326 PARASITES OF GIPSY AND BROWN-TAIL MOTHS. 



Page. 



Hunter ellus hooker i, question as to original home 42 



Hybernia defoliaria, host of Blepharidea vulgaris 91 



sp., host of Dexodes nigripes 88-91 



Hybridization between Tachina mella and Tachina larvarum, possibility thereof. 227 



Hydrocyanic-acid gas against fluted scale 24 



Hyloicus pinastri, host of Blepharidea vulgaris 91 



Carcelia excisa 89 



Compsilura concinnata 89 



Phryxe erythrostoma 89 



Hylophila prasinana, host of Blepharidea vulgaris 91 



Hymenopterous parasite cocoons, importation and handling 165-166 



Hyperparasites, host relations 201-202 



Hyphantria (see also Web worm, fall). 



host of Apanteles lacteicolor 284 



Hypopteromalus, parasite of Apanteles fulvipes 199, 200 



leery a segyptiaca, prey of Novius cardinalis 28-29 



purchasi, introduction into Florida 28 



prey of Novius cardinalis, in Cape Colony 28 



Formosa 29 



Hawaiian Islands 29 



Italy 29 



New Zealand 27 



Portugal 27-28 



Syria 29 



United States 24-27 



Ichneumon disparts, parasite of brown-tail moth, recorded in literature 86 



gipsy moth in Europe 239 



position in " seq uence " . . 132 



reared at laboratory 85 



recorded in literature 85 



fly, parasite of Ceratitis capitata, introduction into western Australia . 39 



pictus, parasite of gipsy moth, recorded in literature 85 



scutellator, parasite of brown-tail moth, recorded in literature 86 



Idiolispa atripes, parasite of brown-tail moth, recorded in literature 86 



Insects, control by birds and other predators 107-108 



disease 108,114 



parasitism 105-109 



starvation 114 



weather conditions 107 



native, studies in parasitism 102-105 



species differing in biological characters only 225-226, 257, 285-286 



the three groups of factors in natural control 114 



Itoplectis conquisitor. (See Pimpla conquisitor .) 



Ixodiphagus texanus, parasite of Hxmaphysalis leporis-palustris 41 



Kincaid, Trevor, Russian observations on gipsy and brown-tail moths. . 78-82, 124-125 

 Ladybird, Asiatic. (See Ladybird, Chinese, and Chilocorus similis.) 

 Australian. (See Novius cardinalis.) 

 Chinese (see also Chilocorus similis). 



attacked by American ladybird parasites 30 



common English, enemy of hop aphis, practical handling suggested . . 17 



Ladybirds, parasites 30 



Lampyrid beetles, enemies of gipsy moth 252-253 



Larentia autumnalis, host of Zenillia libatrix 90 



