186 Aphiidae 



Chaitophorus Koch 



C. populifoliae Oest. Ithaca, on Carolina poplar (Morr). 

 C. viminalis Mon. Geneva, Jl (Gill). 



Periphyllus Van der Hoeven 



P. lyropictus (Kess.)- It is presumably this species which has been extensively 

 recorded in economic literature in recent years as Chaitophorus aceris L. 

 Ogdensburg- (JJDavis) ; Albany, Greene, and Ontario Counties. Probably 

 this is the species which has been very destructive to Norway maples in many 

 widely separated localities in the State. 



P. negundinis (Thos.). Box-Elder Aphid. Newport; Ithaca (Morr); Albany, 

 Jl (Gill) ; Nassau. Box elder. 



Neothomasia Baker 



N. populicola (Thos.). Ithaca (Morr) ; Karner, Jl, abundant on the common aspen; 

 LI: Maspeth, Nov, on Populus sp. (Ols). 



ClAVIGERUS Szepligeti 



C. smithiae (Mon.). LI: Wading R., May, on Salix fragilis (Ols) ; Winfield, Oct, 



on willow (Ols). 

 C. populifoliae (Fitch). "NY" (Fitch). 

 C. salicis (L.). Buffalo, Sep; Karner, Je (NYS). 

 C. saliceti (Kalt.). Ithaca, very common on willow (Morr). 



Tribe APHIINI 



Anuraphis Del Guercio 



A. cardui (L.) {pruni Koch). Sheridan, Hayhurst; Geneva, Je (Gill); Ithaca, 



Oct (Morr); Schoharie, Je ; Rensselaer. 

 A. crataegifoliae (Fitch). Sheridan, Hayhurst. 

 A. maidi-radicis (Fbs.). Albany, on aster (NYS). 

 A. persicae-niger (Smith). Portland (Sling). 

 A. roseus Baker (sorbi Am. auct.). Rosy Apple Aphis. Very injurious in apple 



orchards, and probably generally distributed throughout the State. 

 A. tulipae Boyer (gladioli Felt). Berlin, on gladioli (Felt). 

 A. vibumicola (Gill.). LI: Maspeth, Je, on Viburnum sp. (Ols). 



Aphis Linnaeus 



A. asclepiadis Fitch. Sheridan, Hayhurst; Geneva (Gill). 



A. carduella Walsh. Ithaca, Oct, on Cirsiwn lanccolatum (Morr). 



A. cerasifoliae Fitch. Sheridan, Hayhurst; Geneva, Je (Gill); Ithaca (Morr); 



Albany, Je. Probably widely distributed on chokecherry. 

 A. cephalanthi Thos. LI: Wading R., May, on Cephalanthus occidentalis (Ols). 

 A. coreopsidis (Thos.). Sheridan, Hayhurst; LI: Maspeth, Aug, on Bidens 



frondosa (Ols). 



