6G PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiii. 



Radius originating before the middle of the stigma. 



Fifth joint of hind tarsi scarcely as long as the fourth; claws not large; 

 luetanotum regularly areolated, the middle lateral area not 

 separated from the angular area l)y a transverse carina. 



(439) Ijwclojius FiJrster. 

 Fifth joint of hind tarsi distinctly longer than the fourth; claws long; 

 metanotuni not at all, or very incompletely, areolated. 



(440) Mesolepius Gravenhorst. 

 1(5. Last joint of hind tarsi either distinctly shorter than the third, or no longer 



and not pectinate 17 



Last joint of hind tarsi as long or longer than the third and distinctly pectinate. 



(441) Hadrodacfijbis Forster. 



1 7. Clypeus not impressed at apex 18 



Clypeus impressed at apex, faintly rounded; mesonotum and scutellum aluta- 



ceous and punctate (■I-IS) Alereter Forster. 



18. Clypeus not fiat; external median area not j^rominently toothed 10 



Clypeus flat; external median area ijrominently toothed; radius in front wings 



originating beyond the middle of the stigma. 



(443) (hylorns Fr)rster. 



19. Radius originating from the middle of the stigma; transverse median nervure 



broken heyond the middle; mesonotum and scutellumalutaceous and 



punctate (444) SymjjJiobus FiJrster. 



Radius originating before the middle of the stigma. 



Transverse median nervure in hind wings broken somewhat above the mid- 

 dle; mesonotum and scutelluni alutaceous, punctured 20 



Transverse median nervure in hind wings broken below the middle; meso- 

 notum and scutelluni shining, punctured; antennae not ringed with 

 white (•I'lS) Zerniodes Forster. 



20. Disco-cubital nervure broken l)y an erect stump of a vein; discoidal cell broader 



at base than the anal cell at apex ; teeth of mandibles feebly split 

 at apex; antenufe and hind tarsi not ringed with white. 



(446) Terozoa Forster. 

 Disco-cubital nervure not broken and wiiJiont a stump of a vein; discoidal cell 

 not so Avide at base as the anal cell at apex; teeth of mandibles not 

 split; antennae and hind tarsi ringed with white. 



(447) ITimerta Forster. 



21. Clypeus without a transverse impression at apex 22 



Clypeus iinth a transverse impression at apex. 



Third joint of maxillary palpi with a small tooth just before the tip. 



(448) Genarches Forster. 

 Third jcnnt of maxillary palpi witJioid a tooth before the tiji, normal. 



(449) Dicdrns Forster. 



22. Front wmgs u-ilh an areolet 23 



Front wings uithout an areolet (450) Neleothymus Forster. 



23. Metathoracic spiracles round, or short oval, not distinctly ovate 24 



Metathoracic spiracles distinctly and strongly ovate; scutellum with two sharp 



parallel carinpe at apex; transverse median nervure in front wings 

 originating behind the basal ner\iire; antennae and hind tarsi not 

 ringed with white; mesonotum, scutellum, mesopleura, and hind 

 coxfe distinctly punctured but not alutaceous. 



(451) Asymmictus Forster. 



24. Transverse median nervure in the front wings originating distinctly behind the 



basal nervure; antennae and hind tarsi not ringed with white; 

 mesonotum, scutellum, and mesopleura alutaceous. 



(452) Clepsiporthus Forster. 



It 



