INDEX 



Albany, injury to elms by elm leaf 

 beetle, 4-5, 7. 16, i)l. ?>; (Jossyparia 

 in, 17, IS; injuries by pigeon 

 Tremex, 20; cost of spraying at, 

 22-23; baud spraying outfit at 

 Avorli iu, pi. 6; power spraying 

 outfit at worli:, pi. 5. 



American elm attacked, IG, 17. 



americaua, Ulmus, attacked, 16, 17. 



Amhersit, Mass. beetle in, S; CJossy- 

 paria in, 17. 



aucliorago, Stiretrus, 21. 



Aphis lions, 21. 



Arsenate of lead, 25. 



Arsenical poisons, 25. 



asparagi, Crioceris, 4. 



Asparagus beetle, 4. 



Attics, bibernation of beetles iu, 10. 



Atwater, W. O., cited, 34. 



Austria, beetle injurious in, G. 



Averlll park, beetle iu, 7. 



Ayer, Mass., beetle in, 8. 



Baltimore Md., beetle injurious at 



iu 1S38, 6. 

 Bands, of cotton, 28; of tar, 28. 

 Barnard, W. S., cited, 34. 

 Basket industry injured by coltou- 



Avood leaf beetle, 4. 

 Beckwith, M. H., cited, 7, 34. 

 Bibliography, 30-37. 

 Birds cari'yiug Gossyparia, 18-19. 

 Blackening of trees bj' Gossyparia 



and fungus, 17. 

 Blake, H. T., cited, 37. 

 I^oiliug watei", 27. 

 Boston, Gossyparia iu, 17. 

 Britton, W. E., cited, 35, 37. 

 Bruner, L., cited, 34. 

 Burlington Vt., Gossyparia iu, 17. 

 Burrows of pigeon Tremex, 20. 



campestris, TUmus attacked, 16. 

 Camptobrochis graudis, 21. 

 Capitol, hibernation of beetles iu, 

 10. 



Carman, E. S., cited, 34. 



Carolina, Stagnioniautis, 21. 



Carson City Ney., Gossyparia in, 17. 



Cayuga lake, in upper austral life 

 zone, 8. 



Charlotte N. C, beetle not known 

 farther south, 7. 



Chauliognathus marginatus, 21. 



Chinch bug, 21. 



Chittenden, F. IT., cited, 34. 



Chrysomelidae, 4. 



Clarkson, F., cited, 33. 

 • Climate favorable to beetle, 8. 



Coleoptera, 4. 



Colorado potato beetle, 4. 



columba, Tremex, described, 19. 



Coniothecium sacchariuum, a fun- 

 gus, 17. 



Connecticut, beetle in, 8. 



Continued breeding of beetle, 14. 



Cook, A. J., cited, 33. 



Cooley, R. A., cited, 35. 



Cost of spraying elms, 22-23. 



Cottonwood leaf beetle, 4. 



Crioceris asparagi, 4. 



Cucumber beetle, striped, 4, 8. 



Cyrtoneura stabulans, 21. 



Daimler gasolene motor, 24. 



Date of beetle's occurrence along 



the Hudson, 7. 

 decem lineata, Doryphora, 4. 

 Descent of larvae, 15. 

 Destruction of larvae and pupae at 



base of trees, 27. 

 Diabrotica, 12 punctata, 4. 



vittata, 4, 8, 

 diabrotica, 12-spotted, 4. 

 Dimmock, .G., cited, 33. 

 doryphora, 10 lineata. 4. 

 duodecim-punctata, Diabrotica, 4. 

 Dyar, H. G., cited. 34. 



Egg stage of elm leaf beetle, dura- 

 tion of, 10. 



