INDEX. 191 



Page. 



Drosophila buskei, sulphur dioxide as insecticide 145 



punctulata, sulphur dioxide as insecticide 145 



Earthworm, food of Lasius niger americanus 34 



Ecthrodelphax fairchildii, parasite of Perkinsiella saccharicida in Hawaii 65 



Egg laying, of Podisus maculiventris 157-158, 160 



plant, food plant of Lineodes Integra 70 



Elm. (See also Ulmus amencana.) 



case-bearer, European. (See Coleophora limosipennetta.) 



food plant of Coleophora limosipennella 90 



Hyphantria cunea 42, 43 



leaf-beetle. (See Galerucella luteola.) 



red, galls of Pemphigus ulmifusus 85 



white, cockscomb galls 85 



Empoasca mali, in Minnesota 88 



spp.. sulphur dioxide as insecticide 145 



Entomological types, care 51-52 



Entomologist, economic, groups of animals studied 8 



inadequate salaries 11-12 



opportunities for investigation 11-12 



summary of important future work 23 



Entomologists, Association of Economic, active members 178-180 



associate members 180-181 



foreign members 181-182 



officers for 1906 177 



Entomology, and human diseases 16-17 



economic, compilation and repetition 9-10 



estimate of annual literature 9 



facilities for publication 10 



false heralds 10-11 



history in Hawaii 58-66 



scope and status 5-23 



estima te of annual literature 9 



importance of thorough teaching 15-16 



practical, estimate of annual literature 9 



study as mental discipline 14-15 



teaching in agricultural colleges 12-14 



Ephestia hiehniella, hydrocyanic-acid gas fumigation ■_ _ 86-88 



Epicauta vittata, on alfalfa in Texas 68 



Paris green a remedy 68 



Epitrix parvula, sulphur dioxide as insecticide 145 



Erebus odora, on Leguminosse in Cuba 70 



Eriophyes gossypii, on cotton in Cuba 70 



padi, galls on plum in Minnesota 85 



Eudamus proteus, on Leguminosse in Cuba 70 



Eulecanium nigrofasciatum, in Georgia 77 



lime-sulphur wash in control 77 



Eupelmus allynii, parasite of Isosoma sp. in Ohio 71 



n. sp., parasite of Isosoma sp. in Ohio 71 



Euphorus sculptus, Centistes amencana a synonym 60 



Euproctis chrysorrhma. (See also Brown-tail moth.) 



in New Hampshire . 75 



Farm products of the United States, estimated value 103 



Federal control, of introduced insect pests 95-106 



