72 PSYCHE ' [April 



98. Cup of scutellum normal ......... 99 



Cup of scutellum overlapping the apex of the scutellum Psichara Forster 



99. First joint of the flagellum not longer than the second or on'y a little 

 longer ............ 100 



First joint of the flagellum very distinctly longer than the second, the follow- 

 ing joints from 2^ to 3 times as long as thick . Hexamerocera Kieffer 



100. Flagellar joints long, cylindrical, four or more times longer than thick 



Pseudeucoila Ashmead 

 Flagellar joints at the most thrice as long as thick or even shorter 



Pentamerocera Ashmead 



1 01. Marginal cell confluent with the costal cell, the apical abscissa of the submargi- 

 nal vein wanting . . . . , . . . . . . 102 



Marginal cell not confluent with the costal cell, the apical abscissa of the 

 submarginal vein always present . . . . . . . 103 



102. Second abscissa of the radius wanting or not extending to the costa, the 

 marginal cell therefore open at apex ...... Adieris Forster 



Second abscissa of the radius distinct, reaching the costa ; first joint of the 

 flagellum more than twice the length of the second ; the second and follow- 

 ing moniliform ........ Piezobria Forster 



103. Cubitus in front wings always more or less present or distinct . . 104 

 Cubitus in front wings obliterated or wanting ..... 106 



104. Wings pubescent, ciliate . . . . . . . . 105 



Wings bare, glabrous, not ciliate .... Lytosema Kieffer 



105. Cup of scutellum narrowed, ellipzoidal ; first joint of flagellum very long, 

 slightly curved, as long as 2 and 3 united, joints beyond cylindrical 



Pilinothrix Forster 

 Cup of scutellum rather large oval or ovate ; first joint of flagelkmi not longer 



than the second Cothonaspis Hartig 



^ Tiybliographa Forster 



106. Cup of scutellum normal or not ending in a spine . . . . 107 

 Cup of scutellum abnormal, ending in a strong spine 



Acantheucoela Ashmead 



107. Cup of scutellum not large, either ovate or ellipzoidal with a fovea posteriorly 



108 

 Cup of scutellum large broadly oval or rounded 



First joint of the fiagellum subclavate at least as long as the second 



Diranchis Forster 



