124 



Page. 



Oak bark-beetle, western "1 



borer, dusty 9-1 



southern 95 



variable 95 



earpenter worm 99 



caterpillar, green 87 



red humped 87 



live, root-borer 95 



pruner 91 



span-worm, western 88 



timber-worm. ( See Northern Brenthis. ) 



tussock caterpillar 85 



twig Ormyrus 77 



web worm 89 



worm, orange-striped 85 



worm, spiny 85 



Oblique - banded leaf -roller. (See Leaf- 

 roller.) 

 Oleander scale. (See Scale.) 



Orange aphis 10 



banded clerid 101 



case-hearer 8 



Chioiiaspis 11 



Chrysobdthris 7 



dog (hog caterpillar) 8 



fruit-mite 9 



leaf-notcher 8 



roller 8 



rust-mite 9, 106 



.sawyer 8 



striped oakvvorm 85 I 



sulphur 36 I 



white spot 9 ! 



Oregon Tomieus 73, 100 



Ormyrus, oak twig 77 



Owlet-moth, eommelina 35, 57 



Ox-bot , 69 



louse, long-nosed 69 



short-nosed 69 



Oyster shell. (SVc Scale.) 



Pale-striped flea-beetle. [Sec Flea-beetle.) 



Tremex 99 



tussock caterpillar 85 



Pales weevil 92 



Paii-AiiuTicaii Platypus. [See Platypus.) 



Parinaclu'iiic l)aik-beetle 81 



Pea moth, i in ported 50 



weevil 49 



Peach bark-beetle, native 19 



borer 19 



moth, blue- spangled 19 



scale 19 



twig moth 19 



Pear-blight beetle 13, 20 



blister-mite 20 



borer, sinuate 21 



I's y 1 1 a 20 



shot-borer 20 



slug 20 



Pegoiiiya, l)eet-leaf 43 



Penciled snout-beetle. (See Snout-beetle.) 

 Periodical cicada. (.SVc Cicada.) 



PlnvKaniilia, California 86 



Plivlioxera. (See Grape.) 



Pickle worm 



i'igec >u Tremex 



Pigweed hug, clouded 



Pin b(irer (apple-wood stainer) 



Pine l>ark-beetle, destructive 



bark-borer, flat-headed 



small 



birdseye 



borer, black-horned 



knob-horned 



heartwood 



lesser 



obsolete 



ponderous 



ribbed 



butterfl y 



cone- worm, southern 



destroyer, western 



destroying beetle of the Black Hills.. 



fungus-gall weevil 



horntail, black 



small 



heartwood borer 



59 

 99 

 45 

 12 



100 

 97 

 93 

 77 

 96 

 93 

 98 

 93 

 93 

 92 

 96 

 84 

 90 

 71 



100 

 78 

 99 

 99 



Page 



Pine Hylnrgops, western 74 



Jeft'rey, twig beetle 72 



Knobeone, bark-beetle 71 



lodgepole, l>ark-be.'tle 71 



MoTiterey, twig-lieetle 72 



mountain, Dendroetonus 74,101 



wood-engraver 72 



.sawyer, common 92 



.shore, Hylesinus 76 



silver, Tomieus 73 



Sphinx 84 



sugar, bark- weevil 78 



smaller Tomieus 72 



wood-engraver 73 



tussock caterpillar 85 



twig maggot 78 



miner 79 



white, Abbot's sawfly 89 



sawyer 76, 92 



twig-beetle 80 



weevil ■ 91 



wood-engraver 80 



wood-perforator 78 



stainer, eastern 70 



western 70 



yellow , wood-engraver 72 



Pistol case-bearer. (See Case-bearer.) 



Pitch-eating weevil 92 



Plant-bug, dusky 25 



four-lined 33 



hooded 9, 27, 45 



northern leaf-footed 59 



southern ieaf-footed 9 



tarnished 33, 45, 52 



timothy 31 



louse. (See under Aphis.) 



Platypus, Pan-American 7 



western 70 



Plum curcnlio 18, 21 



gouger 21 



Plume-moth, grape-vine 23 



sweet potato 5(3 



Polyphemus moth 84 



Ponderous .sawyer 77, 92 



Poplar borer. .."...-. 93 



carpenter worm 99 



girdler 93 



tent-maker 86 



Potato beetle, bogus 55 



Colorado 65 



three-lined 55 



stalk-weevil 54 



tuber worm 54 



Pot-herb butterfly. (See Butterfly.) 



Powder-i m .st Iseetles 98 



Pretty eutvvorm. (See Cutworm.) 



Prionus, bmail-necKed 96 



lesser 95 



tile-horned 21 



Pruner, apple-tree. (See Apple.) 



oak 91 



P.sylla. (See Pear.) 



Ptinid, borer, red-shouldered 98 



giant arborvitse 78 



Punctured flea-beetle. (See Flea-beetle.) 

 Purple .scale. (SVe Scale.) 



Purslane bug 46 



caterpillar 44 



Putnam's scale. (See Scale.) 



Pyralid, catiliflower 53 



Rascal leaf crumpler. (See Leaf-crumpler.) 



Raspberrv cane-borer 26 



leaf-roller 25, 27 



root-borer 26 



sawfly 27 



spanworm 27 



Red-banded leaf- roller. (See Leaf- roller. ) 



Red bug ( ]>!/sdercus) 9 



( Leptus) 67 



Red grain-beetle. (See Grain.) 



Red-headed Clytus 96 



legged flea-beetle. (See Flea-beetle. ) 

 ham-beetle. (See Ham.) 

 locust. (See Locu.st.) 

 necked cane-borer. (See Cane borer.) 



scale 11 



shouldered ptinid borer 98 



