280 



INSECT TRANSFORMATION 



Protura, 177 

 Psocidae, 158 

 Psylla, 206, 207 

 Psyllidae, 88 

 Pseudococcus, go, gi 

 Psychopsis, larva, ng 



pupa, 138 



Psylliodes larva, 112-3 

 Pulex, 162 

 Pupa, 2, 136-45 



free, 137, 261 



incomplete, 139, 140 



obtect, 138 



phylogeny of, 258-9 



of Aleyrodes, 88 



of Anopheles, 198, 200 



of Apterococcus, 91 



of butterfly, 6l, 62-4, 138-0 



of caddis-fly, 141 



of Chironomus, 19 i, 192 



of Coccidae, 89 



of Diptera, 139, 259, 261 



of flea, 161, 163 



of gnat, 796, 197, 259 



of moth, 139-40 



of Psychopsis, 138 



of snake-fly, 140 



of Simulium, 193, 194 



of weevil, 137, 138 



of wireworm, 108, 137-8 

 Puparium, 132, 144, 201, 202, 219 



220 

 Pupation, ant, 242 



bee, 240 



butterfly, 62-3 



caddis-fly, 141-2 



changes during, 145-54 



" QUEEN " termite, 81 

 bee and wasp, 238 



RAPHIDIA, pupa, 140, 259 



" Rat-tailed maggot." See " Eris- 

 talis " 



Reduviidae, 266 



Reproductive organs, 26-8 



origin and development, 145-6 

 of caterpillar, 60 

 of dragon-fly, 41-2 

 of grasshopper, 26-5 

 of mayfly, 92-3 



Respiratory organs, 18 



changes during pupation, 150-1 



of aquatic insects, 189-90 



of Anopheles larva, 198-200 



of Chironomus larva, 1901 



of Chironomus pupa, 191 



of Clunio, 192 



of dragon-fly, 42, 47 



of dragon-fly larva, 47-9, 50 



Respiratory organs of Dyticus, 102 



of Eristalis larva, 201-2 



of Eristalis pupa, 202 



of gnat larva, 195-7 



of gnat pupa, 197 



of grasshopper, 18, 21 



of mayfly larva, 94-5 



of Sialis larva, 119 

 Reversion, 159 

 Rhabdophaga, 211-3 

 Rhyacophilidae, 268 

 Rhynchites, 236 

 Rhyssa, 224 



Rock-jumper. See " Petrobius " 

 Rove-beetle, larva, 102, 228 

 Royal jelly, 240 



SAND-FLY. See " Simulium " 

 Sarcophaga, 216 

 Saw-fly, 125, 237 



larva, 125, 203 



of apple, 205 



of willow, 209-11 

 Scale-insect, 88-90, 207 

 Scales, wing of Lepidoptera, 52, 54 



Petrobius, 169 

 Scarabaeidae, 1 1 1 

 Schedius, 227 

 Schizoneura, 208 

 Sclerites, 7 



of head, 9 



of leg, 13-14 



of thorax, 12, 13 



Scolytidae, 114, 214, 215, 236, 269 

 Scytinoptera, 266 

 Segmentation, body, 7, 8 



egg, 30 

 Scorpion-fly. See " Mecoptera " 



" Panorpidae " 

 Seminal vesicle, 27 

 Sheep Maggot-fly. See " Lucilia " 

 Shelters of Insects, 230-1 

 Shield-bug, 236 

 Sialis, 118-19, 154 

 Silk gland, caterpillar, 57-8, 59, 60 

 Silky Beetle. See " Dascillus " 

 Silpha, larva, 106-7, 216 

 Simulium, 792-5, 231 



larva, 193 



pupa, 193, 194 

 Sirex, 125 



Smerinthus, 204, 209, 233 

 Snake-fly. See " Raphidia " 

 Snowy-fly. See " Aleyrodidae " 

 Social Insects, 238-43 

 " Soldier " termite, 81, 82 

 Spaniodera, 263 

 Spermatheca, 26 

 Spermatozoa, 27, 146 

 Sphegidae, 227-8 



