264 



IXDEX OF HOST TREES 



Pine, Jeffrey {continued) 



under bark of large trunk or branches — 

 bark beetles — 



"Dendroctonus jeffreyi, 140 



Dendroctonus valens, 142 



Hylastes macer, 155 



Hylurgops porosus, 154 



Hylurgops subcostulatus, 154 



*Ips coniusus, 146 



*Ips emarginatus, 148 



Ips latidens, 148 



■■'Ips oregoni, 150 



Orthotomica.s ornatus, 153 

 flatheaded borers — 



^Melanophila calif or nica, 170 



Melanophila gentilis, 170 

 roundheaded borers — 



Acanthocinus obliquus, 174 



.4ca?if/ioc;'/n<s spectabilis, 174 

 Pine, knobcone (Pi7ius attenuata) — 

 in cones or seeds — 

 cone borers — 



Chrysophana placida, 23 



Paratimia conicola, 23 

 cone moths — 



Dioryctria abietella, 22 



Dioryctria xanthoenobares, 20 



Eucosma bobana, 20 

 in smaller limbs, twigs, or tnink — 

 flatheaded borers — 



Anthaxia aeneogaster, 47 



Chrysophana placida, 47 

 twig beetles — 



Pityophthorus conjertus, 37 



Pityophthorus nitidulus, 37 



Pityophthorus tuberadatus, 37 



Pityojihthorus spp., 37 

 twig moths — 



Dioryctria abietella, 49 



Dioryctria xanthoenobares, 49 



Eucosma bobana, 20, 52 

 in wood — 



flatheaded borers — 



Buprestis aundenta, 188 



Buprestis nuttalli, 189 



Buprestis rusticorum, 189 



Dicerca sexualis, 190 

 roundheaded borers — 



Ergates spicidatus, 192 



Mo7iochamus macidosus, 193 



Monochamus obtusus, 194 

 on needles — 



leaf weevil, Scythropus jerrugineus, 125 

 scale, Xueidaspis calijornica, 63 

 spider mite, Phytoptus pini, 69 

 under bark of large trunk or branches — - 

 bark beetles — 



Dendroctonus valens, 142 



Hylurgops rugipennis, 154 



*Ips confusus, 146 



7ps radiatae, 151 

 bark weevil, Pissodes radiatae, 41 

 flatheaded borers — 



Melanophila calijornica, 170 



Melanophila consputa, 172 

 pitch moth, Yespamima sequoiae, 178 

 Pine, limber (Pinus flexilis) — 

 in cones or seeds — - 



cone beetle, Conophthorus flexilis, 19 

 cone moth, Dioryctria abietella, 22 

 in smaller limbs, twigs, or trunk — 

 aphids — 



Cinara spp., 57 

 scales 



Matsucoccus paucicicatrices, 64 



Pityococcus ferrisi, 66 

 twig beetles — 



Myeloborus sp., 37 



Pityophthorus aitididus, 37 



Pityoiflithorus spp.. 37. 73. 154 

 twig moth, Dioryctria abietella, 49 

 in wood — 



ambrosia beetles — 



Gnathotrichus aciculatus, 185 



Gnathotrichus denticulatus, 185 



Pine, limber (continued) 

 in wood — - (continued) 

 flatheaded borers — 



Chrysobothris breviloba, 191 



Dicerca tenebrosa, 190 

 under bark of large trunk or branches — 

 bark beetles — 



*Deyidrocto7ius monticolae (Pacific coast 

 and X. Rocky Mts.), 135 



^Dendroctonus ponderosae (Rocky Mts.} , 

 139 



Dendroctonus valens, 142 



Hylurgops porosus, 154 



Ips guildi, 149 



Ips integer, 150 



Pityogenes tossifrons, 153 



Pityogenes kneckteli, 153 



Polygraphus rufipennis, 166 

 bark weevil, Pissodes icebbi, 178 

 Pine, lodgepole (Pinus contorta latijolia) — 

 attacking needles — 



aphid, Essigella calijornica, 56 

 bud moths — 



Argyrotaeaia pinatabana, 106 



*Choristoneura jumijerana, 102 



Zelleria haimbachi, 112 

 caterpillars — 



Coloradia pandora, S3 



Xeophasia menapia, SO 

 leaf beetles — 



Dichelonyx crotchi, 125 



Scythropus elegans, 125 

 needle miners — 



*Reeurvaria milleri, 109 



Recurvaria moreonella, 110 

 sawflies — 



Xeodiprion americanus banksiannae, 120 



*Xeodiprion burkei, 118 

 scale, Phenacaspis pinijoliae, 63 

 in cones or seeds — 

 cone moths — 



Dioryctria abietella, 22 



Eucosma bobana, 20 



Eucosma recissoriana, 20 

 in smaller limbs, twigs, or trunk — - 

 aphids — 



Cinara spp.. 57 

 bark moth. Laspeyresia inopiosa, 53 

 chermes, Pineus coloradensis, 62 

 flatheaded borers — 



Anthaxia aeneogaster, 47 



Chrysophana placida, 47 

 pitch nodule moths — 



Petrova albicapitana, 52 



Petrova metallica, 52 

 roundheaded borer- — ■ 



Xeoclytus muricatidus. 47 

 spider mites, Paratetranychus spp., 68 

 tip moth, Rhyacionia montana, 52 

 twig beetles — 



Carphoborus spp., 37 



Myeloborus spp., 37 



Pityophthorus conjertus, 37 



Pityophthorus tuberculatus, 37 



Pityophthorus spp., 37, 73, 154 

 twig moths — 



Dioryctria abietella, 49 



Dioryctria zimmermani, 49 



Eucosma recissoriana, 52 

 twig weevils — 



Cylindrocopturus deleoni, 45 



Magdalis hispoides, 42 



Magdalis lecontei, 42 



Pissodes terminalis, 40 

 in wood — ■ 



ambrosia beetles — 



Gnathotrichus retusus, 185 



Trypodendron bivittatum, 186 



Trypodendroyi rufitarsis, 186 

 flatheaded borers — 



Buprestis adjecta, 189 



Buprestis aurulenta, 188 



Buprestis intricata, 189 



Buprestis nuttalli, 189 



Buprestis rusticorii77i, 189 



Buprestis subor7iata, 189 



