188 Aphiidae 



R. pseudobrassicae (Davis). Turnip Aphid. Geneva; Ithaca; LI. Probably 



widely distributed throughout the State, since it is readily confused with the 



common cabbage aphid, Brevicoryne hrassicae (L,). 

 R. prunifoliae (Fitch) (avenae Fab. and Am. auctt.). Apple Grain Aphid. 



Reported from many localities, and undoubtedly present wherever wild or 



cultivated apple occurs in the State. 

 R. angelicae (DelG). LI: Maspeth, Aug (01s), very abundant on Artemisia 



absinthium. 

 R. rufomaculata (Wils.). Ithaca, Dec, in greenhouse on Chrysanthemum indicum 



hybrid, Griswold (Patch). 



Amphorophora Buckton 



A. solani (Thos.). Port Jervis, Je (Felt) ; sometimes prevalent and injurious 

 on potatoes (Felt). Dr. Patch writes: ''A. solani Thomas of most American 

 authors is only Myzus persicae. The type slide is not a Solanum species at all 

 — probably accidental. The description of colony applies to another Solanum 

 aphid." 



Francoa Del Guercio 



F. rosarum (Kalt.) (Mysus rosarvim auct.). Ithaca, Oct, in greenhouse on rose, 

 Griswold (Patch). 



ILLINOIA Wilson 



I. liriodendri (Mon.). Sometimes common on tulip leaves, at least in the vicinity of 

 NYC (Felt). . 



I. pisi (Kalt.) (Macrosiphum). Pea Aphid. Probably widely distributed 

 throughout the State. Definitely recorded from : Albany ; Rensselaer ; LI : 

 Floral Pk. ; Wading R. Pea and red clover, often very injurious. 



I. solanifolii (Ashm.) (Macrosiphum) . Potato Aphid. Widely distributed through- 

 out the State. 



I. lilii (Mon.). LI: Orient, Aug, Lath (Patch), on Lilium canadense. 



Macrosiphoniella Del Guercio 

 M. sanborni (Gill.). Ithaca, Feb, on chrysanthemum (Patch). 



Tritogenaphis Oestlund 



T. chrysanthemi Oest. Sheridan, Hayhnrst (Felt). 



T. rudbeckiae (Fitch). Probably widely distributed throughout the State. Bemis 

 Hgts. ; Albany, Je ; Nassau ; LI : Maspeth, Je-Nov, on Silene noctiflora, 

 cultivated aster, goldenrod, Lactuca, Xanthium canadense, Rudbeckia laciniata, 

 cultivated lettuce (01s); Rockaway Beach, Jl, on goldenrod; Wading R., 

 May, on Antennaria neodioica. 



T. taraxici Kalt. Ithaca, Je, J oh (Patch) ; LI: Maspeth, Je, on dandelion (01s). 



T. solidaginis Fab. Probably widely distributed throughout the State. Albany, Jl, 

 on aster (Gill). 



Macrosiphum Passerini 



M. cornelli Patch. Ithaca, throughout the year, in greenhouse on Pelargonium 

 quercifolium hybrid, P. odoratissimiim, P. domesticum, P. graveolens, P. pelta- 

 tum, and P. radula, Griswold (Patch). 



M. rosae (L.). LI: Maspeth, on rambler rose (01s). 



