194 



Index 



carotee, Aphis, 123. 

 *• Carpocapsa pomonella, 144. 



carysB, Schizoneura, 125. 



Cebrlo bicolor, 100-101 . 

 gigas, 101. 



CebrionineB, 101. 



Cecidoiiiyia, 86, 97. 

 betulas, 86, 141 . 



celtidis-mamma, Pachypsylia, 141. 



Centerensis, Cossus, 140. 



ceparum, Phorbia, 85. 



Cephus pygmseua, 83, 147. 



Cerambycidse, 103. 



cerasi, Myzus, 151. 



cerealis, Aphis, 112. 



Cermatia forceps, 142. 



Chalcidfly, 111. 



chalybea, Graptodera, 85. 



Chaiiliognathus marginatus, 153. 



Cheese mite. 139, 130, 151. 



Chernes Sanborni, 142. 



Cherry aphis, 151. 



Chortophilk betarum. 85. 

 • Chrysophanus Americanus, 108. 



clnctus, Harpactor, 108. 



— Clisiocampa Americana, 85. 



— rubicunda, 91 . 



— sylvatica, 91-93, 147. 

 Coccidee, 144. 

 Cockscomb elm gall, 126. 

 Codling- moth, 144. 

 cceruleocinctus, Julus, 132, 142, 153. 

 Colopha, 151 . 



compressa, 128. 



ulmicola, 127. 

 Colorado potato beetle, 135, 154. 

 Common brown wasp, 135. 

 Common tumble-dung beetle, 108. 

 complanatus, Julus, 133. 



Polydesmus, 133, 142. 

 compressa, Colopha, 128. 

 concavus, Platyphyllus, 135. 

 concinna, CEdemasia, 90, 91, 140, 150. 

 Conotrachelus nenuphar, 85. 

 convergens, Hippolamia, 153. 

 Copodosoma truDcatella, 140. 

 Coprini, 102. 

 Corn saw-fly, 88. 

 Cossus Centerensis, 140. 

 CucujidEe, 100. 

 Curculio, 85. 

 Curculionidse, 106, 139. 

 Currant saw-fly, 44, 88. 

 Currant-worm, 85. 

 Cylas formicarius, 141, 154. 



D. 



Dactolypius destructor, 138. 

 daucia. Aphis, 123, 151. 

 Dermanyssus avium, 129. 

 destructor, Dactolypius, 138. 

 divinatoria, Atropos, 139. 



Dolerus arvensis, 88. 



sp , 140. 

 Dryocampa rubicunda, 91 . 

 Dung beetle, 102-108. 

 Dytiscus fusciventris, 141. 



Harrisii, 141 . 



E. 



Earthworms, 149. 

 egle, Euch£etes, 91 . 

 Elaphidion parallelum, 141, 150. 



sp., 150. 



villosum, 150. 

 ElateridEe, 101,132. 

 elegans, Scythropus. 141. 

 Elm-leaf beetle, 145. 

 Epeira sp., 142. 

 erosa. Acanthla, 110. 



Phymata, 107-110. 

 Euchsetes egle, 91 . 

 Euphoria melancholica, 141. 

 European parsnip plant-louse, 123. 



F. 



Fall web- worm. 93. 

 farinse, Tyroglyphus, 129, 151. 

 femoratus, Metapodius, 153. 

 Feniseca Tarquinins, 125, 126. 

 fervidus, Bombus, 140. 

 fifteen-punctata, Anaitis, 116. 

 fllamentarla, Nematocampa, 136. 

 flmetarius, Aphodius, 103. 

 Flea beetle, 136. 

 Flour mite, 100. 

 forceps, Cermatia, 142. 

 Forest tent caterpillar, 91-93, 147. 

 formicarius, Cylas, 141, 154. 

 fossor, \phodius, 103. 

 fugitiva, Limneria, 90, 140, 150. 

 fuseatus, Poliates, 135. 

 fusciventris, Dytiscus, 141 . 



G. 



Gamasus juloides, 131. 



obovatus, 134. 



sp , 1.34, 153. 

 gibbus, Zabrus, 99. 

 gigas, Cebrio, 101 . 

 Glycobius speciosus, 103-105. 

 Glyphina, 151. 



ulmicola, 126-128, 151. 

 Gooseberry saw-fly, 88. 

 Gortyna nitela, 135, 140, 148, 149. 

 Grain aphis, 84, 112-114, 154. 

 granaria, Aphis, 112, 150. 

 Grapevine beetle, 85. 



scale insect, 146. 

 Graptodera chalybea, 85. 

 Grass-burrowing beetle, 100-101. 

 Grass-infesting mite, 12S-130. 



Ham infesting mite, 151 . 

 Harpactor cinctus, los. 

 Harrisii, Dytiscus, 141 . 



