184 ASSOCIATION OF ECONOMIC ENTOMOLOGISTS. 



Page. 



Aphididai, descriptive keys 164-166 



relation of descriptions to economical methods of eradication ........ 162-166 



value of nymphs in specific distinction 166 



Aphis jorhesii, relations with ants 40 



gossypii, in New Hampshire 75 



on cotton in Georgia 81 



garden crops in Texas 68 



Hibiscus esculentus 163 



maidi-radicis , danger threatening corn crop 29-30 



early history 30 



food plants 34-35, 37 



injury to corn 35 



life history 31-33 



methods of study 31 



natural checks on increase 36-37 



practical economic measures 37-38 



preventive routine 38-39 



relations with Lasius niger americanus 34-35, 37 



melon. {See Aphis gossypii.) 



pond, in Georgia 79 



southern grain. (See Toxoptera graminum.) 

 woolly. (See also Schizoneura ianigera.) 



tobacco dust a remedy 92-93 



Apiculture, importance to farmer and entomologist 18-20 



teacher of entomology 18-20 



Apis mellifera. {See also Bee, honey.) 



sulphur dioxide as insecticide 144 



Apple aphis. (See Aphis pomi.) 



caterpillar, red-humped. (See Srhisiira concinna.) 

 yollow-necked. (See Datnna ministra.) 



food plant of Carpocapsa pomoneUa 83, 89 



Cingilia cattnaria 74 



Conotrachelus nenuphar 72, 85 



Hyphaniria cunea 42 



Lepidosaphes ulmi 79, 83 



Lygvs pratensis 78 



Malacosma disstria 79 



Schizoneura fodicns 167 



Ianigera 78 



Scolytvs rngvlosus 68 



maggot. (See Rhagoletis pomonella.) 



spraying with lime-sulphur and kerosene-hmoid 136-137 



tent caterpillar. (See Malacosoma amencana.) 



Aramigus fiiUm, in Hawaii 64 



Aristolochia, food plant of Ithohalus polydamas 70 



Army worm. (See Heliophila unipuncta.) 



fall. (See Laphygma fmgiperda.) 



worms, abundance after cold wet spring 91 



Arsenate of lead, remedy for Conotrachelus nenuphar 72 



Arsenic-soda solution, remedy for Acridium. purpuriferum 171-174 



Arsenite of soda, remedy for Acridium purpuriferum 173 



Ash, food plant of Podosesia syringse 85 



sawfly larva 85 



Aspen, American. (See Populus tremuloide&.) 



