INDEX TO MUSEUM BULLETIN 20 



39 



Elm-leaf beetle — continued 



injuries will probably be con- 

 tinuous, 6*. 

 insect enemies of, 208-21*. 

 larvae described, 8^-95. 

 life-history, 95. 

 natural enemies, 205-215. 

 necessity of knowing life -hi story, 



95. 

 notorious pests belonging to its 



family, 5^. 

 numbers on trunk, 15i. 

 oviposition of, 10^, 12*. 

 palliative measure, 26^. 

 probable limits of its spread, 75. 

 prolificacy, lO^-ll^. 

 pupate largely on ground, 14^. 

 ravages along tbe Hudson, 5^. 

 record of deposition of eggs, lO"*- 



113. 

 remedies, 216-251. 

 second brood, development of, 12^. 

 spreads very slowly, 138-142. 

 sulphur, plugging trees with, 275. 

 tender leaves preferred, 14'''. 

 useless measures, 27. 

 Elms, Tremex columba attacking, 18^. 

 injuries to, 52. 



not j)rotected by bands, 27^. 

 Saperda tridentata attaciiing, 19^- 



202. 

 species attacked by elm-leaf beetle, 

 155. 

 Emmons, E,, cited, 29'^. 

 Eiicyelopedie metbodique — Histoirs 



natnrelle insect, cited, 296. 

 English elm suffers severely, IS'', 16^. 

 English sparrow carrying Gossyparia, 

 186. 

 feeding on beetle larvae, 215. 

 Entouiologia systematica cited, 29*. 

 Entomological news cited, 32^, 325, 



343. 

 Entomological society of Ontario, Re- 

 port cited, 325. 

 Entomological society (Wash.), Pro- 

 ceedings cited, 30*, 323, 326^ 335. 



entomophilum, Sporotrichum, 206. 

 Enumeratio insectorum Austriae indi- 



genorum cited, 295. 

 Europe, beetle common over a large 



portion, 66. 

 JJuropean elms defoliated, 14^, 156. 

 Explanation of plates, 35^^. 



Fabricius, J. C, cited, 29*. 



Falconer, W., cited, 31^. 



Feeding habits of beetle, 136. 



Felt, E. P., cited, 346. 



Fernald, C. H., cited, 33*. 



Field and forest, 1S76, cited, 302. 



Fifth rep't on insects of New York 



cited, 298, 31i. 

 Figure of leaf eaten by beetle, 142. 



Gossyparia females, 172. 



male cocoons of Gossyparia, 182. 



pigeon Tremex, 192. 



elm-leaf beetle, PI. 1. 



elm-leaf eaten by larvae, 11*. 



Saperda tridentata, 203. 



spraying apparatus. Plates 4, 5. 



trees injured by beetle, Plates 

 2, 3. 

 Fi!;ch, A., cited, 208. 

 Fourth rep't on insects of New York 



cited, 309. 

 France, beetle injurious in southern 



portion, 6'^. 

 Fremd, CLiarles, reference, 165. 

 Fuller, A. S., cited, 306. 

 Fungus growing in honey dew, 168. 



Galeruca calmarieusis [Galerucella 

 liiteola], 29*, 30i. 



xanthomelaena [Galerucella luteo- 



. la], 295, 302, 313, 322^ 331, 342. 

 Galerucella luteola, see elm-leaf beetle. 



xanthomelaena [luteola], 31*. 

 Garden and forest, cited, 322, 338^ 339^ 



345. 

 Generations, number of, 131. 

 Germany, beetle injurious in southern 



portion, 6'. 

 globuliferum, Sporotrichum, 20'^, 

 Glover, T., cited, 30i. 



