Seventeen-year locust, see Periodi- cal cicada Shield-bearers, 54 Sleeping sickness, 349 Slender meadow grasshopper, 54 Snowy tree cricket, 65 antennal marks, 66 musical instruments, 57 song, 66 Soldiers of termites, ?3? Soma, ?o4, 304 Somatic cells, ?o 4 Song of insects, 33, 34 of cicada, 21o--212 crickets, 58, 60, grasshoppers, 3 katydids, 39, 41, 4 OE, 43, 44, 47, 48, 49, 5 ?, 53, 54 Spiracles, ?3, I*4- Spirochetes, 34 ° Stagmomantis carolina, 73 Stimulus, ?o6 Stomach, Io 9 Stridulation, 33 Striped ground cricket, 58-6o song, 58, 59 Syrphid flies, ?77 larvae feeding on aphids, ,76, '77 Sword-bearing conehead, 5o song, 51 T Tabanida?, 320 Tent caterpillar, 26OE behavior on leafless tree, OE78, 279 cocoon, OE82 egg, OE63 egg mass, 263, 264 epidermis, OE95 fat-body, OEgoE feeding habits, 27% 27% OE73, ?.76
Tent caterpillar, general external form, OE85, OE86 head, OE84, OE85 internal organs, OE89-OE91 jaws, OE86 jumping from trees, OE8o, OES? manner of feeding, OE77 metamorphosis, OE93 molts, OE75 moth, 305 newly-hatched, OE65 prepupal stage, OE95 propupa, OE96, OE97 pupa, OE98 silk glands, OE86 press, OE88 spinneret, OE86 spinning cocoon, OESOE, OE83 structure and physiology, OE83 tents, 270 weavlng tent, 272 , 273 young, 26OE in egg, 312, 313 Termites, 125 /Ïme collective, ?43 castes, I31 , 14I , 142 community lire, ?34 destruction by, ?OE9 digestion of cellulose, '37 egg laying, ? 50, ? 5 ? food exchange, 144 fungus grown for food, ?48 king, ?34 lire history, ?36-?4 I males and femmes, ?33 nests aboveground, ?48 in trees, 148 underground, ?47 queen, ?34, I49 Reticulitermes, ? 36 short-winged form, ?33, I4° soldiers, ?3 I tropical termites, ?46 winged form, I33
[.361 ]
INDEX
