HO SOME INSECTS INJURIOUS TO FORESTS. 



Page. 

 Insects injurious to forests and forest products, prevention of losses, summary.. 93-95 



publications relating 



thereto 96-100 



reduction in cash revenue there- 

 by 71 



Nation's wealth 



thereby 71 



which cause defects in living timber, control 78 



Ips, enemy of Cyllene robinix 35 



Kerosene against powder-post beetles 82, 83, 84 



termites 84 



locust borer 37-38 



Lamia carolinensis, bibliographic reference 56 



= Monohammus titillator 42 



dentator, bibliographic reference 56 



= Monohammus titillator 42 



titillator, bibliographic references 56 



= Monohammus titillator 42 



Larch, killed by Nematus erichsoni 60 



worm. (See Nematus erichsoni.) 



Lightning-struck trees, menace to healthy forest 30 



Linseed oil against powder-post beetles 82, 83 



Locust, black or yellow, destruction of trees and wood infested by locust 



borer 11-12, 37 



host tree of Cyllene robinix 1-16, 31-40 



injuries to wood of living trees by Cyllene robinix 6 1 



plantations, extensive, preliminary requisites to 

 avoid damage by locust 



borer 12-13, 38-39 



proper locations to avoid 



damage by locust borer. . 12,38-39 

 subsequent management to 

 avoid damage by locust 



borer 13,39 



propagating borer-resistant trees 13-14, 39-40 



spraying trunks and branches to kill young larvae of 



locust borer 37-38 



time to cut, to destroy young larvae of locust borer 36-37 



borer. (See Cyllene robinix.) 



Log cabins, injuries by bark and wood boring insects, prevention 84 



Lymexylon sericeum, injuries to wood of living chestnut and oak trees 60-61 



Machinery, finished woodwork, injuries by powder-post beetles 66 



prevention 82 



Mahogany lumber, injuries by Pterocyclon mali 65 



Mine props, injuries by insects, prevention 83-84 



unseasoned, injuries by insects 66 



utilized, injuries by insects 67 



with bark on, injuries by insects 64-65 



Monohammus dentator, bibliographic reference 56 



= Monohammus titillator 42 



minor, bibliographic reference 56 



= Monohammus titillator 42 



