A SYNOPSIS OF THE APHIDIDAE 159 



APPENDIX 2 



HOST PLANT LIST OF CALIFORNIA APHIDIDAE 35 



Abies (fir) 



45. Lachnus ferrisi Swain 

 47. Laclinus occidentalis Dvdn. 

 176. Mindarus abietinus Koch 

 Abutilon (Indian mallow) 



146. Aphis senecio Swain 

 104. Rhopalosiphum persicae (Sulz.) 

 Acer (maple, box elder) 



5. Drepanaphis acerifolii (Thomas) 

 4. Drepanosiphum platanoides (Schrank) 

 33. Thomasia negundinis (Thomas) 

 Achittea (yarrow) 



79. Macrosiphum solanifolii (Ashmead) 

 Aegopodium (goutweed) 



108. Siphocoryne capreae (Fabr.) 

 Aesculus (California buckeye) 



88. Mysus circumflexus (Buckton) 

 171. Prociphilus venafuscus Patch 

 Alder, see Alnus 

 Alfalfa, see Medicago 

 Alfilerilla, see Erodium 

 Alisma (water plantain) 



156. Siphocoryne nymphaeae (Linn.) 

 Almond, see Prunus 

 Alnus (Alder) 



9. Eucallipterus flava (Davidson) 

 8. Euceraphis gillettei Davidson 

 11. Myzocallis alnifoliae (Fitch) 

 Alopecurus (foxtail) 



68. Macrosiphum granarium (Kirby) 

 88. Myzus circumflexus (Buekton) 

 Althaea (hollyhock) 



121. Aphis euonomi Fabr. 

 Alum root, see Heuchera 



35 In the following list only the generic and common names of the plants are 

 employed, the various species of plants being omitted. Although in certain cases 

 aphids are restricted to certain species, as Eriosoma languinosa Hartig on Pyrus 

 communis but not en Pyrus malus, these are in the minority. The botanical 

 names are taken from the following works, with preference as in the order listed : 



Bailey, L. H., Standard cyclopedia of horticulture, vols. 1-6, New York, Mac- 

 millan, 1914-1917. 



Bobinson, B. L., and Fernald, M. L., Gray's New manual of botany, ed. 7, 

 Cambridge, Harvard University, 1908. 



Jepson, W. L., A flora of western middle California, ed. 2, San Francisco, Cun- 

 ningham, 1911. 



Abrams, LeEoy, Flora of Los Angeles and vicinity, Palo Alto, Stanford Uni- 

 versity Press, 1904. 



