232 NEW YORK STATE MUSEUM 



and Insect Life, m\\, p. 167); the varieties of plums and pears more 

 liable to its attack {Bull. 106 — ante, p. 16); and its natural enemies (?V/., 

 p. 16). 



Comstock: in Rept. Commis. Agr. for 1880, pp. 304-5, pi. 12, f. 7 

 (original description). 



Cooke: Treat. Ins. Inj. Fruit and Fruit-trees, 1881, pp. 33-4 (descrip- 

 tion, etc.); in Rept. Commis. Agr. for 1882, pp. 65, 208 (coal- 

 oil and lye remedies); Ins. Inj. Orcb.-Vine., 1883, pp. 60-63, 

 figs. 15-21. 



Chapin: in Rept. Commis. Agr. for 1882, pp. 207-8 (concentrated lye 

 remedy); in Rept. St. Commis. Fruit Pests, in Rept. Cal. St. 

 Bd. Horticul. for 1884, pp. 34, 35, 42. 



Klee : in Rept. Cal. St. Bd. Horticul. for 1885-86, 1887, pp. 373-375, 

 pi. I (habits and remedies). 



Riley-Howard: in Insect Life, iii, 1891, p. 63 (in Walla Walla, Wash- 

 ington), p. 487 {Apheli7ius parasite) ; ni id., iv, 1892, p. 83 

 (resin wash); in id., v, 1893, p. 53 (killed by Chilocorus),-^. 128 

 (killed by Scymnus), p. 214 (recorded in Australia), p. 280 

 (California remedy); in id., vi, 1894, p. 286 (in the East), pp. 

 360-369, figs. 26-29 (general account). 



Gregorson : in Insect Life, iii, 1891, p. 169 (in California). 



Coquillett: in Bull. 23 U. S. Dept. Agr. — Div. Ent., 1891, pp. 26, 27, 

 28 (gas and resin wash treatment); in Bull. 26 id., 1892, pp. 

 21-25 (food-plants, parasites, remedies); in Insect Life, v, p. 

 251 (imported parasites); in id., vi, 1894, pp. 324-326 (opera- 

 tions in Virginia). 



Craw: in Rept. Cal. St. Bd. Horticul. for 1891, 1892, p. 285 (remedies 

 and parasites). Le Long: in id., pp. 196, 198, 199 (remedies). 



Olliff: in New So. Wales Agr. Gaz. for Sept., 1892, pp. 698, 699 (on 

 pear in N. S. W.). 



Townsend: in Bull. 7 New Mex. Agr. Exp. St., June, 1892, pp. 6, 7 (in 

 Las Cruces). 



Riley: in Rept. Sect. Agr. for 1891, 1892, p. 244 (washes used in Cali- 

 fornia); in id. for 1893, 1894, pp. 215-221, pi. i, i. i (general 

 account); in Proc. Amer. Assoc. Adv. Sci., xlii, 1893, p. 229 

 (discovered in Virginia). 



Howard: Circular No. 3, 2d Ser. U. S. Dept. Agr. — Div. Ent., April, 

 1893, 10 pp. 5 figs, (its Eastern appearance and remedies); in 

 Insect Life, vii, 1894, pp. 153-163 (Ea.stern occurrence); in 

 Canad. Entomol., xxvi, 1894, p. 355 (its distribution) ; in Insect 

 Life, vii, 1895, pp. 283-295 (life-history, spread, parasites, 

 remedies). 



Cockekell: in Canad. Entomol., xxvi, Feb. 1894, p. 32 (No. 73 in list 

 of Nearctic Coccidje). 



Smith: in Entomolog. News, v, 1894, pp. 182-184 (Eastern occurrence), 

 p. 312 (discovered on Long Island); in Insect Life, vii, 1894, 

 pp. 163-167 (m New Jersey); in Gard.- Forest, vii, 1894, p. 344 

 (danger from infested California fruit); Bui'. 106 N. J. Agr. 

 Coll. Exp. St., Nov. 22, 1894, 1895, 24 pp. 5 figs, (in New 

 Jersey, and general account); in Entomolog. News, vi, 1895,, 

 PP- 153-157 (operations against, in New Jersey nurseries). 



