462 



Pomona College Journal of Entomology 



Quercus agrifolia Nee. (Live Oak, En- 

 cina). 

 Urepanapliis acerifolii (Thos.) Del. 

 Guer.-Clarke, Can. Ent. XXXV, 

 21.9, 1903. 

 Schizoneura querci Pitch-Davidson, 

 Jr. Ec. Ent. Ill, 374, 1910. 

 Quercus calif ornica Cooper. 



Callipteru.s quercus Kalt.-Davidson, 

 Jr. Ec. Ent. Ill, 376, 1910. 

 \Quercus Icelloggii {?). 



Callipterus quercus Kalt.-Davidson, 

 Jr. Ec. Ent. II, 302, 1909. 

 Quercus imbricata. 



Callipterus hyalinus Alonell-Clarke, 

 Can. Ent. XXXV, 24.9, 1903. 

 Quercus lobata Nee. (Valley or White 

 Oak). 

 Callipterus quercus Kalt.-Davidson, 

 Jr. Ec. Ent. Ill, 376, 1910. 

 ^Quercus robur (}). 



Callipterus quercus Kalt.-Davidson, 

 P. C. Jr. Ent. Ill, 399, 1911. 

 Quercus mislizeni A. DC. (Valley Live 

 Oak). 

 Schizoneura querci Fitch-Davidson, 

 P. C. Jr. Ent. Ill, 398, 1911. 

 Radish, Wild see Raphanus saiivus L. 

 Ragweed see Ambrosia psilostachya 



DC. 

 Raiz Colorado see Rumex hymenose- 



palus Torr. 

 Ranunculus californicus Benth. (But- 

 tercup). 

 Pempliigus ranunculi Davidson, Jr. 

 Ec. Ent. Ill, 373, 1910. 

 Raphanus sativus L. (Wild Radish). 

 Aphis brassicae L. Essig. In Coll. 

 Red Dock see Rumex. 

 Rhamnus calif ornica Esch. (Buck- 

 thorn). 

 Macrosiphum rhamni Clarke, Can. 

 Ent. XXXV, 254, 1903. 

 Rock Maple see Acer saccharinum 



Wang. 

 Rosa sp. (Rose). 



Macrosiphum rosae L. Davidson, Jr. 



Ec. Ent. II, 304, 1909. 

 Myzus rosarum Walk. -Morrison in 

 litt. 

 Rosa calif ornica C. & S. (Wild Rose). 

 Myzus rosarum Walk. -Davidson, Jr. 

 Ec. Ent. Ill, 379, 1910. 



tQuercus douglasll H. & A. (?). 

 {Quercus rubra L. (?). 



Rumex sp. (Red Dock). 



Pemphigus betae Doane-Clarke, Can. 

 Ent. XXXV, 248, 1903. 



Rumex hymenosepalus Torr. (Raiz Col- 

 orado, Canaigre). 

 Pemphigus bet« Doane-Clarke, Can. 

 Ent. XXXV, 248, 1903. 



Rumex occidentalis Wats. 



Pemphigus betae Doane-Davidson, 

 Jr. Ec. Ent. II, 299, 1909- 



Sage see Arteviisia californica Less. 



St. George's Herb see Valeriana offici- 

 nalis L. 



Salix sp. (Willow). 



Chaitophorus nigrae OestI.(?) David- 

 son, Po. Jr. Ent. Ill, 398, I91I. 

 Chaitophorus viminalis Monell- 

 Clarke, Can. Ent. XXXV, 248, 

 1903. 

 Macrosiphum californica Clarke, 



Can. Ent. XXXV, 254, 1903. 

 Melano-xantherium rufulus (David- 

 son) Davidson, Jr. Ec. Ent. II, 

 301, 1909. 

 Melanoxantherium saliceti (Harris) 

 Davidson, Jr. Ec. Ent. II, 300, 

 1909. 

 Siphocoryne salicis Monell-David- 

 son, Jr. Ec. Ent. II, 303, 1909. 

 Salix fluviatilis Nutt. (Narrow-leaved 

 Willow). 

 §Lachnus viminalis Boisduval-Essig. 

 In Coll. Det. by J. T. Monell. 

 Scrophularia sp. 



Phorodon scrophulariae Thos. -Clarke, 

 Can. Ent. XXXV, 252, 1909. 

 ■'•'lenecio vulgaris L. (Groundsel). 



Aphis bakeri Cowen ( .')-Davidson, 



Jr. Ee. Ent. Ill, 377, 1910. 

 Myzus persicff Sulz. -Davidson, Jr. 

 *Ec. Ent. Ill, 378, I910. 

 Shepherd's Purse see Bursa bursa- 



pastoris Britton. 

 Silver Maple see Acer dasycarpum 



Ehrh. 

 Silver Pine see Pinus sabiniana 



Dougl. 

 Snowberry see Symphoricarpus race- 

 mosus. 



Soft Maple see Acer saccharinum 

 Wang. 



§See Tuberolachnus viminalis (Boyer) 

 Mord. in Synonyms at end. 



