16 
BULLETIN 116 
LITERATURE 
1854—Rathvon. Pennsylvania Farm Journal. Yol. IV, 256-258. Original description with 
figures. As COCCUS INNU MERABILIS. 
1859--Fitch. Transactions, N. Y. State Agricultural Society. Yol. XIX, 775-776. Redescribed 
as LECANIUM ACERICORTICIS. 
1869—Walsh and Riley. American Entomologist. Yol, I, 14. Redescribed as LECANIUM 
ACERICOLA with which it was confused. 
1876—Thomas. Prairie Farmer. July 22, 1876. 
1876—Putnam. Proceedings of the Davenport Acad, of Nat. Sci. Yol. I, 37. As LECANIUM 
ACERICOLA. 
1876— Clover. Report of the U. S. Commissioner of Agr., p. 44. As LECANIUM ACERICOR¬ 
TICIS. 
1877— Putnam. Transactions Iowa Horticultural Society. Vol. XII, 317-324. As LECANIUM 
ACERICOLA. 
1878— --Miss Smith. Seventh Report. Insects of Ill., pp. 120-131. Figures. 
1879— Putnam. Proceedings of the Davenport Acad. Nat. Sci., Yol. II, 293-347. Most thorough 
account of the life history, with two plates. Restores name of INNUMERABILIS and 
transfers species so the genus PULVINARIA. 
1882— Osborn. Transactions Iowa State Hort. Soc., Yol. XVII, 209-211. 
1883— Comstock. Second Report. Cornell Univ. Exp. Sta., p. 137. 
1834—Forbes. Fourteenth Report of the State Entomologist of Ill., pp. 103-109. Life History. 
Preliminary experiments with insecticides. 
1884— Riley. Report U. S. Commissioner of Agr., pp. 350-355. Synonomy. Life history. Food 
. plants. Mode of spreading. Enemies. 
1889— Lintner. Sixth Report N. Y. State Entomologist, pp. 141-147. Description. Life his¬ 
tory. Remedies. Bibliography. 
1890— Riley and Howard. Insect Life. Vol. Ill, 125. 
1890—Packard. Fifth Report U. S. Entom. Com. pp. 412-416. 
1893—Hopkins. W. Va. Agr. Exp. Sta., p. 229. 
1893—Piper. Washington (State) Exp. Sta. Bui. 7, pp. 123-125. Life history of the form OCCI- 
DENTALIS. 
1900—Howard. Div. Entom. U. S. Dep. Agr. Bui. 22 (n. s.) 8-16. Life history. Parasites. 
1905—H. E. Weed. Bureau of Entom. U. S. Dept. Agr. Bui. 52, pp. 88-91. Conditions in the 
Chicago Parks. 
1905—Johnson. Bureau of Entom. U. S. Dept. Agr. Bui. 52, pp. 85-86. Experiments with 
winter spraying. 
1905—Smith. N. J. Agr. Exp. Sta. Bui. 181, pp. 12-15. 
1905—Sanders. Bureau of Entom. U. S. Dept. Agr. Cir. 64. 
1905— Gossard. Florida Agr. Exp. Sta. Bui. 79, p. 313. On pecans. Life history notes. 
1906— Cotton. Ohio Dept. Agr. Orchard and Nursery Inspection Bui. 7, p. 34. Life history. 
Bibliography. 
