^12 THE CANADIAN ENTOMOLOGIST. 



1886. Howard, Leland Ossian. — A generic synopsis of the hymenop- 

 terous family Chalcididre (continued). Entomologica americana, Brook- 

 lyn, II, pp. 38, 97. 



1887. Cresson, Ezra Townsend. — Synopsis of the families and genera 

 of the Hymenoptera of America, north of Mexico, together with a catalogue 

 of the described species and bibliography. Transactions, American Ento- 

 mological Society, Philadelphia, supplementary volume, 1887, pp. 77, 138. 



1893. Ashmead, William Harris. — Bull. Nos. 3, i, technical series, 

 Ohio Agric. Exp. Station, Norwalk, Ohio, p. 162. 



Original description of Arthrolytus apatelce Ashmead. 



1894. Webster, Francis Marion. — Notes on some species of Ohio 

 Hymenoptera and Diptera heretofore undescribed. Bull. Nos. 3, i, 

 technical series, Ohio Agric. Exp. Station, Norwalk, Ohio, p. 158. 



Arthi'olytus apatelce. 



I found, on September loth, a specimen of this species under the 

 body host, which had in this case evidently been killed by R/iogas inter- 

 medins Cress. It does not appear to be abundant. 



1894. Ashmead, William Harris. — Descriptions of new parasitic 

 Hymenoptera. Trans. American Entomological Societv, Philadelphia, 

 XXI. 



1897. Howard, Leland Ossian. — A study in insect parasitism, etc. 

 Bull. No. 5, technical series, Division of Entomology, U. S. Dep. Agric, 

 Washington, D. C, p. 36. 



1898. De Dalla Torre, Carl G. — Catalogus hymenopterorum hujusque 

 descriptorum systematicus et synonymicus, Lipsise, p. 155. 



Arthrolytus : albiscapus, apatelce, pimplce, punctatus, piuicticollis 

 and rugifrons. 



1903. Fiske, William F. — A study of the parasites of the American 

 Tent Caterpillar. Technical Bull. No. 6, New Hampshire College Agric. 

 Exp. Station, Durham, pp. 224-225. 



1904. Ashmead, William Harris. — Classification of the Chalcid FHes 

 or the superfamily Chalcidoidea, with, etc. Memoir of the Carnegie 

 Museum, Pittsburgh, I, No. 4 (Publications of the Carnegie Museum, 

 serial No. 21), pp. 320, 322, 367. 



1906. Nason, William A. — Parasitic hymenoptera of Algonquin, 

 Illinois, IV. Entomological News, Philadelphia, XVII, p. 153. 



1907. Mesi, Luigi. — Contribuzioni alia conoscenza dei calcididi 

 Italiani, Portici (Estratto dal Bollettino del Laboratorio di Zoologia 



