THE GRAPE SCALE. 123 



1896. Cockerell, T. D. A.— Check list of Coccidse. <Bul. 111. St. Lab. Nat. Hist., 

 vol. 4, p. 332. 



Merely gives list of scale insects. No descriptions. 



1896. Cockerell, T. D. A. — Nearctic Coccidae. <Can. Ent., vol. 26, no. 2, p. 32. 



List of Nearctic scale insects. 



1896. Johnson, W. G. — Notes on new and old scale insects. <Bul. 6, Div. Ent., 



IT. S. Dept. Agr., p. 76. 



Aspidiotus comstocki Johnson, closely related to Aspidiotus uvx Comst. 



1897. Cockerell, T. D. A. — Annotated list of the species of Aspidiotus. <Bul. 6, 

 n. s., Bur. Ent., U. S. Dept. Agr., p. 22. 



Very brief description, giving host plants and distribution. 



L898. Hunter, S. J. — Coccidse of Kansas. <Contr. Kans. Ent. Lab., no. 64, p. 4. 

 Food plants and bibliography. 



L898. Chambliss, C. E. — Scale insects, San Jose and other species. <Bul. 4, Tenn. 

 Exp. Sta., p. 149, pi., fig. 1. 



Treats of A . perniciosus, A . uvx, Diaspis rosx, Pulvinaria innumerabilis , Lccanium nigrofascia- 

 tum, Chionaspis furfurus, and other scale insects. 



Leonardi, L. — Monografia del genere Aspidiotus Bouche. <Riv. Pat. Veg., 

 vol. 6, p. 218. 



Short scientific description of the female insect, giving habitat, host plants, and figure of 

 pygidium. 



1898. Parrott, P. J. — Some scales of the orchard. <Trans. Kans. St. Hort. Soc, 



vol. 23, p. 108. 



Notes on various species of scale insects. 



1899. Newell, W. — On the North American species of the subgenera Diaepidiotus 



and Hemiberlesia, of the Genus Aspidiotus. <Contr. Dept. Zool. & Ent. 

 Iowa State Agr. College, No. Ill, p. 12. 

 Brief description, distribution, and host plants. 



1900. Scott, W. M.— Notes on Coccidse of Georgia. <Bul. 26, n. s., Div. Ent., 



U. S. Dept. Agr., p. 50. 

 Short note, giving occurrence on sycamore in Georgia. 



1901. Felt, E. P. — Grapevine Aspidiotus. <Country Gentleman, April 4, pp. 



278-279. 

 Popular account of the insect. 



1901. Forbes, S. A. — Principal nursery pests likely to be distributed in trade 



<Cir. 36, 111. Agr. Exp. Sta., p. 24. 

 Note, giving occurrence, remedies, etc. Figure. 



1902. Banks, N . — Principal insects liab e to be distributed on nursery stock. <Bul. 



34, n. s., Div. Ent., U. S. Dept. Agr., p. 20. 

 Brief account of several species of scale insects. 



Murtpeldt, Miss M. E— Recent experiments with destructive insects. 

 <45th Kept. Mo. St. Hort. Soc, pp. 253-258. 



Mentions "Comstock's grape scale"— probably this species. 



1903. Fernald, Mrs. M. E— Catalogue of the Coccidse of the world. <Bul. 88, 



Mass. Agr. College, p. 280. 

 Host plants and distribution. 



1903. Forbes, S. A. — Classification and description of the insects and fungus pests 



of the nursery most important to the nursery trade. <22d Rept. State 



Ent. 111., p. 120. 



Brief note of its occurrence, suggesting the use of whale-oil soap and kerosene emulsion as 

 remedies. Figure. 



1904. Sanders, J. G— Coccidse of Ohio. <Ohio State Univ., Contr. Dept. Zool. 



& Ent., no. 18, pp. 68-69. 



Brief description, host plants, and distribution. 



