INDEX. 193 



Page. 

 Grain aphis, southern. (See Toxoptera grarninum.) 



fumigation with carlion bisulphide , 92 



germinating power destroyed by sulphur dioxide 142, 149, 150, 151-153 



insects in Ohio 71 



sulphur dioxide as insecticide 142, 143, 144, 146, 14S, 149 



moth, Angoumois. (See Sitotroga cerealella.) 

 Granary weevil. (See Calandra granaria.) 

 Gi'ape berry moth. (See Polychrosis botrana.) 



food plant of Fidia viticida 72 



Polychrosis botrana ." 72 



TypMocyba comes S3 



leaf-aphis, structural differences between grape and plum colonizing forms. 162-163 

 leaf-hopper. (See TypMocyba comes.) 

 root-worm. (See Fidia viticida.) 

 wild. (See Vitis vulpina.) 



Grass, crab, food plant of Laphygma frugiperda 81 



food plant of Lachnosterna sp •. 85 



injury by army worm, webworm, and white grubs 90 



" Green bug. " (See also Toxoptera grarninum.) 



Texas name for Toxoptera grarninum 67 



Grosella, food plant of Melanchroia geometroides 70 



Guava scale, cottony. (See Pulvinaria psidii.) 

 Gypsy moth. (See also Porthetria dispar.) 



Federal control 95, 97-9S, 99, 103-104, 105 



invasion of New Hampshire 97-98 



riackberry. {SeeCeltis occidentalis.) 



Hxmatobia serrata, in Hawaii 62 



Spalangia hirta, a parasite in Hawaii 63 



Hair-worm, cabbage. (See Mermis albicans.) 



Halictus sp., sulphur dioxide as insecticide 145 



Hawaii, economic entomology 58-66 



experir.cnt station, entomological work 66 



importation of plants 59 



introduction of beneficial insects 59-66 



injurious insects 58-60 



Territorial Board of Agriculture and Forestry, entomological force 65, 66 



Hawaiian Sugar Planters' Association Experiment Station, entomological force. ... 66 



Eeliophila unipuncta, in Maryland 83-84 



New York 89 



on sugar cane in Cuba 70 



Heliothis obsoleta, in Georgia SO 



Minnesota 85 



on corn in Cuba. 70 



Podisus maculiverdris an enemy 155 



Hellebore, ineifective against Lachnosterna sp 85 



Hemerocampa leucostigma, on shade trees in New York 90 



Hemipterous insects, on corn and sugar cane in Cuba 70 



Hessian fly. (See also Mayetiola destructor.) 



distribution in the United States 91 



double-brooded in North Dakota 91 



in Minnesota * . . 84, 91, 93 



Hibernation of boll weevil 108-109 



experiment to determine conditions 126-127 



31024— No. 60—06 m 13 



