellum; antennae 



without a distinct club, usually long Psichara Forster 



(Type Cothonaspis longicornis Hartig.) 



43. First and second abscissae of the radius not nearly equal in length, the first 

 most frequently much shorter than the second ...... 44 



