ICHXEUMOXOIDEA. 



17 



Table of Families of Icuneumoxoidba. 



Abdomen emitted from dorsum of metathorax. Elvaniidse. 

 Abdomen emitted from apex of metathorax. 

 Front wings with discoidal nervures ; scape 



alv\^ays short. 

 Terebra emitted from near apex of the usually 



depressed abdomen. 



Second recurrent nervure present Ichneumonidae. 



Second recurrent nervure entirely wanting- . . Braconidae. 

 Terebra emitted from near base of the usually 



compressed abdomen Cynipidae. 



Front wings with no discoidal nervures ; scape 



often elongate. 

 Prothorax not reaching base of wings ; venter 



emitting terebra Chalcididae. 



Prothorax reaching base of wings ; anus 



emitting terebra Proctotrypidae. 



