88 



THE GRAPEVINE ROOT-BORER. 



Mcuii/tltfuti jiolidifarjiu.s Ilarr. 

 (Formerly Sekq^teron. ) 



For general account see Lugger, 4th Rpt. St. Ent. Minn., pp. 55- 

 57, 1899. 



Exhibit: Figures. 



INJURING LEAVES AND ROOTS. 



GRAPE PHYLLOXERA. 



Phylloxera vastatrix I'lauch. 

 For general article see Marlatt, Farmers' Bui. 70, U. S. Dept. 

 Agric, pp. 4-9, figs., 1898. 

 Exhibit: Work and figure. 



INJURING THE STEMS AND BRANCHES. 



COTTONY MAPLE SCALE. 



Pulvinaria innumerahUs Rath v. 



(Foot-plants: Alder, apple, box-elder, elm, grape, linden, maples, 

 pear, willow, etc. See under "More Important Scale Insects.'") 



For bibliography and food plants see Fernald, Cat. Coccida3 of 

 World, Bui. m, Mass. Agr. Coll., pp. 131-135, 1903; Howard, Bui. 

 22, n. s., Div. Ent., U. S. Dept. Agric, pp. 8-16, figs. 4, 1900. 



Exhibit: Infested twig. 



THE GRAPE SCALE. 



Aapidiotiis vv;c Comst. 



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



For bibliography see Fernald, Cat. Coccida^ of World, Bui. 88, 

 Mass. Agr. Coll., p. 280, 1903. 

 Exhibit: Infested twig. 



THE APPLE TWIG-BORER. 



Amphicerus bicaudatus Bay. 

 For general account see Marlatt, Farmers' Bui. 70, U, S. Dept. 

 Agric, pp. 11-13, figure, 1898. 

 Exhibit: Adult and figure. 



RED-SHOULDERED TWIG-BORER. 



Sinoxylon Jxisilare Say. 

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

 72, 1899. 

 Exhibit: Adult and figure. 



THE SNOWY TREE-CRICKET. 



(Ecutdlitis iilceus DeG. 

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

 1898. 



Exhibit: Adult and fipure. 



