112 SOME INSECTS INJURIOUS TO FORESTS. 



Pine, lodgepole, killed by Dendroctonus brevicomis 59 



monticolse 59 



longleaf, injurious to wood of dying and dead trees by "sawyers " 63 



sawyer, southern. (See Monohammus titillator.) 



shortleaf, injuries to wood of dying and dead trees by "sawyers " 63 



silver, injuries to wood of dying and dead trees by "sawyers " 63 



killed by Dendroctonus brevicomis 59 



monticolse 59 



sugar, host tree of Dendroctonus brevicomis 20 



injuries to wood of dying and dead trees by "sawyers " 63 



killed by Dendroctonus brevicomis 59 



monticolse 59 



trees, hosts of Monohammus titillator 43 



weevil, white. (See Pissodes strobi.) 



western yellow, host tree of Dendroctonus brevicomis 20 



killed by Dendroctonus brevicomis 59 



monticolse 59 



ponderossc 59 



white, injuries to wood of dying and dead trees by "sawyers " 63 



living trees by Pissodes strobi 62 



yellow, injuries to wood of dying and dead trees by "sawyers " 63 



Pines, injuries to wood of living trees by turpentine beetles (Dendroctonus 



valens and D. terebrans) 61-62 



Pines, injuries to wood of living trees by turpentine borer (Buprcstis apricans).. 61-62 



Pinhole borers, injuries to wood of dying and dead cypress 63-64 



damage to stave and shingle bolt>, prevention 80-81 



Pinus echinata, host tree of Monohammus titillator 42 



mitis—Pinus echinata 42 



ponderosa. (See Pine, western yellow. I 



Pissodes strobi, injuries to wood of living white pine 62 



Plaster against locust borer 5 



Poisoned bait against locust borer 7-8, 13, 38 



Poles, injuries by insects, prevention 79-80, 83, 84 



unseasoned, injuries by insects 66 



utilized, injuries by insects 67 



with bark on, injuries by insects 64-65 



Poplar, manufactured unseasoned, injury by Pterocyclon mali 65 



yellow, injuries to wood of living trees by Corthylus columbianus 61 



Posts, injuries by insects, prevention 79-80, 83, 84 



unseasoned, injuries by insects 66 



utilized, injuries by insects 67 



with bark on, injuries by insects 64-65 



Powder-post beetles, injuries to dry hardwood lumber and manufactured prod- 

 ucts, prevention 81-82 



finished forest products 66 



seasoned forest products in yards and store- 

 houses 66 



utilized forest products 66-67 



injury, past and present conditions 82-83 



Prevention of insect injuries to dying and dead trees 78-79 



forest products 79-84 



na'tural and artificial reproduction of trees 79 



Prionoxystus, injuries to wood of living oak trees 61 



