22. 



INJITRINC; LEAVES AND ROOTS. 



GRAPE PHYLLOXERA. 



Phylloxera vastatrix Planch. 



For general article see Marlatt, Farmers' Bui. 70, U. S. Dept. Agric, pp. 4-9, figs., 

 1898. 

 Exhibit: AVork and figure. 



INJURING THE STEMS AND BRANCHES. 

 COTTONY MAPLE SCALE. 



Pulrinaria mnumerablls Rathv. 



(Foot-plants: Alder, apple, box-elder, elm, graj)e, lin(\en, maples, pear, willow, etc.) 

 For bibliograph}^ and food plants see Fernald, Cat. Coccida^ of World, Bui. 88, 

 Mass. Agr. Coll., pp. 134-135, 1903; Howard, Bui. 22, n. s., Div. Ent., U. S. Dept. 

 Agrir., pp. 8-16, figs. 4, 1900. 

 Exhibit: Infested twig. 



THE GRAPE SCALE. 

 Asjndiotus uvpt' Comst. 



(Food-plants: Ampelopsis, grape, hickory.) 



For bibliography see Fernald, Cat. Coccidfe of World, Bui. 88, Mass. Agr. Coll., 

 p. 280, 1903. 



Exhibit: Infested twig. 



THE APPLE TWIG-BORER. 



Amphicerus hicaudatus Say. 



For general account see Marlatt, Farmers' Bui. 70, U. S. Dept. Agric, pji. 11-13, 

 figure, 1898. 

 Exhibit: Adult and figure. 



RED-SHOULDERED TWIG-BORER. 



Slnoxylon basilare Say. 



For general account see Lugger, 5th Rpt. St. Ent. Minn., pp. 70-72, 1899. 

 Exhibit: Adult and figure. 



THE SNOWY TREE-CRICKET. 



CEcanthus niveus DeG. 



For general account see Lugger, 3d Rpt. St. Ent. Minn., pp. 269-271, 1898. 

 Exhibit: Adult and figure. 



(ECANTHUS LATIPENNIS Riley. 



For brief article see Lugger, 3d Rpt. St. Ent. ^Nlnin., p. 273, 1898. 

 Exhibit: Adult. 



GRAPE-VINE ROOT-WORM. 



Fklla rilidda Walsh. 



For life history and bibliography see Felt, Bui. 72, N. Y. St. Museum, 1903, 55 pp., 

 with colored plate. 

 Exhibit: Adult and figure. 



Exhibit: Adult. 



GRAPE-VINE FIDIA. 



Fidia hmg'ijH's Mcls. 



1NJITRIN(^ THE LEAYES. 



ACHEMON SPHINX. 



Pholus arhemon Dru. 



(Former!}^ Philampelus. ) 



For general account see Lugger, 4th Rpt. State Ent. IMinn., pp. 38-40, 1899. 



Exhibit: Larva and adult. 



