204 ASSOCIATION OB' ECONOMIC ENTOMOLOGISTS. 



Page. 



Stobera sp., sulphur dioxide as insecticide 145 



Strawberry root-aphis. (See Aphis forbesii.) 

 Sugar-cane borer. (See Sphenophorus obscurvs.) 



food plant of coleopterous larvae 70 



Diairxa saccharalis 70 



Heliophila unipuncia 70 



hemipterous insects 70 



PerMnsiella saccharicida 65 



leaf-hopper. (See Ptrkinsiella saccharicida^) 



saved by Coccinella repanda and Platyomvs lividicjaster 61 



Sugar, not eaten by Lepisma saccJiarina . . 174 



Sulphur dioxide, as an insecticide 139-153 



destnictive to living plants 139, 140, 142 



fumigation of flour 154 



preparation and application with Clayton apparatus 140-141 



various uses as Clayton gas 140 



forms used in preparation of lime-sulphur wash 154-155 



fumes, bleaching and tarnishing action in presence of moisture 139- 



140, 146, 148, 149 



destructive action on vegetation explained 139-140 



fumigation, in destruction of Stegomyia calopvs 139 



i-emcdy for Tetranychus rjlovoi 81 



trioxide, formation in atmosphere from sulphur dioxidi' 139-140 



"Sweet fern." {See Myrica asplenifolia.) 



gum, egg punctures of Cicada erratica 57 



food plant of Malacosoma disstria 79 



Symons, T. B., paper, " Entomological Notes from Maryland " 82-84 



Syrphiis sp., sulphur dioxide as insecticide 145 



Tabaniis lineola. {See also Horseflies.) 



in New York 90 



Tags, for boll-weevil records in field cages 115 



Tarred paper disks, inefi'ective against Pegomya brassicse 88-89 



Tea, plantations, exempt from Acridium purpuriferurn 174 



Temperature, efl'ects on boll weevil, apparatus for study 113-114 



Tenebrio, sulphur dioxide as insecticide 143 



larvae, hydrocyanic-acid gas as insecticide 154 



Tenebroides mauritanicus, sulphur dioxide as insecticide 148 



Tent caterpillar. (See also Malacosoma amencana.) 

 forest. (See Malacosoma disstna.) 



Podisus. maculiventris an enemy 155 



Tetranychus gloveri, kerosene emulsion a remedy 81 



on cotton in Georgia 81 



sulphur a remedy 81 



Texas, entomological notes for 1905 67-69 



fever, Federal control. - - 101-102, 105, 106 



Theobald, Fred. V., paper, " The Curiant Root-Aphis " 166-170 



Thistles, food plant of Vanessa cardui 85 



Thyridopteryx ephemerseformis, in Ohio -_ 74 



Tick, cattle. (See also Boophilus anmdatus.) 



possibility of extermination 106 



relation to Texas fever 106 



is some species a conveyor of spotted fever* 17 



Tineids, bred from cotton in Hawaii 64 



