458 



Pomona College Journal of Entomology 



Angelica sp. 



Aphis angelicas Koch. -Wilson, Jr. Ec. 

 Ent II, 348, 1909. 

 Apple see Pyrus mail Linn. 

 Apricot see Prunus armeniaca L. 

 Arbutus mensiesii Pursh. (Madrono). 

 Rhopalosiphuni arbuti Davidson, Jr. 

 Ec. Ent. Ill, 378, 1910. 

 Artemisia caUfornica Less. (California 

 Sage). 

 Aphis medicaginis Koch, Morrison in 

 litt. 

 Arundo sp. (Bamboo). 



Calli]iteriis arundicolens Clarke, Can. 

 Ent. XXXV, 249, 1903. 

 Asclepias mexicana Cav. (Milkweed). 

 Aphis lutescens Monell-Davidson, Jr. 

 Ec. Ent. Ill, 377, 1910. 

 Ash-leaved Maple see Negundo ace- 



roides Moench. 

 Arena sntiva Linn. (Oats). 



Aphis padi L. -Davidson, Jr. Ec. Ent. 

 Ill, 377, 1910. 

 Baccharis sp. 



Macrosiphum baccharidis Clarke, 

 Can. Ent. XXXV, 254, 1903. 

 Baccharis I'ijjiinca DC. 



Macrosiphum rudbeckise Fitch-Essig, 

 P. C. Jr. Ent. Ill, 402, 19H. 

 Bamboo see Arundo. 

 Barberry see Berberis. 

 Basswood see Tilia. 

 Bean see Phaesolus. 

 Beech sec Fagus. 

 Beet see Beta. 



Berberis vulgaris Linn. (Common Bar- 

 berry). 

 Liosomaphis berberidis (Kalt) Walk.- 

 Davidson. Jr. Econ. Ent. Ill, 378, 

 1910. 

 Beta vulgaris L. (Common Beet). 



Trifidaphis radicicola (Essig) Del. 

 Guer.-Essig, Po. Jr. Ent. I, 8, 

 1909. 

 Beta vulgaris L. var. (Sugar Beet). 

 Pempliigus betsp Doane-Clarkc, Can. 

 Ent. XXXV, 248, 1903. 

 Bclula sp. (Birch). 



Callipterus betulaecolcns (Fitch) 

 Monell-Davidson. Jr. Ec. Ent. Ill, 

 376, 1910. 

 Bidens lac vis L. (Marigold). 



Aphis c.-ilendulicola Monell-Clarkc, 

 Can. Ent. XXXV, 250, 1903. 

 Birch see Betula. 



Black Mustard see Brassica nigra 

 Koch. 



Black Walnut see Juglans sp. 



Blue Oak see Quercus douglasii H. 

 4- A. 



Brassica campestris Linn. (Wild Mus- 

 tard). 

 Aphis brassica? L. -Davidson, Jr. Ec. 

 Ent. II, 302, 1909. 



Brassica nigra Koch. (Black Mustard). 

 Aphis brassicse L. -Essig in Collec- 

 tion. 



Brassica oleracea L. (Cabbage). 



Aphis brassica? L.-Davidson, Po. Jr. 



Ent. Ill, 399, 1911. 

 Myzus persicae Sulz, Morrison in litt. 



Bromus secalinus L. (Chess, Cheat). 

 Aphis avenae Fabr. -Clarke, Can. Ent. 

 XXXV, 254, 1903. 



Buckthorn see Rhamnus. 



Burr Clover see Medicago deniiculaia 

 Willd. 



Bursa bursa-pastoris (L.) Britt. (Shep- 

 herd's Purse). 

 Aphis gossypii Glover-Clarke, Can. 

 Ent. XXXV, 250, 1903. 



Buttercup see Ranunculus calif amicus 

 Benth. 



Cabbage see Brassica oleracea L. 



California Sage see Artemisia caUfor- 

 nica Less. 



Canaigre see Rumex hymenosepalus 

 Torr. 



Capsicum aiinum var. abbreviatum Fing. 

 (Celestial Pepper). 

 Mvzus persica? Sulz. -Davidson. Jr. 

 Ec. Ent. II, 303, 1909- 



Carnation see Dianthus caryophi/llum 

 L. 



Castanea sp. (Chestnut). 



Callipterus castanea (Fitch) Gillette- 

 Clarke, Can. Ent. XXXV, 249, 

 1903. 



Cat's Valerian see Valeriana offici- 

 nalis L. 



Ceanothus cuneatus Nutt. 



Aphis ceanothi Clarke-Davidson, Jr. 

 Ec. Ent. Ill, 377, 1910. 



Ceanothus integerrimus H. & A. 



Aphis ceanothi Clarke, Can. Ent. 

 XXXV, 250, 1903. 



Celestial Pepper see Capsicum an- 

 nuum var. ahberviaium Fing. 



Cheat see Bromus secalinus L. 



Chess see Bromus secalinus L. 



