194 ASSOCIATION OF ECONOMIC ENTOMOLOGISTS. 



Page 



Hibiscus escidentus, food plant of Aphis {/ossypii 163 



Rhopalosi])hu?n dianthi 163 



saved by Coccinella repanda and Platyomus lividigaster 61 



Hk-korv, food plant of Hyphantria cunea. 42 



Malacosoma disstria 79 



Hinds, W. E., paper, ''Laboratory Methods in the Cotton Boll Weevil Investiga- 

 tions" 111-119 



Hollyhock, food plant of Vanessa cai'dui 85 



Honey bee. (See Apis mellifera and Bee, honey.) 



dew, on citrus tress and casuarinas in Hawaii 59 



Hop-tree. (See Ptelea trifoliata.) 



Eorisinenus microgastri, parasite of Apanteles catalpic in Ohio 73 



Hornfly. (See Hsemafobia serrata.) 



Horseflies, probable value of petroleum in control 60 



Horsefly, green-headed. (See Tahanus lineola.) 



Host plant catalogue of Aphididae 163 



Household insects, sulphur dioxide as •insecticide 144 



Houses, infestation by Troctes dimrmtoria 86 



Hunter, \y. D., paper, "The Present Status of the :\Iexican Cotton Boll Weevil". . 106 



Hydrocyanic-acid gas, against Ephestia Jcuehniella 86-88 



Plodia interpundella and Tenebrio 154 



Troctes divinatoria 86 



impracticable for soil fumigation in greenhouses 154 



tarnishing of silver and nickel from fumigation 86 



Hyperaspis, introduction of several species into Hawaii 60 



undulata, introduction into Hawaii 60 



Hyphantria cunea, color variation of larvae 50-51 



division and union of broods, etc 48-50 



economic lo.'rs 51 



feeding habits 46-47 



food plants 41-43 



growth and molting 47-48 



habits on walnut, hacklierry, and choke-cheriy 43-46 



in New Hampshire 75 



Ohio 41 , 42 



migrating habits 43, 46 



remedies 51 



textor, in New York - . - 90 



Eypocala andremona, on Japanese persimmons in Cuba 70 



Hypopteromahis tabacum, parasite of Apanteles catalpie in Ohio 73 



Icerya purchasi, on citrus trees and casuarinas in Hawaii 59 



Importation of plants into Hawaii 59 



"■Inchworm." (See Cingilia caUnaria.) 



Incubation, duration in Podisus maculiventris 1 57-1 58, 161 



Incubator, in study of temperature effects on boll weevil 113 



Insect, does some species convey spotted fever ? 17 



pests, introduced. National control ., 95-106 



report of committee 134 



photography, methods 131-132 



phylogeny, significance of wing origin 29 



Insecticide, sulffiiur dioxide 139-153 



Insecticides, experiments against San Jose scale 137-138 



influence of clinuxtic differences on efficiencv 93-94 



