468 Pomona College Journal of Entomologt 



ADDITIONS AND CORRECTIONS 



Number of the heading of my last study on the Ajiliidida? of Southern California 

 should have been VI and not V. 



On page 400, Vol. Ill, No. I, tiie synonymy of Aphis rudbeckiae should be: 



1906 Macrosiphum rudbeckiae (Fiteh) (Fitch) Thos. 111. St. Lab. Nat. 



Sanb. Hist. No. 2, 4. 



J.., , ^ ^ 1879 S. rudbeckiae (Fitch) Monell, 



1851 Aphis rudbeckiae Fitch, Cat. g^jj ^ g q^^ g^^,^ V, 21. 



Homoptera, N. Y., 66. 1887 Nectarophora rudbeckiae 



1878 Siphonophora rudbeckiae (Fitch) Oestl. Aphid. Minn., p. 83. 



ADDENDUM TO THE SYNONYMY 



Siphocoryne 



Hyadaphis Kirkaldy. 



Mr. Davidson also made other corrections here, which had been done before the 

 article went to press, so are not necessary here. Regarding other important points 

 he wrote as follows : 



Drepanaphis platanoides Schrank. "I have commonly taken the ajjterous ovipa- 

 rous female, but never the winged form." 



Aphis atriplicis L. "I believe there is a record of Aphis atriplicis L. being 

 found in Southern California on Atriplex sp. This is in an old number of the 

 Southern California Academy of Sciences' publications. According to some 

 authors, atriplicis equals rumicis L." 



"I have also a few additional things to suggest. In my first paper I mentioned 

 Pemphigus populicaulis. This was later (as in my second paper) found to be P. 

 populitransversus. As far as I am concerned, the former has not been found in 

 this State." "Similarly Aphis crata?gifolias Fitch was the species I took on Cratae- 

 gus, not cratsfgi, although the latter has very possibly been reported. According to 

 the International Zool. Congress Nomenclature Rules, my Pemphigus ranunculi 

 must be changed and possibly ought to be listed P. sp. (ranunculi preoccupied) 

 or just P. sp. Davidson." 



Accordingly Pemphigus populicaulis Fitch must be struck off from the Host 

 Index for the present. Prof. W. T. Clark reported Aphis crataegi Monell on Cra- 

 taegus sp. in Canadian Entomologist XXXV, p. 249, 1903. 



From Mr. J. T. Monell I have learned that the following synonyms should also 

 be added: 



Chaitophorus viminalis Monell. 



Chaitophorus nigric Oestl. 

 Siphocoryne capreae Fab. 



S. salicis Monell. Or according to later revision as follows : 

 Hyadaphis pastinacae (Linn.) Sellout. 



Siphocoryne caprese Fab. 



S. salicis Monell. 



