(D.) 



CONTRIBUTION'S TO THE DEPARTMENT. 



The following are the contributions that have been made to the 

 Department collections during the year : 



In Hybienoptera. 



Pelopceus ccementarius (Drury), Pelopceus ccei^uleus (Drury), and Ophion 

 bilineatus Say. From Mrs. E. B. SanTH, Coeymans, N. Y. 



Isosoma hordei (Harris) — the larvse in wheat straw, September 7th. 

 From C. H. Boyd, Johnson's Creek, Niagara county, N. Y. 



Undetermined species of the Chalcid genera of Torymus, Tetasti^ichus, 

 and Entedon, obtained from galls of Gtcidomyia hetidce, contributed by 

 Peter Inchbald, Fulwith Grrange, Harrowgate, Eng. 



Bhyssa {Thalessa) lunator (Fabr.). From Monroe Crannell, Albany, 

 N. Y. 



The Oak plum-gall, containing larvae of Cynips q. primus Walsh, 

 on the acorn cup of Querc'us rubra, October 26. From Augustus Floyd, 

 Moriches, N. Y. 



Woolly-galls on scrub oak, Quercus nigra, disclosing Gynips q. operator 

 O. S. From Dr. M. O. Planck, Schenectady, N. Y. 



Larvse of the larch saw-fly, Nematus Erichsonii Hartig, from tama- 

 racs at De Kalb Junction, St. Lawrence county, N. Y., June 29th. 

 From C. Phelps, De Kalb, Larvse of the same, and cocoons spun 

 en route, July 9th. From Rev. Henry TJ. Swinnerton, Cherry Valley, 

 Otsego county, N. Y. 



Dolerus sericeus Say, from apple, tree blossoms. From John L. 

 Balderston, Kennett Square, Pa. 



Eggs of Nematus ventricosus Klug, parasitized by Trichogramma pre- 

 tiosa Riley, May 16th. From Hallett & Son, Galena, HI. 



Tips of currant twigs girdled and broken down, and found to con- 

 tain young larvse of an insect apparently belonging to the Hymenop- 

 tera. May 30th. From Prof. Charles H. Peck, Menands, N. Y. 



In Lepidoptera. 

 Sphinx quinquemaculata Haworth — a female specimen captured 

 September 28th. From Mrs. John Blair, Albany, N. Y. 



