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 lice, 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, Bui. 20. '98. p. 10-18; 



Fisheries, game and forest com. 5th rep't, '99. p. 375-79. 



259 Elm leaf beetle, Galerucella luteola Mull. 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; 11th 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, '96. p. 253-64; Felt, E. P. N. Y. state mus. 

 Bui. 20. '98. p. 1-43; state ent. 14th rep't, '98. 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. 



262 White marked tussock moth, Notolophus le u cos- 

 tig m a 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. 124-26; Howard, L. 0. U. S. 



dep't. agric. Yearbook. '95. p. 368-75; Felt, E. P., state ent. 14th 



rep't, '98. p. 163-76; Fisheries, game and forest com. 4th 



rep't, sep. '98. p. 4-10. 



263 P i m|p la conquisitor Say. A parasite of 262. 



264 T a china mella Walk. A parasite of 262. 



