160 MISCELLANEOUS STUDIES 



Amaranthus (pigweed) 



123. Aphis gossypii Glover 



132. Aphis middletonii Thomas 



104. Bhopalosiphum persicae (Sulz) 



163. Trifidaphis radicicola (Essig) 

 Ambrosia (ragweed) 



146. Aphis senecio Swain 



77. Macrosiphum rudbeckiae (Fitch) 

 Ampelodesma 



68. Macrosiphum granarium (Kirby) 

 Amsinckia (amsinckia) 



146. Aphis senecio Swain 



104. Bhopalosiphum persicae (Sulz.) 

 Angelica (angelica) 



109. Aphis angelicae Koch 



115. Aphis cari Essig 



108. Siphocoryne capreae (Fabr.) 

 Anise, Wild, see Carum 

 Anthemis (chamomile) 



121. Aphis euonomi Fabr. 

 146. Aphis senecio Swain 

 123. Aphis gossypii Glover 



Apple, see Pyrus 

 Apricot, see Prunus 

 Aquilegia (columbine) 



85. Myzus aquilegiae Essig 

 Arbor vitae, see Thuja sp. 

 Arbutus (madrone, strawberry tree) 



103. Rhopalosiphum nervatum Gillette 

 Arctostaphylos (manzanita) 



1. Phyllaphis coweni (Cockerell) 



103. Bhopalosiphum nervatum Gillette 

 Artemisia (sagebrush, oldman, California mugwort, etc.) 



122. Aphis frigidae Oestlund 

 131. Aphis medicaginis Koch 

 137. Aphis oregonensis Wilson 

 146. Aphis senecio Swain 



61. Macrosiphum artemisiae (Fonsc.) 



62. Macrosiphum artemisioola (Williams) 

 72. Macrosiphum ludovicianiae (Oestlund) 



Artichoke, see Cynara 

 Arundinaria (bamboo) 



12. Myzocallis arundicolens (Clarke) 



13. Mysocallis arundinariae Essig 

 Arundo (giant reed) 



12. Mysocallis arundicolens (Clarke) 



13. Mysocallis arundinariae Essig 

 Asclepias (milkweed) 



123. Aphte gossypii Glover 

 135. Aphis nerii Fonsc. 



102. Bhopalosiphum lactucae (Kalt.) 



