262 



INDEX OF HOST TREES 



Oak (continued) 



under bark of main trunk or branches — 

 bark beetles. Pseudopityophthorus spp., 169 

 roundheaded borers — 



Phymatodes decussatus, 176 

 Phymatodes lecontei, 176 

 Oak, blue (Quercus douglassii) — 

 attacking leaves — - 

 caterpillars — 



Malacosoma ealiforniea, 95 



Malacosoma constricta, 95 



in smaller limbs, twigs, or trunk — 



flatheaded borer. Anthaxia aeneogasttr, 47 

 in wood — 



powder-post beetles — 

 Polycaon stouti, 205 

 Scobicia declivis, 205 

 roundheaded borers — 



Xecydalis cavipennis, 198 

 Xeoclytus eonjiuictus, 198 

 Xylotrechus nauticus, 197 

 under bark of main trunk or branches- — 

 roundheaded borer, Phymatodes decussatus, 

 176 

 Oak, California black (Quercus kelloggii) — 

 attacking leaves — 

 leaf chewers- — 



Malacosoma constricta, 95 

 Phryganidia ealiforniea, S9 

 leaf miner — 



Abebaea- subsylvella, 116 

 in acorns — 



moth. Melissopus latiferreanus, 26 

 weevil, Curculio uniformis, 26 

 in smaller limbs, twigs, or trunk — 



roundheaded borer, Lophogonius critinus, 



47 

 twig beetles, Pseudo])ityophthorus spp., 

 39, 169 



twig girdler, Agrilus angelicus, 46 

 in Wood — 



ambrosia beetle, Monarthrum scutellare, 18 

 flatheaded borer, Buprestis gibbsi, 189 

 powder-post beetle, Scobicia declivis, 205 

 roundheaded borers — 



Xecydalis cavipennis, 198 

 Xeoclytus conjunctus, 198 

 Xylotrechus nauticus, 197 

 Oak, California white (Quercus lobata) — 

 attacking leaves — 

 caterpillars — 



Malacosoma ealiforniea, 95 



Malacosoma constricta, 95 



Phryganidia ealiforniea, 89 



in smaller limbs, twigs or trunk- — 



flatheaded borer, Anthaxia aeneogaster, 47 

 twig girdler, Agrilus angelicus, 46 

 in wood — 



ambrosia beetle, Monarthrum dentiger, 186 

 carpenter worm, Prionoxystus robiniae, 199 

 powder-post beetle, Scobicia declivis, 205 

 roundheaded borers — 



Neoclytus conjunctus, 198 

 Xylotrechus 'nauticus, 197 

 Oak, canyon live (Quercus chrysolepis) — 

 attacking leaves — 

 caterpillars — 



Hemerocampa vetusta, '93 

 Malacosoma ealiforniea, 95 

 Malacosoma constricta, 95 

 leaf miners — 



Bucculatrix albertiella, 116 

 Cameraria agrifoliella, 116 

 in acorns — 



moth, Melissopus latiferreanus, 26 

 weevil, Curculio uniformis, 26 

 in smaller limbs, twigs, or trunk — 



roundhead borer, Lophogonius crinitus, 47 

 twig beetles, Pseudopityophthorus spp., 



39, 169 

 twig girdler, Agrilus angelicus, 46 

 in wood — 



ambrosia beetles — 



Monarthrum dentiger, 186 

 Monarthrum scutellare, 186 

 carpenter worm, Prionoxystus robiniae, 199 



Oak, canyon live (continued) 

 in wood — (continued) 



clear-winged moth, Ramosia meUinipennis, 



200 

 powder-post beetles- — 

 Polycaon confertus, 205 

 Polycaon stouti, 205 

 Scobicia declivis, 205 

 roundheaded borers — 



Xecydalis cavipennis, 198 

 Xeoclytus conjuyictus, 198 

 Xylotrechus nauticus, 197 

 under bark of main trunk or branches — 

 bark beetles, -'Pseudopityojihthorus spp.. 



39, 169 

 roundheaded borers— 



Phymatodes decussatus, 176 

 Phymatodes lecontei, 176 

 Oak, interior live (Quercus icislizenii) — 

 in acorns — 



moth, Melissopus latiferreanus, 26 

 weevil. Curculio uniformis, 26 

 in smaller limbs, twigs, or trunk — 



twig girdler, Agrilus angelicus, 46 

 in wood — - 



ambrosia beetle, Monarthrum scutellare, 

 186 

 Oak, Oregon white (Quercus parrayana) — 

 in acorns — 



moth, Melissojms latiferreanus, 26 

 in smaller limbs, twigs, or trunk — 



roundheaded borer, Lophooonius crinitus, 

 47 

 in wood — 



flatheaded borer, Buprestis gibbsi, 189 

 powder-post beetle, Scobicia declivis, 205 

 roundheaded borers — 



Xecydalis cavipennis, 198 

 Xeoclytus conjunctus, 198 

 Xylotrechus nauticus, 197 

 on leaves — 

 caterpillars — 



Lambinda fiscellaria somniaria, 100 

 Malacosoma constricta, 95 

 spider mite, Tetranychus sp., 68 

 under bark of main trunk or branches — 

 roundheaded borers — 



Phymatodes decussatus, 176 

 Phymatodes lecontei, 176 

 Oak. tan. See Tanoak. 

 Pine( Pinus spp.) — 

 in roots of seedlings — 



weevil, Brachyrhinus ovatus, 29 

 on leaves — 



needle gall. Janetiella coloradensis, 70 

 Pine, apache (Pinus apacheca) — - 

 in cones or seeds — - 



cone beetle, Conophthorus apachecae, li> 

 in smaller limbs, twigs, or trunk- — - 



twig beetles. Pityophthorus spp., 37, 73, 

 154 

 in wood — 



ambrosia beetles— 



Gnathotrichus aciculatus, 185 

 Gyiathotriehus denticulatus, 185 

 under bark of main trunk or branches — 

 bark beetles — 



■■'Dendroctonus approximatus, 135 

 ■'Dendroctonus arizonicus, 135 

 ^Dendroctonus barbari, 133 

 Dendroctonus valens, 142 

 "ips lecontei, 147 

 Pine, Arizona (Pinus arizonica) — 

 in smaller limbs, twigs, or trunk- — 



twig beetle, Pityophthorus so.. 37, 73, 154 

 under bark of large trunk or branches — 

 bark beetles — 



■'Dendroctonus approximatus, 135 

 Dendroctonus valens, 142 

 Ips kyiausi, 148 

 Pine, bristlecone (Pinus aristata) — 

 in smaller limbs, twigs, or trunk' — 



twig beetles, Pityophthorus spp., 37, 73, 

 154 



