Table of Contents 



PACK 



The Scorpion Flies (Order Mecoptera) . . . . 206 



Family Panorpidce 207 



Life History of a Scorpion Fly ( Panorpa rufes- 



cens) 207 



The Lace-Winged Insects (Order Neuroptera) . . 209 



Table of Families 210 



The Dobson and Its Family (Family Sialidce) . . 211 



Life History of the Dobson (Corydalis cornuta) 212 



The Snake-Flies (Family Raphidiidce) . . . 216 



The False Rearhorses (Family Mantispidce) . . 217 



The Dusty- Wings (Family Coniopterygidce) . . 218 



The Ant-Lions (Family Myrmeleonidce) . . . 219 



The Aphis-Lions (Family Hemerobiidce) . . . 221 

 The Golden-Eyed Lace-Winged Flies (Family Chry- 



sopidce) 222 



Life History of the Golden-Eye (Chrysopa 



oculata) 224 



Plant-Lice, Scale Insects, True Bugs, Etc. (Order Hemip- 



tera) 226 



Table of Suborders 227 



Suborder Homoptera 228 



Table of Families 229 



The Harvest Flies or Cicadas (Family Cicadidce) . 231 

 Life History of the Seventeen- Year Locust 



(Cicada septendecim) .... 233 

 The Lantern Flies and Their Allies (Family Fulgori- 



dce) 235 



Life History of the Frosted Lightning Hopper 



(Ormenis pruinosa) 236 



The Tree Hoppers (Family Membracidce) . . 237 

 Life History of the Buffalo Tree Hopper (Ceresa 



bubalus) 239 



The Frog-Hoppers or Spittle Insects (Family Cerco- 



pidce) 241 



The Leaf-Hoppers (Family Jassidce) . . . 243 

 Life History of a Leaf-Hopper ( Deltocephalus 



inimicus) 245 



The White Flies or Aleyrodids (Family Aleyrodidce) 246 



Life History of a White Fly ( ' Aleyrodes citri) . 247 



Scale Insects (Family Coccidce) . . . . 250 



