HOST INDEX TO CALIFORNIA PLANT LICE, II 

 (APHIDIDiE) 



E. 0. ESSIG 



SECRETARY STATE COMMISSION OF HORTICULTURE 



SACRAMENTO, CALIFORNIA 



The first and original index was a compilation of all that could be found 

 in literature of California Aphidida^ as well as all of the notes made from the 

 ohservations of the writer, and was published in Pomona College Journal of 

 Entomology, Vol. Ill, No. 2, pp. 457-464, :\Iay, 1911. 



The following includes som-e which were overlooked in the last article 

 and new species, all of which have not been reported heretofore: 



Alnus rhombifolia Xutt. (Alder) 

 MyzocaUia alni (Fab.) Pass. Santa Paula, Cal., August 16, 1911. 



Artemisia californica Less. (California Sage) 

 Mucrosiplnnii frigidac Oestl. P. C. Jr. Ent., Ill, 548, 1911. 



Ash see Fraxinus dipetala H. & A. 



Aster sp. 

 Macros! pint ni nulbcckiac (Fitch). Santa Paula, Cal., August 15, 1911. 



Astragalus leucopis Torr. (Loco Weed) 

 Aphis incdiaigitns Koch. P. C. Jr. i]nt., 529, 1911. 



Atriplex canescens tetraptera 



Aphis tilraptd-alis Ckll. Pull. S. Cal. Acad. Sci., I, No. 4, April 1, 1902 



Boston Fern sec Nephrolepis exaltata 



Buttercup see Ranunculus californicus Kenth. 



California Sage see Artemisia californica Less. 



Ceanothus hirsutus Xutt. 

 Aphis ccanolhi-hirsiili Essig. P. C. Jr. Ent., Ill, 527, 1911. 



Chrysanthemum indicum L. 



Muvrosiphiiin rudln il,i(i( (Fitch). Santa Paula, Cal., Sci)tciiiber 16, 1911. 



Citrus aurantium L. (( )range) 

 Aj}his cooki E.ssig. Pomona, Cal., April 4, 1909. 

 Aphis gossypii Glover. Santa Paula, Cal., May 17, 1911. 

 Macrosiphum citrifolii (Ashm.). Santa Paula, Cal., April 7, 1911. 

 Myziis prrsicac (Sulz.). Santa Paula, Cal., April 14, 1911. 

 To.roph ro aiiraiitiac Koch. Santa Paula. Cal., .\pril 'A, 1911. 



Citrus limonum L. (Lcnmnj 

 MijZKs persicac (Sulz.) Santa Paula, Cal., April 14, 1911. 

 Toroptera aurantiae Koch. Santa Paula, Cal., April 3, 1911. 



