(D.) 



CONTRIBUTIONS TO THE DEPARTMENT. 



The following are the contributious that have been made to the 

 Department collections during the year : 



In Hymenopteka. 



Pelopceus ccementarius (Drury), Pelopoeus cceruleuH (Drury), and Ophion 

 bilineatus Say. From Mrs. E. B. SanxH, 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 Torymiis, Tetaatrichus, 

 and Entedon, obtained from galls of Cecidomyia hetidue, contributed by 

 Peter Inchbald, Fulwith Grange, Harrowgate, Eng. 



Bhyssa (Thalessa) lunafor (Fahr.). From Monroe Crannell, Albany, 

 N. Y. 



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

 on the acorn cup of Quercus rubra, October 2G. From Augustus Floyd, 

 Moriches, N. Y^ 



Woolly-galls on scrub oak, Quercus nigra, disclosing Cynips q. op)erator 

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



Larvae of the larch saw-fly, Nematus Erichmnii Hartig, from tama- 

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

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

 en route, July 9th. From Rev. Henry U. 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, 111. 



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

 tain young larvae 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. 



