380 JOURNAL OF ECONOMIC ENTOMOLOGY [VoL 3 



Myzus vinccE Gillette. On the youngest leaves of periwinkle {Vinca 

 major). 



Macrosiplmm tulipw Monell. On petals and leaves of Tulipa. 



Macrosiphum rosea Reaum. Very abundant on the young leaves 

 and buds of cultivated rose. Both the red and green forms are com- 

 mon. I bred Syrphus rihesii from larvse feeding on this Aphid. 



Macrosiphum californicum Clarke. Found occasionally on the 

 young twigs of willows (Salix sp.). 



Macros-iplium pisi Kalt. Taken on Vicia sp., cultivated bean and 

 Urtica Jioloserica. 



Macrosiphum sorichella Monell. On Sonclius oleracea. Not nearly 

 so common on sow-thistle as Rhopalosiphum dianthi. Both insects 

 are to be found together on the same plant. 



Macrosiphum acerifolii Thos. This beautiful insect occurs on Acer 

 dasycarpum. 



Macrosiphum citrifolii Ashm. Taken at Lindsay, Tulare County, 

 in the summer, where it is well held in check by its insect enemies, 

 especially by internal parasites. 



Macrosiphimi orthocarpi Davidson. Found among the flowers of 

 owl-clover {Orthocarpus purpurascens) in April. 



A list of species reported from California which have not been taken by me 



Schizoneura pinicola Thos. ; on Pinus racliata, Berkeley. 



Callipterus coryli Goetze; on hazlenut, Berkeley. 



Aphis calendulicola Monell; on marigold, Berkeley. 



Aphis gossypU Glover; on shepherd's purse, water-melon, New- 

 castle, Watsonville. 



Aphis maidis Fitch; on sorghum and corn, Berkeley, Watsonville. 



Aphis mori Clarke ; on mulberry. 



Aphis alam.edeiisis Clarke ; on greengage, Alameda County. 



Aphis oenother(B Oestl. ; on Oenothera hectiana and Epilohium, 

 Berkeley. 



Aphis persicce-nigcr Smith; on peach and plum, Placer County. 



Aphis sorhi Kalt. ; on apple, Placer County. 



Phorodon scrophularia' Thos. ; on Scrophularia sp. Berkeley. 



Phorodou hmnuli Schrank; on hops and prune in California. 



CJiaitophortis populicola Thos. ; on P. trichocarpa, Santa Paula. 



Lachnus calif ornicus Essig; on pines, Claremont. 



Pemphig^is radicola Essig; on roots of Amaranthus retroflexus and 

 Solanum douglasii. From the description of this species I am in- 

 clined to regard it as synonymous with Pemphigus betce Doane. 



Macrosiphum jasmini Clarke ; on jasmine, Berkeley. 



Macrosiphum lycopersici Clarke; on tomato, Berkeley. 



Macrosiplmm valerianice Clarke ; on valerian, Berkeley. 



Macrosiphum rhamni Clarke ; on Rhammis calif orniciis, Lander. 



Macrosiphum baccJiaridis Clarke ; on Baccharis sp., Berkeley. 



Bibliography of Aphididae 



As Sanborn in his "Kansas Aphidida^" (University of Kansas 

 Science Bulletin, Vol. Ill, No. 8) has so recently given a very com- 



