266 



INDEX OP HOST TREES 



Pine, pinon (continued) 



in cones or seeds — (continued) 

 cone moths — 



Dioryctria abietella, 22 



Eucosma bobana, 20 

 in smaller limbs, twigs, or trunk— 

 aphids — 



Cinara spp., 57 

 chermes, Pineus coloradensis, 62 

 pitch midge, Retinodiplosis sp., 70 

 roundheaded borer, Oeme costata, 47 

 scales — 



Desmococcus sedentarius, 66 



Matsucoccus edulis, 64 



Pityococcus ferrisi, 66 



Pityococcus rugulosus, 66 

 tip moth, Rhyacionia neomexicana, 50 

 twig beetles — 



Pityophthorus confertus, 37 



Pityophthorus tuberculatus, 37 



Pityophthorus spp., 37 

 twig moth, Dioryctria abietella, 49 

 in wood — ■ 



ambrosia beetles — 



Gnathotrichus doiticulatus, 185 

 flatheaded borers — 



Buprestis aurulenta, 188 



Chrysobothris breviloba, 191 

 roundheaded borers — 



Callidium antennatum hesperum, 195 



Monochamus sp., 193 

 under bark of large trunk or branches — 

 bark beetles — 



■'Dendroctonus ponderosae, 139 



Dendroctonus valens, 142 



Hylastes gracilis, 154 



■pps lecontei, 147 

 flatheaded borer, ■■'Melanophila pini-edulis, 



172 

 roundheaded borer, Acanthocinus ?,pec- 



tabilis, 174 

 Pine, ponderosa (Pinus ponderosa) — 

 attacking needles — 



aphid, Essigella calif ornica, 56 

 scales — 



Matsucoccus fasciculensis, 64 



Matsucoccus secretus, 64 



Nuculaspis californica, 63 



Phenacaspis pinifoliae, 63 

 in cones or seeds — 



cone beetle, Conophthorus ponderosae, 19 

 cone moths — 



Dioryctria abietella, 22 



Dioryctria xanthoenobares, 20 



Eucosma bobana, 20 



Laspeyresia piperana, 20 

 seed chalcid, Megastigmus albifrons, 26 

 in smaller limbs, twigs, or trunk — 

 aphid, Cinara sp., 57 

 chermes, Pineus coloradensis, 62 

 flatheaded borers — 



Anthaxia aeneogaster, 47 



Chrysophana placida, 47 

 pitch midge, Retinodiplosis sp., 70 



pitch nodule moth, Petrova metallica, 52 

 roundheaded borer, Phymatodes hirtellus, 



48 

 scales — 



'■' Matsucoccus bisetosus, 64 



Matsucoccus californicus, 64 

 tip moth, Petrova zozana, 52 

 twig beetles — ■ 



Carphoborus spp., 37 



Myeloborus spp., 37 



Pityophthorus confertus, 37 



Pityophthorus confinis, 37 



Pityophthorus tuberculatus, 37 



Pityophthorus spp., 37 

 twig moths — 



Dioryctria abietella, 49 



Dioryctria xanthoenobares, 49 



Dioryctria zimmermani, 49 



Eucosma bobana, 52 



Eucosma sonomana, 52 

 twig weevils — 



*Cylindrocopturus eatoni, 44 



Pine, ponderosa (continued) 



in smaller limbs, twigs, etc. (conti)iued) 

 twig weevils — (continued) 



Magdalis cuneiformis, 42 



Magdalis gentilis, 42 



Magdalis lecontei, 42 



Pissodes yosemite, 41 

 in wood — 



ambrosia beetles — - 



Gnathotrichus retusus, 185 



Gnathotrichus sulcatus, 185 



Trypodendron ponderosae, 186 



Xyleborus scopulorum, 186 

 flatheaded borers — 



Buprestis adjecta, 189 



Buprestis aurulenta, 188 



Buprestis connexa, 189 



Buprestis nuttalli, 189 



Buprestis nuttalli laeviventris, 189 



Buprestis rusticorum, 189 



Buprestis subornata, 189 



Chalcophora angulicollis, 187 



Chrysobothris breviloba, 191 



Chrysobothris californica, 190 



Chrysobothris caurina, 191 



Chrysobothris dentipes, 191 



Chrysobothris dolata, 191 



Chrysobothris monticola, 191 



Chrysobothris semisculpta, 191 



Dicerca sexualis, 190 



Dicerca tenebrosa, 190 

 horntails- — ■ 



Sirex behrensii, 201 



Sirex californicus, 201 



Sirex juvencus, 201 

 other wood boi-er, Serropalpus barbatus, 



198 

 roundheaded borers — 



Arhopalus productus, 195 



Ase»n<)H atrum, 195 



AsemiOH mokelumne, 196 



Asemttra nitidum, 196 



Callidium antennatum hesperum, 195 



Ergates spiculatus, 192 



Leptura obliterata, 196 



MoMOii'.\a»n(s maculosus, 193 



Monochamus obtusus, 194 



Prionus californicus (roots), 193 



Spondylis upiformis, 196 



Tragosoma harrisi, 193 



Ulochaetes leoninus, 196 

 sapwood weevils, Cossonus spp., 198 

 on needles — ■ 

 bud moths— 



■■'Choristoneura fumiferana, 102 



Zelleria haimbachi, 112 

 leaf beetle, Dichelonyx crotchi, 125 

 leaf chewers — 



■■'Coloradia pandora, 83 



*Neophasia menapia, 80 

 leaf weevils — 



Scythropus albidus, 125 



Scythropus californicus, 125 



Scythropus ferrugineus, 125 

 needle miner, Recurvaria moreonella, 110 

 sawflies — 



Neodiprion americanus banksiannae, 120 



Neodiprion edwardsii, 120 



Neodiprion fulviceps, 120 

 spider mites — 



Paratetranychus spp., 68 



Phytoptus pini, 69 

 under bark of main trunk or branches — 

 bark beetles — 



■'Dendroctonus brevicomis, 132 



^Dendroctonus monticolae, 135 



Dendroctonus valens, 142 



Hylastes gracilis, 154 



Hylastes macer, 155 



Hylastes minutus, 155 



Hylurgops lecontei, 154 



Hylurgops porosus, 154 



Hylurgops rugipennis, 154 



Hylurgops subcostulatus, 154 



*/ps confusus, 146 



Zps eniarginatus, 148 



