NORTH AMERICAN HYMENOPTERA. 293 



0. S. — Osteii Sacken, Baron. On the Cynipidfe of the North American oaks and 

 their galls in Proceedings Entomological Society Phila., vol. i, 1861. 

 Additions and corrections to a paper entitled " On the Cynipidse of the North 



American Oaks and their Galls," in ditto vol. ii, 1862. 

 Contributions to the Natural History of the Cynipides of the United States and 



their Galls (Article 3d) in ditto vol. iii, 1863. 

 Contributions to the Natural History of the Cynipidse of the United States and 

 their Galls (Article 4th) in Transactions American Entomological Society 

 Phila., 1865. 

 Contribution to the Natural History of the Cynipidse of the United States and 

 their Galls in ditto vol. iii, 1870. 

 Prov. — Provancher, Mon. L'Abbe. Faune Canadienne Hymenopteres, Fam. vi, 



Cynipides in Le Naturaliste Canadien vol. xii, Quebec, 1881. 

 Reinh. — Reinhard in Entomologisch Zeitung, 1865. 

 Say. — Say, Thomas. Say's " American Entomology," edited by John L. LeConte, 



M.D. vol. ii. 

 WaM.— Walsh, Benj. D. On Dimorphism in the Hymenopterous genus Cynips 

 with an appendix containing hints for a new classification of the Cynipidse, 

 including descriptions of several new species, etc., in Proceedings Entomo- 

 logical Society Phila. vol. iv, 1864. 

 Galls and their Architects in American Entomologist vol. i, St. Louis, 1868. 

 Galls and their Architects (second article) in ditto vol. ii, 1869. 

 Wes^w.— Westwood, Prof. J. 0. "Magazine of Natural History," vol. vi, 1833; 

 in ditto vol. viii, 1836. 

 Guerin's " Magazine of Zoology," 1837. 

 " Introduction to Modern Classification of Insects," vol. ii, 1840. 



CATALOGUK. 



CYMIPID^E. 



Division I.— PSENID^, or True Gall-makers. 



DRYORHIZOXENUS. Ashmead. 

 Belonocnevia, Mayr. 

 floridanus, Ashm. Proc. Ent. Sec. 1881, p. xxv. 



Bidonocnema Theatae, Mayr. Die Gen. d. Gallenbw. Cynip. p. 16. 



RHODITES, Hartig. 



dichlocerus, Harris {Cynips) Ins. Mass. 3d Ed. p. 549; [Rhodites) Osten Sacken 



Proc. Ent. Soc. Phil, vii, p. 42. 

 bicolor, Harris {Cymps) 1. c. p. 548: (Rhodites) Osten Sacken 1. c. p. 49. 

 ignota, 0. S. 1. c. p. 49. 

 rosae, Linn. {Cynips) Sys. Nat. ii, 917; (Rhodites) Hartig Zeitschr. f. d. Ent. ii, 



1840 p. 194. 

 radicum, 0. S. 1. e. (ante) p. 46. 

 verna, 0. S. 1. c. p. 49. 



