A SYNOPSIS OF THE APHIDIDAE 163 



Chaerophyllum 



155. Siphocoryne capreae (Fabr.) 

 Chamomile, see Anthemis 

 Chaparral broom, see Baccharis 

 Charlock, see Brassica 

 Cheeseweed, see Malva 

 Cheiranthus (wallflower) 



88. Myzus circumflexus (Buckton) 

 Chenopodium (lamb's-quarters, pigweed) 



110. Aphis atriplicis Linn. 



123. Aphis gossypii Glover 



124. Aphis hederae Kalt. ( ?) 

 164. Pemphigus betae Doane (?) 

 104. Rhopalosiphum persicae (Sulz.) 



Cherry, see Prunus 

 Cherry, wild, see Prunus 

 Chestnut, see Castanea 

 Chestnut, Horse, see Aesculus 

 Chicory, see Chicorium 

 Christmas berry, see Heteromeles 

 Chrysanthemum (chrysanthemum) 



56. Amphorophora latysiphon Davidson 



123. Aphis gossypii Glover 



146. Aphis senecio Swain 



160. Coloradoa rufomaculata Wilson 



77. Macrosiphum rudbeckiae (Fitch) 



78. Macrosiphum sariborni Gillette 

 Cichorium (chicory) 



71. Macrosiphum lactucae (Kalt.) 

 Cicuta (water hemlock) 



155. Siphocoryne capreae (Fabr.) 

 Cirsium (thistle) 



144. Aphis cardui Linn. 

 Citrullus (watermelon) 



123. Aphis gossypii Glover 

 Citrus (citrus, orange, lemon, etc.) 



118. Aphis cooM Essig 



123. Aphis gossypii Glover 



131. Aphis medicaginis Koch 



79. Macrosiphum solanifolii (Ashmead) 

 104. Rhopalosiphum persicae (Sulz.) 

 152. Toxoptera aurantii (Fonsc.) 



Clarkia (clarkia) 



104. Rhopalosiphum persicae (Sulz.) 

 Clematis (clematis) 



94. Myzus varians Davidson 

 Clover, see Trifolium 

 Clover, Sweet, see Melilotus 

 Coffeeberry, see Rhamnus 

 Columbine, see Aquilegia 

 Compositae (various species) 



131. Aphis medicaginis Koch 



65. Macrosiphum chrysanthemi (Oestlund) 



77. Macrosiphum rudbeckiae (Fitch) 



