27 



THE GREEN" FRUIT- WORMS. 



The three following species of Xylina are commonly known as 

 green fruit- worms. 



For general account see Slingerland, Bui. 123, Cornell Univ. Agr. 

 Expt. Sta., 1896. 



Xylina antennata "Walk. 

 Exhibit: Adult and figure. 



Xylina grotei Riley. 

 Exhibit: Adult and figure. 



Xylina laticinerea Grote. 

 Exhibit: Adult and figure. 



ILLUSTRATION SHOWING WORK OF A TORTRICID ON APPLE. 



(The larva mines in and feeds beneath the skin of the fruit.) 



THE PLUM CURCULIO. 



Conotrachelus nenuphar Hbst. 

 For general account and bibliography see Lintner, 7th Rpt. N. Y. 

 St. Ent., pp. 288-296, 1891. 

 Exhibit: Adult and figure. 



THE APPLE CURCULIO. 



Anthonomus quadrigibbus Say. 

 For general account see Gillette, Bui. 11, Iowa Agric. Expt. Sta., 

 pp. 492-491, 1890. 



Exhibit: Adult and figure. 



THE APPLE-FRUIT MAGGOT. 



Rhagoletis pomonella Walsh. 

 (Formerly Trypeta.) 



For life history see Harvey, Rpt. Maine Agr. Expt. Sta., p. 190, 

 1889; Banks, Bui. 34, Div. Ent., U. S. Dept. Agric, p. 45, 1902. 

 Exhibit: Puparium, adult, and figure. 



THE PERIODICAL CICADA. 



THE PERIODICAL CICADA. 



Tibicen septendecim Linn. 



(Injures by deposition of eggs in the twigs almost all fruit, shade, 

 and forest trees. Formerly Cicada.) 



For life history and general article see Marlatt, Bui. 14, n. s., Div. 

 Ent., U. S. Dept. Agric. 1898. 



Exhibit: Full life history with figures. Enemies: Megastizus spe- 

 ciosus Dru. (adult and figure), Oripoda elongata (figure), Pediculoides 

 ventricosus (figure). 



