A SYNOPSIS OF THE APHIDIDAE 173 



Ranunculus (buttercup) 



132. Aphis middletonii Thomas 

 104. Rhopalosiphum persicae (Sulz.) 



167. Thecabius californicus (Davidson) 



168. Thecabius populiconduplifolius (Cowen) 

 Raphanus (radish) 



112. Aphis brassicae Linn. 



141. Aphis pseudobrassicae Davis 



104. Rhopalosiphum persicae (Sulz.) 

 Eeed, Giant, see Arundo 



Eeed grass, see Phragmites 

 Rhamnus (buckthorn, coffeeberry) 

 123. Aphis gossypii Glover 



92. Myzus rhamnus (Clarke) 

 Rhus (poison oak) 



105. Rhopalosiphum rhois Monell 

 Ribes (currant, gooseberry) 



126. Aphis houghtonensis Troop 

 134. Aphis neo-mexicana Ckll. var. pacifica Dvdn. 

 89. Myzus cynosbati (Oestlund) 



93. Myzus ribifolii Davidson 

 Robinia (locust) 



131. Aphis medicaginis Koch 

 Rosa (rose, wild and cultivated) 



67. Macrosiphum dirhodum (Walker) 



76. Macrosiphum rosae (Linn.) 

 159. Myzaphis rosarum (Walker) 



103. Myzus nervatum Gillette 

 Eose, see Rosa 



Rose mallow, see Hibiscus 



Rubus (blackberry, loganberry, thimbleberry) 



143. Aphis rubiphila Patch 



57. Amphorophora rubi (Kalt.) 



95. Nectarosiphon rubicola (Oestlund) 

 Rumex (dock, sorrell) 



121. Aphis euonomi Fabr. (rumicis Linn.) 



123. Aphis gossypii Glover 



146. Aphis senecio Swain 



164. Pemphigus betae Doane (?) 



104. Rhopalosiphum persicae (Sulz.) 

 Eye, Wild, see Elymus 



Sagebrush, see Artemisia 

 Sage, Black, see Ramona 

 Salix (willow) 



144. Aphis salicicola Thomas 

 146. Aphis senecio Swain 



29. Arctaphis viminalis (Monell) 

 31. Fullaicaya saliciradicis Essig 



64. Macrosiphum calif ornicum (Clarke) 



30. Micrella monella Essig 



182. Phylloxerina salicola (Pergande) 

 40. Pterocomma flocculosa (Weed) 



