PAKASlTIC HYMENOPTERA. SI3 



Agathis alis posticis nervo anali auctis, Jgaihis et Eurtjzona" pree- 



terea ore rostriformi. 

 MiCROGASTER antcnnarum articulis numero determinato. 

 Bracon terebra sagpe longissima, Lasiophorus^ autem fronte cornuta 



tibiisque hirsutis. 

 Neoneurus" areola radiali appendiculata, prsediscoidali autem effusa. 

 Proteroi's ocello altero antennis interjecto, fronte quasi nulla. 

 Leiophron terebra incurva. 

 Slreblocera antennis difFormibua geniculatis, 

 G any chorus alis pro sexu disparibus. 

 Helcon fronte mucronata, femoribus posticis dentatis. 

 Helerospilus et Hecaholus alis posticis stigmata auctis in sexu 

 altero. 

 SiGALPHUs abdomine cataphracto, — Chelonus porro femina pupam 



adultam foeta ! auctore Dufourio. 

 Alysia. denique mandibulis patulis recurvis, Chasmodon etiam cor- 

 pora aptero. 



Gen. XII. — Alysia, Latreille. 



MandihulcB distanfes, apice 7'ecurvce o-, tel ^-dentatce ; occiput 

 immarrfmatum : alee anticcs areola prae-discoidali remota : 

 abdomen segmentis 2". et 3". in uniim omnino coalitis, {modo 

 non semper.) 



*Alysia Latr. Hist. Nat. XUl. Gen. Cr. 



Ins. IV. 14. 



Id Lamarck, Anim. s. Vert. IV. 



Id Leach. Encycl. Edin. IX. 



Cechenus Illiger, Fna, Etr. praf. — Oken 



Com. 

 Braconid^e Exodontes. Wesm. Brae. Belg. 



Bassus spp Panz. Kr. Rev. — Spinola. 



Cryptus spp Fabr. S. Piez. 



Ichneumon spp. . . . Scopoli — Panzer Thunberg — 



Gmelin., &c. 



Adnot. — Nervi recurrentis discoidalis in alis posticis incrementum 

 character proprius est his ti-ibus Generibus, — Rogas, — Opius,- — 

 Alysia, — nee tamen cunctis spp. communis. — Ccelinii N. ah E. 

 cum Dacnusis prope conveniunt nee in Genus proprium me judice 



" Subgenus Ausliuliauuin, '' E. g. Diacun laiueolatur, /''. 



* Genus Euroiisuin. 



