Classification of the Cynipidae. 179 



GENUS. 



21. Trigonaspis, Hartig=BiORHizA, Westw. partim. 



Species with alternate generations. 



crustatis, Hart., alternates with the agamous B. 



renum, 

 synaspis, Hart. 



22. BioRHizA, Westw. = Apophyll,us et Teras, Hart. 



= Dryoteras, Forster. 



Species witJi alternate generations, 



aptera, F., alternates with sexual Teras terrninalis 



(Quercus, Fagus, Finns, and Vitis), 

 forticornis, Walsh, American. 



23. Chilaspis, Mayr. 



nitida, Giraud. 



24. Plagiotrochus, Mayr. 



cocciferae, Licht. 

 ilicis, Licht. 



25. LoxAULUS, Mayr. 



mammula, Bassett. N. America. 



26. Dryocosmus, Giraud = Entropha, FCrster. 



cerripliilus, Gir. 

 nervosiis, Gir. 



27. HoLCASPis, Mayr. 



duricoria, Bassett. N, America. Q. bicolor. 

 globulus, Fitch. 

 rugosa, Bassett. 



28. Dryophanta, Forster =Liodora, Forst. 



Species with alternate generations. 

 Agamous, Sexual. 



D. divisa, Hart, alternates with the sexual Sp. verrucosa, 

 scutellaris, Hart. „ „ Sp. Taschenbergt, 



longiventris, Hart. ., „ Sp. similis. 



N 2 



