128 Journal New York Entomological Society. [Vol. ve 



4. Hind wings without a closed discal cell 6 



Hind wings with a closed discal cell. 



Claws simple or with a minute scarcely perceptible tooth within 5- 



Claws cleft or with a large tooth within. 



Anal cell in hind wiDgs as long as the submedian. 9 



Isodyctium Ashm, 

 Anal cell in hind wings shorter than the submedian. 



Tiansverse median nervure in hind wings received by the discal 

 cell at or somewhat beyond the middle ; sheaths of ovipositor 

 equally thickened and more or less obliquely pointed at apex - r 

 third joint of antennae almost as long as joints 4-5 united. 9 



Periclista Konow. 



Transverse median nervure in hind wings received by the discal 



cell before the middle ; sheaths of ovipositor produced at apex 



into a thorn like tip. 9 Ardis Konow. 



5. Third joint of antennae longer than the fourth ; sheaths of ovipositor at tips obtuse. 



Pareophora Konow. 



Third joint of antennae a little shorter than the fourth, never longer ; sheaths of 



ovipositor at tips rounded ; clypeus anteriorly truncate. Rhadinoceraea Konow.. 



6. Anal cell in hind wings as long as the submedian. 9 Isodyctium Ashm.. 



Anal cell in hind wings shorter than the submedian. $ Ardis Konow. 



7. Third joint of antennae longer than the fourth. S 



Third joint of antennae shorter than the fourth or not longer; hind wings with 



one discal cell ; claws bifid Phylmatocera Dahm. 



8. Praesternum of mesosternum not at all separated by a suture 9' 



Praesternum of mesosternum separated by a distinct suture. 



Clypeus anteriorly truncate ; hind wings with one discal cell, the anal cell 

 shorter than the submedian ; claws loog, simple. . Tomostethus Thems. 



9. Hind wkigs with one discal cell , 13. 



Hind wings without a discal cell. 



Hind wings with the marginal cell pointed at apex and sometimes open. . 12 

 Hind wings without a surrounding nervure at apex the marginal cell well 



rounded at apex and with an appendage 10 



Hind wings with a surrounding nervure at apex the marginal cell well 



rounded at apex but without an appendage II 



10. Third tiansverse cubitus curved inwardly and not extending in the same direction 

 with the transverse radius, the third submarginal cell considerably lirger than 

 the first and second united ; antennae dense 1 y pilose, tapering toward tips, the 

 thiid joint longer than the fourth ; claws cleft. 9 $ ■ Parazarca Ashm. g. d. 



(Type fumipennis Ashm.) 

 Third transverse cubitus straight or nearly so, and running in the same direction 

 with the transverse radius ; antennae pubescent, the third joint nearly as 

 long as joints 4 and 5 united 

 Claws cleft or bifid ; anal vein in front wings straight, not curving upwards 

 at tip ; transverse cubitus in hind wings not short, the anal cell shorter 

 than the submedian, briefly petiolated. . . 9 Erythraspides Ashm. g. n. 



(Tjpe pygmaa Say.) 



