CONTENTS IX 



Page 



Diptera: Lonchaeldae 123 



Lonchaea Fallen 123 



Lonchaea alexanderi Br^thes 123 



Dasiops Rondani 124 



Dasiops saltana (Townsend) 124 



Hymenoptera: Ghalcididae 124 



Torymus Dalman 124 



Torymus bifasciipennis (Gahan) 124 



Rileya Ashmead 125 



Rileya opuntiae Gahan 125 



Heteroptera: Coreidae 125 



Chelinidea Uhler 125 



Ghelinidea tabulata (Burmeister) 128 



Chelinidea canyona Hamlin 129 



Chelinidea hunteri Hamlin 131 



Chelinidea vittiger Uhler 131 



Narnia StSl 133 



Narnia pallidicornis Stal 134 



Narnia snowi Van Duzee 135 



Narnia femorata StSl 136 



Leptoglossus Guerin-Meneville 136 



Leptoglossus dentatus Berg 136 



Leptoglossus cinctus (Herrich-Schaeffer) 136 



Leptoglossus condor (Walker) 137 



Leptoglossus subauratus Distant 137 



Leptoglossus Guerin-Meneville, sp 137 



Heteroptera: Capsidae 137 



Hesperolabops Kirk 137 



Hesperolabops picta Hunter, Pratt & Mitchell 137 



Homoptera 137 



Homoptera: Coccidae 138 



Dactylopius Costa 1 38 



Cochineal Insects: History 138 



Forms Recognized 139 



Undetermined Species 140 



Host Specificity 141 



Enemies 141 



Habits and Life History 143 



Generations 144 



Effect on Host Plant 145 



Dactylopius coccus Costa 146 



Dactylopius opuntiae Lichtenstein 146 



Dactylopius confusus Cockerell 147 



Dactylopius sp. near confusus Cockerell 148 



Dactylopius ceylonicus Green 148 



Dactylopius newsteadi Cockerell 149 



