32 



SINUATE PEAR-BORER. 



Agrilus sinuatus Oliv. 



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

 Sta. f. 1894:, pp. 556-561, 1895; Banks, Bui. 31, Div. Ent., U. S. Dept. 

 Agric, pp. 10-11, 1902. 



Exhibit: Adult and figure. 



INSECTS INJURIOUS TO PLUM. 



THE PLUM CURCULIO. 



Conoirachelus nenuphar Hbst. 

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

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



Exhibit: Adult, figure, and enemies, Aspidoglossa siibangidata, 

 Chauliognathus pennsylvanicus, Harjxdiis caliginosiis, and parasite 

 Sigal/phus curculionis. 



THE PLUM GOUGER. 

 Anthonomus prunidda "Walsh. 

 (Formerly Coccotones.) 



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

 258-259, 1890; Gillette, Bui. 17, Colo. Agr. Exp. Sta., pp. 20-22, 1898. 

 Exhibit: Adult, work, and figure. 



THE HOP PLANT-LOUSE. 



Phorodon humuli Schr. 

 (Attacks hop and plum.) 



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

 Agric, 1891. 



Exhibit: Adult and work. 



FORBES' SCALE; CHERRY SCALE. 



Aspidiotus forbesi Johns. 

 (See under " More important scale insects.") 



For bibliograph}^ and food plants see Fernald, Cat. Coccida^ of 

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

 Exhibit: Infested twig. 



INSECTS LIABLE TO BE DISTRIBUTED ON NURSERY STOCK. 



See Banks, Bui. 34, Div. Ent., U. S. Dept. Agric, 16 pp., 1902. 



THE PEACH SCALE. 



Eulecanium persicx Fab. 



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

 See under "More important scale insects.") 



For bibliography, food plants, and distribution see Fernald, Cat. 

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



Exhibit: Infested twig. 



