204 ASSOCIATION OF ECONOMIC ENTOMOLOGISTS. 



Page. 



Stobera sp., sulphur dioxide as insecticide 145 



Strawberry root-aphis. (See Aphis forbesii.) 

 Sugar-cane borer. (See Sphenophorus obscurus.) 



food plant of coleopterous larva?. 70 



Diatrsea saccharalis 70 



Heliophila unipuncta 70 



hemipterous insects 70 



Perkinsiella saccharidda. 65 



leaf-hopper. (See Perkinsiella saccharicida .) 



saved by Coccinella repanda and Platyomns lividigaster 61 



Sugar, not c aten by Lepisma saccharina 174 



Sulphur dioxide, as an insecticide. 139-153 



destructive 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 calopus 139 



remedy for Tetranychus gloveri 81 



trioxide, formation in atmosphere from sulphur dioxide 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 Xotes from Maryland " 82-84 



Syrphus sp., sulphur dioxide as insecticide 145 



Tabanus lineola. (See also Horseflies.) 



in New York 90 



Tags, for boll-weevil records in field cages 115 



Tarred paper disks, ineffective against Pegomya brassicse. 88-S9 



Tea, plantations, exempt from Acridium purpuriferum. 174 



Temperature, effects on boll weevil, apparatus for study. 113-114 



Tenebrio, sulphur dioxide as insecticide 143 



larvae, hydrocyanic-acid gas as insecticide. 154 



Tenebroides mauritamcus , sulphur dioxide as insecticide 148 



Tent caterpillar. (See also Malacosoma americana.) 

 forest. (See Malacosoma disstria.) 



Podisus maculiventris an enemy 155 



Tetranychus gloveri, kerosene emulsion a remedy SI 



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 Currant Root-Aphis" 166-170 



Thistles, food plant of Vanessa cardui 85 



Thyridopteryx ephemerseformis, in Ohio . 74 



Tick, cattle. (See also Boophilus annidatus.) 



possibility of extermination 106 



relation to Texas fever 106 



is some species a conveyor of spotted fever? .' 17 



Tmeids, bred from cotton in Hawaii. 64 



