266 



THE PHYSIOLOGY OF INSECT SENSES 



Sound, localization, 93-94, 98 



production, 77, 91, 93 



reception, 65, 77-1 1 1 



thresholds, 90, 101 

 Spectral sensitivity, 180-4, 186, 188 

 Spectral sensitivity, of ocelli, 209 

 Statocysts, 69, 70, 74 

 Stemmata, 69, 210-13 

 Stiles-Crawford effect, 201 

 Stomoxys calcitrans, 116 

 Stretch receptors, 8, 44-51, 78 

 Stridulation, 77, 91, 93 

 Stroboscopic motion, 206 

 Subepidermal plexus, 14, 15, 16 

 Subgenual organs, 55, 78, 80, 83, 90, 



106-11 

 Sugar receptor, 149-51 

 Sugars, stimulation by, 126, 128, 129, 



137^1 

 Superposition eye, 197-200 

 Swimming, role of mechanoreception 



in, 68-74 

 Sympetrum, 207 



nbicimdulum, 207 



Tabanus, 126, 127 



sulcifrons, 130 

 Tachycines, 169, 171, 206 

 Tactile hair, 11, 12, 23 



electrical events, 28-35 

 Tactile sense, 27-35 

 Tarsal reflex, 63 

 Taste, 126-55 

 Temperature, effect on chemorecep- 



tion, 146 

 Temporal resolution, 206 

 Tenebrio, 158, 160 



molitor, 119, 157, 158, 159 



Thamnotrizon aptenis, 89 

 Tibicina haematodes, 83 

 Tipula paludosa, 54 

 Tormogen, 9,11 

 Tribolium, 119, 160 



castaneum, 120, 157, 158, 159 



confusuiriy 120, 158, 159 

 Trichogen, 9, 1 1 

 Trimerotropis, 111 



citrina, 169, 172 



maritima, 169, 172 

 Tropidacris latreillei, 7 

 Tympanic organ, 56, 78-99 

 Tympanic organs. Cicada, 83-84 



Hemiptera, 99 



Lepidoptera, 94-99 



Orthoptera, 89-94 

 Type II receptors, 44-51 



Vanessa, 144 



atalanta, 145, 168 



indica, 138, 145, 148, 151 



urticae, 23 

 Vespa, 63, 106, 170 



saxonica, 76 

 Vibration, thresholds, 107-10 

 Vibration sense, 105-11 

 Vision, 162-213 

 Visual acuity, 198, 202^ 



Walking, role of mechanoreceptors in, 

 62-63 



Water receptor, 1 53 



Wing, campaniform sensilla, 53, 66 

 chordotonal sensilla, 53, 66 

 mechanoreceptors on, 28, 31, 34 

 sensilla trichodea, 66 



