94 NEW YORK STATE MUSEUM 



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twenty years, 186. Losses resulting from it, 186. Number of broods, 



186. The hibernating beetles, 186. Greater injuries of the second brood, 



187. The eggs, 187. The larvae locally known as ''hangers" — the 

 beetles as "hard-shells," 187. Early retreat to hibernating quarters, 

 187. Where the eggs are deposited, 187. Clusters collected and de- 

 stroyed, 187. Abundance of the beetles, 188. EflScacy of hand-picking 

 the beetles, 188. Spraying with Paris green, 188. A bug-catching 

 machine devised, 188. Description of the "bug-catcher," 188. Opera- 

 tion of the machine, 189. Reference to plates illustrating the 

 machine, 189. 



Gaxerucella luteola, the Elm-leaf Beetle in Albany 189 



Northward progress of the insect in the Hudson river valley, 189. 

 Its adveut in Albany, 190. Abundance in the summer of 1895, 190. 

 Transformations of the first brood, 190. A second brood observed, 191. 

 Not expected so far north, 191. More destructive than the first brood, 

 191. Detailed operations of the second brood, 191. Its great abund- 

 ance, 191. Descent of the larvae from the trees, 191. Pupation on the 

 surface beneath, 192. Latest dates of observation of the insect, 192. 

 Do many larvae drop from the branches ? 192. No indications of their 

 dropping observed, 192. Preference of the insect for different species 

 of elms, 193. The American elm almost free from attack, 193. Marked 

 preference for the English elm, 193. The Scotch elm rarely if ever 

 killed, 193. Slow spread of the insect, 194. Not known north of Albany, 

 195. Only a small portion of Albany infested in four years, 195. Paris 

 green spraying the most effective remedy, 195. Effective spraying not 

 generally practicable by lessees or owners of city residences, 195. De- 

 struction of the larrte and pupae recommended and urged, 196. Direc- 

 tions for the work, 196, A comparatively easy task, 196. Estimate that 

 nine-tenths of the descending larvae may be killed, 196. 



Galerucella cavicollis, a Cherry -leaf Beetle 197 



The beetles debtructive to the foliage of a cherry tree at Ausable 

 Forks, N. Y., 197. Abundant in Canada, 197. Observed in Michigan, 

 197. Distribution in the United States, 197. Erroneously reported as 

 G. sanguinea, 197. An allied southern form, 197. G. cavicollis probably 

 single brooded, 197. Not previously known on the garden cherry, 198. 

 Feeds also on chestnut, 198. G. decora, a willow feeding species, 

 common in Keene Valley, 198. The larvae destructive to willows in 

 Washington, l98. 



Blissus leucopterus, the Chinch-Bug 198 



Seldom injurious in New York, 198. Its destructiveuess in St. Law- 

 rence county, 19."'. Recent operations in Allegany county, 198. Former 



