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. 



Conolrachelus nenuphar Hbst. 

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

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



Exhibit: Adult, figure, and enemies, Aspicloglossa svbangulata, 

 Chauliognathus ftennsylvanicus, llarpalus caliginosus, and parasite 

 Sigdl/phus curculionis. 



THE PLUM GOUGER. 

 Anthonomus prunicida Walsh. 

 (Formerly Coccotwus. ) 



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, Cir. 2, Div. Ent., U. S. Dept. 

 Agric, 1891. 



Exhibit: Adult and work. 



FORBES' SCALE; CHERRY SCALE. 



Aspidiotus forbesi Johns. 

 (See under " More important scale insects.") 



For bibliography and food plants see Fernald, Cat. Coccidas 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. 31, Div. Ent., U. S. Dept. Agric, 16 pp., 1902. 



THE PEACH SCALE. 



Eulecanium persiciv Fab. 



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

 under "More important scale insects.") 



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

 Coccidie of World, Bui. 88, Mass. Agr. Coll., pp. 191-193, 1903. 



Exhibit: Infested twig. 



