92 



POTATO-TUBER WORM; TOBACCO SPLIT- WORM. 



Phthorimxa operculella Zell. 



(Former!}" Lita and Gelechia solanella. Works in stems and tubers.) 

 For general account see Riley 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 Hydrmcia. 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 paUidula Boh. 



(Formerly 0. texana.) 



For short account see Rile} T , Amer. Nat., v. IT, 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 Doryphora.) 



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

 Expt. Sta., 1895, pp. 452-1:58, 1896. 



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

 Bracliinus Tcansanus Lee. , Chiloconis Mvidnerus Mels. , C'occinella san- 

 guined Linn., Coccinella novemnotata Hbst., Harpakcs caliginosus 

 Fab., Ilippodamia convergens Guer., Ilippodamia glacialis Fab., Lebia 

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

 Mlaris Say, Pasimachus elongatus Lee, Podisus spinosus DalL, Polistes 

 pallipes Lep., and Tetracha mrginica Linn. 



