INDEX. 105 



Cyllene robiniu- 1_16^ 31^0 



adulU*. activity 32 



habits 33-34 



attack, evidence 34 



character of insect 2-3 



work 2-3 



collecting beetles from golden-rod flowers 13 



control methods 36-40 



suggestions 11-13 



damage, extent 3 



to cut wood, prevention 12, 38 



danger of introduction into new localities 12, 38 



destructive character of work 34 



work, conditions favorable and unfavorable 35 



distribution 6 



economic features 34-35 



inii)ortance 1 



elaterid enemy 8 



fungous disease 8, 36 



hibernation 31 



historical references 3-7 



injuries to wood of living locust trees 61 



insect enemies 35 



introduction into new localities, danger therefrom 12,38 



investigations by West Virginia Agricultural Experiment Sta- 

 tion and U.S. Department of Agriculture 1-2 



larvae, habits 33-34 



overwintered, activity 31-32 



young, killed by sap flow 36 



losses, extent 3 



prevention, possibilities 3 



suggestions 11-13 



natural enemies 35-36 



object of paper 1 



observations by A. D. Hopkins, ]89()-1905 7-9 



1906 9-11 



mcmljcrs of Forest Service 9 



j)ara.site 8 



publications relating thereto, list 15-16 



I)ublishod data, review 4-6 



revL'^ion 6-7 



seasonal hi.'^tiiry 31-32 



variation between different latitudes and alti- 

 tudes 32 



Cypres-*, injurii-s tn wood of dying and dead trees by piiili<ple Imrers or anihro-ia 



hpetles ,i3_(i4 



Decay following injury by forest insects 69 



Dendroctonus hrevicomis 1 7-30 



bird enemies 27 



(■auses death of sugar pine, silver pine, western yellow 



pine, and lodgepole pine 59 



character of in.-^ect . 18-19 



work 18-19 



61830°— Bull. 58—10 8 



