12 
THE CHAFF SCALE. 
Parlatoria pergandei Comst. 
(Food plants: Japonica, lemon, orange. ) . 
For bibliography and food plants see Fernald, Cat. Coccide of World, Bul. 88, 
Mass. Agr. Coll., pp. 319-320, 1903; Marlatt, Yearbook, U.S. Dept. Agric., 1900, 
p-. 270, 1901. 
Exuisit: Infested twigs. 
THE SAN JOSE SCALE. 
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, 
persunmon, plum, poplar, prune; Rocky Mountain cherry, rose, silver maple, willow, 
and many other plants.) 
For bibliography and food plants see Fernald, Cat. Coccidee of World, Bul. 88, 
Mass. Agr. Coll., pp. 271-275, 1903; Howard and Marlatt, Bul. 3, n. s., Div. Ent. 
U.S. Dept. Agric., 1896, 80 pp. 
Exurisir: Infested twi ‘ig, fruit, figures, and enemies: Pentilia misella Lec.; adult and 
figure; Chilocorus similis Rossi, larva, pupa, adult, and figure; parasite, Aphelinus 
diaspidis How., adult and figure. | 
INSECTS INJURIOUS TO APPLE. 
For special treatises on apple insects see Bruner, Trans. Nebr. St. Hort. Soe. f. 
1894, pp. 155-223, 1895;. Harvey and Munson, Bul. 56, Maine Agr. Expt. Sta., 1899; 
Saunders, Insects Injurious to Fruits, 2d ed., pp. 13- 139, 1900. 
INJURING THE ROOTS. 
THE WOOLLY APPLE APHIS. 
Schizoneura lanigera Hausm. 
For general account see Marlatt, Cir. 20, Div. Ent., U. 8. Dept. Agric., 1897. 
Exuisit: Work, figure, parasite, Aphelinus mali Hal., and enemy, Seymnus cervi- 
calis Muls. : re 
INJURING THE TRUNK 
FLAT-HEADED APPLE-TREE BORER. 
Chrysobothris femorata Fab. 
For general account see Chittenden, Cir. 32, Diy. Ent., U.S. Dept. Agric., pp. 
9-12, 1898. ee 
Exuisit: Adult, work, and figure. 
ROUND-HEADED APPLE-TREE BORER. 
Saperda candida Fab. | 
For general account see Chittenden, Cir. 32, Div. Ent., U.S: Dept. Agric., pp. 1-8, 
1898. 
Exuisit: Adult, work, and figure. 
APPLE-WOOD STAINER; PIN-BORER. 
Pterocyclon mali Fitch. 
(Formerly Monarthrum. ) : leas 
For general account of this and an allied species, WM. fasciatwm Say, see Hubbard, 
Bul. 7, n. s., Div. Ent., U. S. Dept.. Agric., pp. 26-28, 1897. 
Exuisit: Adult and figure. 
