AGRICULTURAL EXPERIMENT STATION. 191 



Riley.— Amev. Agric, July 1872, V. 31, pp. 263-264, 2 figs; 

 N. Y. Semi- Weekly Tribune, 15 Dec, 1876; Amer. Ent., July 

 1880 (V. 3) N. S., y. 1, pp. 159-160; Stoddard's Encyclopaedia 

 Americana, 1883, V. 1, p. 135. 



(a) Comparative descriptions and figures of larvffi, pupa 

 and imagos of Trypeta pomonella and Carpocapsa pomonella ; 

 figures showing injuries of both species ; distribution and means 

 against Trypeta. 



(6) Description larvoe, pupa imago ; ravages, food plants, 

 habits, means against, literature. 



(c) Example of acquisition of new habits in insects. 



Cook.— Rept. Mich. Bd. Agric. 1889, p. 152 ; Kept. Mich. 

 Expt. Station 1889, p. 97, (attacks plums and late cherries in 

 Michigan.) 



CordZe?/ —Orchard and Garden, 1889, Vol. 11, No. 10, p. 192, 

 (records occurrence in plums and cherries in Mich.) 



Davis. — Ohio Farmer, Nov. 1889, (records occurrence in plums 

 and cherries in Mich.) 



Trans. Me. St. Pom. Soc'y. 



1882. — p. 101, Extracts from Prof. Comstock's paper in U. 8. 

 Agr'l. Rept., 1882, p. 195. Supplementary remarks to above by 

 S. C. Harlow. 



1883.— p. 30, Hon. Robt. H. Gardner; p. 43, T. S. McLellan; 

 p. 61, Hon. Z. A. GUbert. 



1884.— p. 70, L. H. Blossom. 



1887. — p. 9, Remarks by the Secretary D. H. Knowlton ; pp. 

 84-85, Prof. Carl Braun; p. 101, P. M. Augur. 



1888.— p, 26, Pres. Chas. S. Pope; p. 56, Prof. Maynard ; 

 p. 114, Questions to fruit growers by Sec'y. Knowlton ; p. 117, 

 remarks by Committee on Lists of Fruit. 



The above Transactions also occur in the Maine State Agr'l. 

 Reports of the corresponding years. 



History and Distribution. 



Both the fiy and the maggot of this species appear to have 

 been observed many years before Walsh published his original 

 description in the American Journal of Horticulture, December 

 1867. Walsh states that he bred the flies from maggots found 



3 H 



