21 



THE SCURFY SCALE. 



Chionaspis furfur a Fitch. 



(Food plants: Apple, cherry, currant, elm, pear, etc.) 



For bibliography and food plants see Fernald, Cat. Coccidje of World, Bui. 88, 

 Ma.«^<. Agr. Coll., pp. 217-219, 1903; Howard, Yearbook, U. S. Dept. Agric, 1894, 

 pj). 259-261, figs.; Banks, Bui. 34, Div. Ent., U. S. Dept. Agric, p. 14, 1902. 



Exhibit: Infested twig. 



SINUATE PEAR-BORER. 



Agrilus sinuatus 01. 



For general accounts see Smith, Rpt. I^ntom. N. J. Agr. Exp. Sta. f. 1894, pp. 

 556-561, 1895; Banks, Bui. 34, Div. Ent., U. S. Dept. Agric, pp. 40-41, 1902. 

 Exhibit: Adult and figure.. 



INSECTS INJURIOUS TO PLUM. 



THE PLUM CURCULIO. 



Conotrachtius 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 subangulata Chd., Chauliognalhus 

 pennsylvanicus DeG. , Harpalus caliginosus Fab. , and parasite Sigalphus curculionis Fitch. 



THE PLUM GOUGER. 



Anlhonomus scutellaris Lee. 



(Formerly Coccotorus prunicidu Walsh.) 



For general accounts see Riley and Howard, Insect Life, Vol. II, pp. 258-259, 

 1S90; Gillette, Bui. 47, Colo. Agr. Exp. Sta., pp. 20-22, 1898. 

 Exhibit: Adult, work, and figure. 



THE HOP APHIS. 



Phorodon hunndi 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. 



Aapidiofus forhesi Johns. 



For bibliography and food plants see Fernald, Cat. Coccida? of World, Bui. 88, 

 Mass. Agr. Coll., p]). 259-260, 1903. 

 Exhibit: Infested twig. 



INSECTS INJURIOUS TO GRAPE. 



For the more important grape insects see Marlatt, Farmers' Bui. 70, U. S. Dept. 

 Agric, 1898; Saunders, Insects Injurious to Fruits, 2d edition, pp. 227-302, 1900; 

 Bruner, Nebr. State Hortic. Soc. Rept. f. 1895, pp. 69-162, 1896. 



INJURING THE ROOTS. 



THE TILE-HORNED PRIONUS. 



Prionus imbricornis Linn. 



For general account of Prionus species see Lugger, 5th Rpt. St. Ent. Minn., pp. 

 110-111, 1899. 

 Exhibit: Adult. 



THE GRAPEVINE ROOT-BORER. 



Memythrus poUstiformis Harr. 

 (Formerly Sciapteron. ) 



For general account see Lugger, 4th Rpt. St. Ent. Minn., p{). 55-57, 1899. 

 , Exhibit: Figures. 



