INDEX. 323 



Page. 



Disease as factor in control of ' ' pine tussock moth " 101, 103-104 



tent caterpillar (Malacosoma) 98, 101, 105 



white-marked tussock moth (Hemerocampa leu- 



costigma) 100-101 



Dog, host of Rhipicephalus sanguineus 42 



texanus 41 



Dromedary {see also Camel). 



trypanosome disease transmitted by tabanid flies 45 



Drymonia chaonia, host of Compsilura concinnata 89 



Earwigs (Forficulidse), prey of Carabus auratus, artificial control by means of 



its enemy 18 



Staphylinus olens, artificial control by means of 



its enemy 18 



Echinomyiafera, parasite of gipsy moth, recorded in literature 88 



recorded hosts 89 



prxceps, parasite of brown-tail moth, recorded in literature 91 



recorded hosts 92 



Ecihrodelphax fairchildii, parasite of Perkinsiella saccharicida, introduction into 



Hawaiian Islands 35 



Elachertine parasite of Apanteles sp. (delicatus f) 139 



Elasmus, parasite of Apanteles fulvipes 199 



Elm (see also Ulmus). 



food plant of gipsy moth 81 



leaf-beetle (Galerucella luteola), host of Tetrastichus xanthomelaenx 62-63 



work with egg-parasite, Tetrastichus xan- 



thomelsenx 39-41 



Emphytus cingillum, host of Pales pavida 92 



Endromis versicolora, host of Carcelia excisa 89 



Entedon albitarsis, parasite of Pteromalus egregius 263, 266, 267, 269 



epigonus, parasite of Mayetiola destructor, introduction into United 



States 30 



Ephyra linearia, host of Blepharidea vulgaris 91 



Epicampocera crassiseta, parasite of gipsy moth, recorded in literature 88 



recorded hosts 89 



Epineuronia cespitis, host of Blepharidea vulgaris 91 



Epiurus inquisitoriella. (See Pimpla inquisitoriella.) 



Erastria scitula, parasite of black scale (Saissetia olese), introduction into United 



States 34 



Eriogaster catex, host of Pales pavida 92 



Ernestia consobrina, parasite of gipsy moth, recorded in literature 88 



recorded hosts 89 



Eryciaferruginea, parasite of brown-tail moth, recorded in literature 91 



recorded hosts 92 



Euchloe cardamines, host of Blepharidea vulgaris 91 



Eudoromyia magnicornis, gross number colonized 309 



parasite of brown-tail moth in Europe, position in 



"sequence" 136 



introduction into United 



States, habits 303-304 



reared at laboratory 91 



recorded in literature ... 88 

 status in United States in 



1910 309 



recorded hosts 89, 92 



