INDEX. 



PAGE 



Abstracts of papers 229 



Alder fleabeetle 150 



Altica, biology of Maine species 149 



corni, biological history 162 



control 173 



description of the stages 156 



distribution 164 



food plants 170 



natural enemies 173 



seasonal history in Maine 163 



definition of terms used 153 



key to Maine species 154 



new species 150 



rosae, biological history 176 



control 182 



description of the stages 174 



distribution 177 



food plants 181 



natural enemies 182 



seasonal history in Maine 177 



species discussed 150 



torquata, biological history 196 



control 202 



description of the stages 194 



distribution 197 



food plants 201 



natural enemies 202 



seasonal history in Maine 196 



Altica ulmi, biological history 184 



control 193 



description of the stages 182 



distribution 186 



food plants 192 



natural enemies 193 



seasonal history in Maine 185 



Animal husbandry investigations 205 



Announcements vii 



Aphidae, food plant catalogue 47 



Aphids, eastern 45 



