126 



Page. 



Spruce, Douglas, Hylesinus 75 



twig-weevil 78 



Engelmann , gall-aphis 79 



red, Scolytus 82 



small bark-beetle 80 



Sitka, Dolurgus 73 



gall-aphis 79 



Hylurgops 74 



Tornicus 73 



twig-beetle 72 



timber-beetle 71 



twig wood-engraver, minute 80 



weevil, western 91 



white, bark-beetle 81 



wood-borer, destructive . . . .' 83, 96 



wood-engraver 80 



Square-necked grain-beetle. (See Grain.) 



Squash-bug, common GO 



horned 60 



ladybird 60 



vine borer 59 



Stable fly. (See Fly.) 

 Staiuer, cotton. (See Cotton.) 



Stalk-borer 39, 51, 57 



corn, smaller 48 



Stalk-weevil, potato 54 



Stem-borer, clover 32 



lima bean 47 



native currant 28 



Stinging caterpillar. (.See Caterpillar.) 



Strawberry crown-borer 24 



girdler 24 



moth 25 



false worm 25 



flea-beetle 25 



leaf-beetle 25 



spotted 25 



chafer 25 



roller 26, 27 



root-borer 25 



weevil 26 



Straw- worn , barley 41 



greater wheat 41 



Striped blister-beetle. (.See Blister- beetle.) 

 cucumber-beetle. (.See Cucumber. ) 

 cut-worm. (.See Cut-worm.) 

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

 Sucking horse louse. (.See Louse.) 

 Sugar-beet. (See Leaf-beetle and Webworm.) 



maple borer 93 



Sulphur, cloudless. (.See Butterfly. ) 



colored Tortrix * 34, 59 



little. (.See Butterfly.) 

 orange. (.See Butterfly.) 



Sweet-potato flea-beetle 56 



hawk-moth 56 



plume-moth 56 



root-borer 56 



sawfly, larger 56 



Swollen May-beetle. (See May beetle. 



Tapestry moth. (.See Carpet moth.) 

 Tarnished plant bug. * (See Plant bug.) 

 Ten-spotted Xanthoma. (See Xanthoma.) 

 Tent-caterpillar. (.See Apple.) 



American 88 



Californian 88 



forest 87 



northwestern 88 



Rockv Mountain 88 



tufted 88 



maker, poplar 86 



Terrapin scale. (.See Scale.) 

 Thick-thighed walking stick. (See Walk- 

 ing stick.) 

 Three-lined potato beetle. (See Potato 

 beetle.) 



Thrips, wheat 32 



Thunderbolt beetle 95 



Tick, cattle 66 



sheep 69 



Tiger-moth, isabella 30, 36, 44 



nais 36 



Tile-horned Prionus. (See Prionus.) 



Timber-beetle, birch 71 



cosmopolitan 71 



hickory 98 



spruce 71 



Page. 



Timber worm, chestnut 98 



oak. (See Northern Bren- 

 this.) 

 Timothy plant bug. (See Plant bug.) 



Tobacco split-worm 54 



worm, Northern 57 



Southern 57 



Tomato worm 57 



Tornicus, four-spined 73 



Hudson Bay 81 



Oregon 73, 100 



silver pine 73 



Sitka spruce 73 



smaller sugar pine 72 



western five-spined 73 



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



Tortoise-beetle, argus '57 



black-legged 56 



golden 55 



green 57 



little green 54 



mottled 56 



two-striped 56 



Tortricid in apple fruit. (See Apple.) 



Tortrix, rusty brown 34 



sulphur-colored 34, 59 



Tree borer, flat-headed. (See Apple, Or- 

 ange.) 

 peach. (See Peach.) 

 . cricket, snowy. (See Cricket.) 



hopper, buffalo 13 



Tremex, pale 99 



pigeon 99 



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



Trogositid, green 102 



Tuber worm. ( See Potato. ) 



Tuberculate colvdiid 102 



Tufted tent-caterpillar 88 



Turkey gnat. (See Gnat. ) 



Turnip-beetle, red 53 



Turpentine-beetle, dark red 74 



borer 97 



Tussock-caterpillar, hickorv 85 



oak....' 85 



pale 85 



pine 85 



white-marked 16 



moth, California 87 



dark 87 



rusty 87 



white-marked 87 



Twelve-spotted asparagus beetle. (See As- 

 paragus.) 

 cucumber beetle. (See Cu- 

 cumber.) 

 Twice-stabbed ladybird. (See Ladybird.) 

 Twig-beetle. (See Apple.) 



Jeffrey pine 72 



Monterey pine 72 



Sitka spruce 72 



white pine 80 



borer. (See Apple.) 



red-shouldered 22 



girdler, hickory 92 



maggot, pine 78 



miner, pine 79 



Aveevil, Douglas spruce 78 



Two-lined chestnut borer 97 



spotted red spider. (See Red spider.) 

 striped locust. (See Locust.) 



tortoise-beetle. (See Tortoise- 

 beetle.) 

 walking-stick. (See Walking- 

 stick.) 

 Tyer, greenhouse leaf. (See Leaf-tyer.) 



Urographis, banded 96 



Vagabond Crambus. (See Crambus.) 

 Varied Anomala. (See Anomala.) 

 Variegated cutworm. (See Cutworm. ) 



Viceroy butterfly 83 



Vinegar fly 65, 66 



Violet-tip butterfly 83 



Walking-stick, common 89 



two-striped 9 



Walnut borer, blue- winged - 94 



