192 Aphiidae — Phylloxeridae 



Cerataphis Lichtenstein 



C. lautaniae (Bdv). Ithaca, Dec-Mar, in greenhouse on Sohralia macrantha, 

 Griswold (Patch). 



Family PHYLLOXERIDAE 



SUBFAMILY ADELGINAE 



Adelges Linnaeus 



A. abietis L. Spruce-Gall Aphid. Moderately abundant to injurious from the 

 Adirondacks to Westchester Co and presumably LI, probably occurring in 

 most places where Norway spruce is growing. 



A. cooleyi Gill. Watertown, Jl (NYS) ; White Plains, Aug, on Colorado blue 

 spruce; LI: Westbury, Jl (Felt). 



A. floccus Patch. Star L., St. Lawrence Co, Aug; St. Huberts, Essex Co, Dec 



(Patch). 

 A. piceae Ratz. Rochester, May, on Nordmann's fir, probably a recent introduction 



(Felt). 



A. pinicorticis Fitch. Pine-Bark Aphid. A moderately common species recorded 

 definitely only from Albany, Chenango, Fulton, Saratoga, Dutdhess, Ulster, 

 Putnam, Rockland, Westchester, and Suffolk Counties, but widely distributed 

 and occasionally destructive even to large pine trees. 



A. pinifoliae Fitch (abieticolens Thos.). Pine-Leaf Aphid. Forms a cone-like 

 gall, with the needles modified to thin scales on black spruce, the adults 

 maturing in mid- June and the migrants ovipositing on white pine (Patch). 

 St. Huberts, Jl (Felt) ; Utica, Jl (NYS) ; Woodstock (Felt) ; Berlin, Jan. 



A. strobilobius Kalt. (laricifoliae Fitch). This species has been referred to the 

 European genus Gnaphalodes. The woolly aphid is sometimes very abundant 

 on larch. Reported only from Ontario, Tompkins, Oneida, Dutchess, and 

 Rockland Counties, but presumably somewhat generally distributed and occa- 

 sionally rather injurious. 



subfamily PHYLLOXERINAE 



Phylloxera Boyer 



P. caryaecaulis Fitch. Hickory-Gall Aphid. Widely distributed throughout the 

 State, probably occurring wherever hickory grows and often injurious to it. 

 P. caryae-fallax Walsh. Rochester, Je (Gill). 



P. caryaefoliae Fitch. Salem (Fitch) ; Ithaca (Morr), on Hicoria glabra. 

 P. caryaeglobuli Walsh. LI: Cold Sp. Harb., Je, Luts (NYS). 

 P. caryae-venae Fitch. Rochester, Je (Gill-NYS). 

 P. depressa Shim. Howe Cave, Schoharie Co, Je (NYS). 

 P. foveola Perg. Canandaigua, Je (NYS). 

 P. intermedia Perg. Rochester, Geneva, Je (Gill). 



P. vitifoliae Fitch (vastatrix Rly.). Grape Phylloxera. Moderately common 

 and widely distributed. Recorded from Chautauqua, Onondaga, Ontario, 

 Chenango, Rensselaer, and Ulster Counties. Probably occurs in most sections 

 of the State where grapes grow. 



