scales—Continued 
cottony maple, 101 
diaspine, 43 
elm scurfy, 108 
euonymus, 111, 112 
English ivy, 101 
European elm, 98, 473 
Fletcher, 106 
gloomy, 108 
golden oak, 101, 474 
hemlock, 108 
holly, 101 
juniper, 111 
magnolia, 103, 104 
maple leaf, 102 
margarodid, 95 
obscure, 108 
oleander, 101 
oystershell, 109, 110, 475 
persimmon, 112 
pine needle, 109 
pine tortoise, 103, 123 
pine twig gall, 65, 96 
pit, 100 
Putnam, 108 
red-pine, 65, 95, 123 
San Jose, 106, 475 
scurfy, 108 
soft, 101 
spruce bud, 106 
terrapin, 105 
tuliptree, 103 
walnut, 107 
white peach, 112 
willow scurfy, 109 
woolly pine, 106 
yellow oak, 101 
Scaphoideus luteolus, 69, 70 
Scapteriscus— 
abbreviatus, 60 
acletus, 61 
vicinus, 60 
Scarabaeidae, 31, 32, 145 
scarabaeids, 485 
scarabs, 145 
Scarites subterraneus, 118 
Scelionidae, 483 
Schizolachnus— 
lanosus, 83 
piniradiatae, 83 
Schizonotus sieboldi, 144, 477 
Schizura— 
concinna, 316 
ipomaeae, 317 
leptinoides, 317 
unicornis, 317 
Sciaphila duplex, 374 
Scleroderma, 484 
Scobicia, bidentata, 136 
Scolioidea, 485 
Scolidae, 485 
Scolopendridae, 4 
Scolytidae, 31, 33, 34, 35, 38, 39, 117, 
227, 265 
Scolytus— 
fagi, 238 
mali, 237 
multistriatus, 23, 235 
638 
Seolytus—Continued 
muticus, 239 
piceae, 239 
quadrispinosus, 235 
rugulosus, 238 
sulcatus, 
(see S. malt) 
scorpion, striped, 9 
Scorpionidae, 9 
scorpions, false, 10 
Scudderia— 
curvicauda, 59 
furcata, 59 
Scymnus— 
impexus, 123 
lacustris, 105, 123 
Seirarctia echo, 307 
Semanotus— 
ligneus, 198 
litigiosus, 198 
Semiothisa— 
bisignata, 338 
granitata, 338 
_ocellinata, 338 
sexmaculata, 338 
Serica— 
intermixta, 149 
peregrine, 485 
sericae, 149 
tristis, 149 
vespertina, 149 
Serropalpus barbatus, 
sheep ked, 428 
shield bearers, 403 
shipworms, 2, 10 
Sibine stimulae, 347 
Silpha, 119 
Silphidae, 114, 119 
silver-spotted skipper, 294 
Simulidae, 416 
Sinea spinipes, 64 
Sinodendron rugosum, 145 
Siphonaptera, 40 
Sirex— 
abbottu, 466 
cyaneus, 466 
edwardsi, 466 
juvencus, 23, 466 
nigricornis, 466 
Siricidae, 465 
Siricoidea, 465 
Sisyrosea textula, 348 
skeletonizers— 
apple-and-thorn, 396 
birch, 409 
maple trumpet, 371 
oak, 410, 411, 478 
palm leaf, 390 
skippers, 294 
Smerinthus— 
geminatus, 
(see S. jamaicensis) 
jamaicensis, 297 
Smodicum cucujiforme, 189 
Solenopsis saevissima richteri, 
492 
spanworms— 
Bruce, 336 
— 
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