INDEX 



Albany, injury to elms by elm leaf 

 beetle, 4-5, 7, 16, pi. 3; Gossyparia 

 in, 17, 18; injuries by pigeon 

 Tremex, 20; cost of spraying at, 

 22-23; hand spraying outfit at 

 work in, pi. 6; power spraying 

 outfit at worls, pi. 5. 



American elm attacljed, 16, 17. 



amerieana, Ulmus, attaelied, 16, 17. 



Amherst, Mass. beetle in, 8; Gossy- 

 paria in, 17. 



anchorage, Stiretrus, 21. 



Aphis lions, 21. 



Arsenate of lead, 25. 



Arsenical poisons, 25. 



asparagi, Crioceris, 4. 



Asparagus beetle, 4. 



Attics, hibernation of beetles in, 10. 



Atwater, W. O., cited, 34. 



Austria, beetle injurious in, 6. 



Averill park, beetle in, 7. 



Ayer, Mass., beetle in, 8. 



Baltimore Md., beetle injurious at 

 in 1838, 6. 



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



Barnard, W. S., cited, 34. 



Basket industry injured by cotton- 

 wood leaf beetle, 4. 



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



Bibliography, 30-37. 



Birds carrying Gossyparia, 18-19. 



Blackening of trees by Gossyparia 

 and fungus, 17. 



Blake, H. T., cited, 37. 



Boiling water, 27. 



Boston, Grossyparia in, 17. 



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



Bruner, L., cited, 34. 



Burlington Vt, Gossyparia in, 17. 



Burrows of pigeon Tremex, 20. 



campestris, Ulmus attacked, 16. 

 Camptobrochis grandis, 21. 

 Oapitol, hibernation of beetles in, 

 10. 



Carman, E. S., cited, 34. 



Carolina, Stagniomantis, 21. 



Oarson City Nev., Gossyparia in, 17. 



Cayuga lake, in upper ausiral life 

 zone, 8. 



Charlotte N. C, beetle not known 

 farther south, 7. 



Chauliognathus marginatus, 21. 



Chinch bug, 21. 



Chittenden, P. H., cited, 34. 



Chrysomelidae, 4. 



Clarkson, F., cited, 33. 



Climate favorable to beetle, 8. 



Coleoptera, 4. 



Colorado potato beetle, 4. 



columba, Tremex, described, 19. 



Coniothecium saccharinum, 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. 



IJalmler gasolene motor, 34. 



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. 



