SCALE INSECTS OF IMPORTANCE 



329 



Gillette, C. P. A few insect enemies of the orchard. Col. agric. 

 expt. sta. Bui. 38. 1897. p. 36-37 (brief notice) ; Colorado's worst 



insect pests and their remedies. Bui. 47. 1898. p, 15 



(mention). 



Lowe, V. H. N. Y. agric. expt. sta. Bui. 136. 1897. p. 593 



(mention, food plants); 15th rep't, 1896. 1897. p. 533 (brief 



notice). 



Aldrich, J. M. Report of the dep't of ent. Id. agric. expt. sta. 

 Bui. 15. 1898. p. 175-76 (brief notice). 



Forbes, S. A. Noxious and beneficialinsects of Illinois. 20th rep't 

 of state ent. 1895-96. 1898. p. 15, 16, 17 (economic importance, 

 characteristics). 



Cooley, R. A. Notes on some Massachusetts Coccidae. U. S. dep't 

 agric. div. ent. Bui. 17, n. s. 1898. p. 64 (common in Massachusetts). 



Felt, E. P. Injurious and other insects of the state of New York. 

 14th rep't. N. Y. state mus. Bui. 23. 1898. v. 5. p. 261 (localities 



and food plants noted during the year) ; 15th rep't, 1899. 



Bui. 31. 1900. V. 6. p. 579 (mention), p. 617 (locahties and 



food plants noted during the year) ; Illustrated descriptive catalogue of 

 some of the more important injurious and beneficial insects of New York 

 state. Bui. 37. 1900. v. 8. p. 13 (characteristics, remedies). 



Pettit, R. H. Mich, agric. expt. sta. Bui. 160. 1898. p. 414 

 (brief notice). 



Hunter, S. J. Coccidae of Kansas. Kan. univ. quarterly. Jan. 

 1899. 8: 4 (critical notes, food plants). 



King", G. B. Contributions to the knowledge of Massachusetts Cocci- 

 dae. Can. ent. 1899. 31 : 226 (distribution in state, food plants). 



Marlatt, C. L. Aspidiotus co n vex us, Comst. A correction. 

 Can. ent. 1899. 31 : 209-11 (A. convexus, a synonym in part). 



Newell, Wilmon. On the North American species of the sub- 

 genera. Diaspidiotus and Hemiberlesia, of the genus A s- 

 pidiotus. la. state coll. of agric. and mechanic arts. Contributions 

 from the dep't of zoology and entomology, 1899. no. 3, p. 7-10 

 (description of species and varieties) ; some injurious scale insects. la. 

 agric. coll. expt. sta. Bui. 43. 1899. p. 160-62 (brief technical 

 account). 



Parrott, P. J. Some scales of the orchard. Kan. hortic. see. 

 Trans. 1898. 1899. p. 108 (brief notice). 



