13 
INJURING THE BRANCHES. 
THE APPLE-TREE PRUNER. 
Elaphidion villosum Fab. 
For full account and food plants see Chittenden, Bul. 18, n.s., Div. Ent., U.S. 
Dept. Agric., pp. 35-40, 1898. 
Exursit: Adult, work, and figure. 
THE NEW YORK WEEVIL. 
Ithycerus noveboracensis Forst. 
For general account see Lugger, 5th Rpt. St. Ent. Minn., pp. 187-189, 1899. 
Exuisir: Adult and work. 
THE APPLE TWIG-BORER. 
Amphicerus bicaudatus Say. 
For general account see Marlatt, Farmers’ Bul. 70, U. S. Dept. Agvic., pp. 11-13, 
fig., 1898. 
Exuisir: Adult, work, and figur . 
THE APPLE TWIG-BEETLE. 
Stephanoderes hispidulus Lec. 
(Formerly Hypothenemus. ) 
Exuipir: Adult and work. 
PEAR-BLIGHT BEETLE; SHOT-BORER. 
Xyleborus pyri Peck. 
(Formerly considered X. dispar.) 
For general account see Hubbard, Bul. 7, n. s., Div. Ent., U. 8. Dept. Agric., pp. 
22-23, 1897. 
Exursit: Adult and work. 
THE COSMOPOLITAN AMBROSIA BEETLE. 
Xyleborus saxeseni Ratz. 
(Formerly X. xylographus. ) 
For general account see Hubbard, Bul. 7, n. s., Div. Ent., U. S. Dept: Agric., pp. 
24-26, 1897. 
Exuisir: Adult. 
FRUIT-TREE BARK BEETLE; THE SHOT-HOLE BORER. 
Scolytus rugulosus Ratz. 
For general account see Chittenden, Cir. 29, Div. Ent., U. 8. Dept. Agric., 1898. 
Exuipit: Adult and figure. 
THE BUFFALO TREE-HOPPER. 
Ceresa bubalus Fab. 
For general account see Marlatt, Cir. 23, Div. Ent., U. S. Dept. Agric., 1897. 
Exurisit: Adult, work, and figure. 
THE PERIODICAL CICADA. 
Tibicen septendecim Linn. 
For life history and general article see Marlatt, Bul. 14, n. s., Div. Ent., U.S. Dept. 
Agric., 1898. 
Exuipit: Pupa, pupa skins, and adult. 
THE SAN JOSE SCALE. 
Aspidiotus perniciosus Comst. 
(Food plants: Almond, apple, apricot, birch, black walnut, black currant, catalpa, 
chestnut, crab-apple, crab- -grass, cherry, grape, hickory, oak, peach, pear, persimmon, 
