32 



SINUATE PEAR-BORER. 



Agrilus sinuatus Oliv. 



For general accounts see Smith, Rpt. Entoni. N. J. Agr. Exp. 

 Sta. f. 1804, pp. 550-561, 1896; Banks, Bui. 31, Div. Ent., U. S. Dept. 

 Agric, pp. 40-41, 10O2. 



Exhibit: Adult and figure. 



INSECTS INJURIOUS TO PLUM. 



THE PLUM CURCULIO. 



Conotrachdns neimphdr Hbst. 

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

 St. Eat., pp. 2s8-29(), 1891. 



Exhibit: Adult, figure, and enemies, Aspidogloma subangulata^ 

 CJiuuIiognathus pennsylvaniettx^ Ilarpalns cal'ujinoHUH^ and parasite 

 Slyalphus curculionis. 



THE PLUM GOUGER. 

 AntJionomus prunicida Walsh. 



(Formerly Coccotones.) 



For general accounts see Riley and Howard, Insect Life, v. II, pp. 

 258-259, 1890; Gillette, Bui. 47, Colo. Agr. Exp. Sta., pp. 20-22, 1898. 

 Exhibit: Adult, work, and figure. 



THE HOP PLANT-LOUSE. 



Phorodon humuH Schr. 

 (Attacks hop and plum.) 



For full life history see Riley, Circ. 2, Div. Ent., U. S. Dept. 

 Agric, 1891. 



Exhibit: Adult and work. 



FORBES' SCALE; CHERRY SCALE. 



Aspidiotns forbesi Johns. 

 (See under "More important scale insects.") 



For bibliography and food plants see FernaM, Cat. Coccidse of 

 World, Bui. 88, Mass. Agr. Coll., pp. 259-260, 1903. 

 P^xhibit: Infested twio". 



INSECTS LIABLE TO BE DISTRIBUTED ON NURSERY STOCK. 



See Banks, Bui. 34, Div. Ent., H. 8. Dept. Agric, 46 pp., 1902. 



THE PEACH SCALE. 



J'Jii/i'cdiiiinn persicu' Fab. 



(Food plants: Peach, plum, quince, etc.; formerly a Lecanium. 

 See under "More important scale insects.") 



For bibliography, food plants, and distri})ution see Fernald, Cat. 

 Coccidse of World," Bui. 38, Mass. Agr. Coll., pp. 191-193, 1903. 



Exhibit: Infested twig. 



