INDEX TO MUSEUM BULLETIN 20 



39 



Elm-leaf beetle — continued 



injuries will probably be con- 



linuous, 6*. 

 insect enemies of, 20^-21^. 

 larvae described, 89-9^, 

 life-history, 9-5. 

 natural enemies, 20^-215. 

 necessity of knowing life-history, 



95. 

 notorious pests belonging to its 



tamily, 5^. 

 numbers on trunk, 15i. 

 oviposit] on of, IQi, 12*. 

 [)alliative measure, 26i. 

 probable limits of its spread, 7^. 

 prolificacy, lO^-ll^. 

 pupate largely on ground, 14^. 

 ravages along the Hudson, S^. 

 record of deposition of eggs, 10*- 



113. 

 remedies, 216-251. 

 second brood, development of, 126, 

 s{)reads very slowly, 13^-142. 

 sulphur, plugging trees with, 27^. 

 tender leaves preferred, 14''^. 

 useless measures, 27. 

 Elms, Tremex columba attacking, 18^. 

 injuries to, 5^. 



not protected by bands, 27^. 

 Saperda tridentata attacking, 199- 



202. 

 species attacked by elm-leaf beetle, 

 155. 

 Emmons, E,, cited, 29"^. 

 Eiicyelopedie methodique — Histoire 



naturelle insect, cited, 29^. 

 English elm suffers severely, 15"^, 16^. 

 English sparrow carrying Gossyparia, 

 186. 

 feeding on beetle larvae, 21^. 

 Entomologia systematica cited, 29*. 

 Entomological news cited, 323, 325^ 



343. 

 Entomological society of Ontario, Ee- 



port cited, 325. 

 Entomological society (Wash.), Pro- 

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



entomophilumj Sporotrichum, 206. 

 Enumeratio insectorum Austriae indi- 



geuorum cited, 295. 

 Europe, beetle common over a large 



portion, 66. 

 European elms defoliated, 14i, 156. 

 Explanation of plates, 351. 



Fabricius, J. C, cited, 29*. 



Falconer, W., cited, 319. 



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, 311. 

 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*. 



Sa*perda tridentata, 203. 



spraying apparatus. Plates 4, 5. 



trees injured by beetle, Plates 

 2, 3. 

 Fitch, A., cited, 298. 

 Fourth rep't on insects of New York 



cited, 309. 

 France, beetle injurious in southern 



portion, 6'^. 

 Fremd, Charles, reference, 165. 

 Fuller, A. S., cited, 306. 

 Fungus growing in honey dew, 16^. 



Galeruca calmariensis [Galerucella 

 Inteola], 29*, 30i. 

 xanthomelaena [Galerucella luteo- 

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

 Galerucella luieola, seeeim-leaf beetle. 



xanthomelaena [luteola], 31*. 

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



345. 

 Generations, number of, 13i. 

 Germany, beetle injurious in southern 



portion, 6". 

 globuliferum, Sporotrichum, 20"^. 

 Glover, T., cited, 30i. 



