864 NEW YORK STATE MUSEUM 
Chief accessible articles: Lintner, J. A., state ent. 4th rep’t, 
88. p. 35-41; Felt, E. P. Fisheries, game and forest com. 4th 
rep’t, sep. 98. p. 25-26. | 
258 Elm bark louse, Gossyparia ulmi Geoff. Chief 
food plants: European elms. 
Treatment: Brush or wash off the bark Tee. spray in July or 
early spring with kerosene emulsion or whale oil soap. 
Chief accessible articles: Lintner, J. A., state ent. 12th rep’t, 
96. p. 292-98; Felt, E. P. N. Y. state mus. Bul. 20. ’98. p. 10-18; 
—— Fisheries, game and forest com. 5th rep’t, 99. v 305-79. 
259 Elm leaf beetle, Galerucella luteola Mill. Prin- 
cipal food plants: European elms. 
Treatment: Spray infested trees with arsenical poisons. 
Chief accessible articles: Lintner, J. A., state ent. 5th rep’t, 
°89. p. 234-42; 1ith rep’t, 95. p. 189-96; Howard, 
L. 0. U.S. dep’t agric. Yearbook. ’95. p. 363-68; Lintner, J. A. 
State ent. 12th rep’t, 796. p. 253-64; Felt, EB. PF. N2 Yovstae murs: 
Bul. 20. 798. p. 1-438; state ent. 14th rep’t, 798. p. 232-35; 
—— N. Y. state agric. soc. Trans. ’99, 59: 279; —— Fisheries, 
game and forest com. 5th rep’t, 99. p. 354-59. 
260 Spined soldier bug, Podisus spinosus Dall. An 
enemy of 259. 
261 Fungus disease, Sporotrichum entomophilum 
Peck. An enemy of 259. . 3 
262 White marked tussock moth, Notolo phus leucos- 
tigma Abb. & Sm. _ Principal food plants: horsechestnut, 
linden, maple and elm trees. | 
Treatment: Collect and destroy egg masses, spray infested , 
trees with arsenical poisons. 
Chief accessible articles: Lintner, J. A., state ent. 2d rep’t, 
85. p. 68-89; —— 11th rep’t, ’95. p.12426; Howard, L.O. U.S 
dep’t. agric. Yearbook. ’95. p. 368-75; Felt, E. P., state ent. 14th 
rep’t, 798. p. 163-76; —— Fisheries, game and forest com. Ath 
rep’t, sep. 798. p. 4-10. 
263 Pimjpla conquisitor Say. A parasite of 262. 
264 Tachina mella Walk. A parasite of 262. 
