92 



POTATO-TUBER WORM; TOBACCO SPLIT- WORM. 



Phthorimxa operculella Zell. 



(Formerly Pita and Gelechia solanella. Works in stems and tubers.) 

 For general account see Kiley and Howard, Insect Life, v. IV, pp. 



239-242, 1892; Howard, Farmers' Bui. 120, U. S. Dept. Agric, pp. 



19-22, 1900. 



Exhibit: Adult and figure. 



THE POTATO-STALK WEEVIL. 



Trichobaris trinotata Say. 



For life history and general account see Chittenden, Bui. 33, n. s., 

 Div. Ent, IT. S. Dept. Agric, pp. 9-19, 1902. 

 Exhibit: Adult and work. 



STALK-BORER. 



Papaipema nitela Guen. 



(Formerly Gortyna and Hydrwcia. Bores in stems of various plants.) 

 For general account see Bird, Can. Ent. , v. XXX, pp. 127-128, 1898. 

 Exhibit: Adult. 



THE LITTLE GREEN TORTOISE-BEETLE. 



Cassida pattidula Boh. 



(Formerly O. texana.) 



For short account see Riley, Amer. Nat., v. 17, p. 1070, October 

 [17 Sept.], 1883. . 

 Exhibit: Adult. 



THE GOLDEN TORTOISE-BEETLE. 



Coptocycla bicolor Fab. 



(Formerly C. aurichalcea.) 



For general account see Sanderson, Bui. 59, Md. Agr. Expt. Sta., 

 pp. 139-140, 1899. 

 Exhibit: Adult. 



COLORADO POTATO-BEETLE. 

 Leptinotarsa decemlineata Say. 



(Formerly DorypJiora.) 



For general account of life history see Smith, Kpt. N. J. Agric. 

 Expt. Sta., 1895, pp. 452-458, 1896. 



Exhibit: Egg, larva, pupa, adult, figure, and the following enemies: 

 Brachinus kansa?ius Lee. , Chile-corns bividnerus Mels. , Coccinella san- 

 guinea Linn., Coccinella novemnotata Hbst., Harpalus caliginosus 

 Fab., Hippodamia convergens Guer., Hippodamia glacicdis Fab., Lebia 

 atriventris Say, Lebia grandis Htz., Megilla maculata DeG., Nezara 

 hilaris Say, Pasimachus elongatus Lee, Podisus sjnnosus DalL, Polistes 

 pallipes Lep. , and Tetracha mrginica Linn. 



