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 forbesii, relations with ants 40 



gossypii, in New Hampshire 75 



on cotton in Georgia 81 



garden crops in Texas 68 



Hibiscus esculentm 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.) 



pomi, in Georgia 79 



southern grain. (See ToxopUra graminum.) 

 woolly. (See also Schizoneura lanigera.) 



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 Schizura concinna.) 

 yellow-necked. (See Datana ministra.) 



food plant of Carpocapsa pomoneUa 83, 89 



Cingilia catenaria - 74 



Conotrachelus nenuphar 72, 85 



Eyphantria cunea 42 



Lepidosaphes ulmi 79, 83 



Lygus pratensis 7S 



Malacosma disstria 79 



Schizoneura fodiens — 167 



lanigera 78 



Scolytus rugulosus 68 



maggot. (See Rhagoletis pomoneUa .) 



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



tent caterpillar. (See Malacosoma americana.) 



Aramigus fulleri, in Hawaii . . - 64 



Aristolochia, food plant of Ithobalus polydamas . 70 



Army worm. (See Heliophila unipuncta.) 



fall. (See Laphygma frugiperda .) 



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 syringx 85 



sawfly larva 85 



Aspen, American. (See Populus iremuloidei.) 



