Aphiidae 187 



A. forbesi Weed. LI: Maspeth, Je, on Fragaria virginiana (01s). 



A. gossypii Glover. Melon Aphis. Albany, Aug, SHPeck ; Fredonia, Hayhiirst ; 



Menands, Aug (Felt); Ithaca; NYC, Jl (Gill); LI: Maspeth, Oct, on 



Hibiscus syriacus (01s). Common and widely distributed in the State. 

 A. helianthi Mon. Ithaca, on sunflower (Morr) ; Blissville, Oct, Nov, on Helian- 



thiis rigidus. Probably widely distributed. 

 A. maidis Fitch. LI: Orient Pt., Nov, on corn. Lath (NYS). 

 A. lutescens Mon. LI: Winfield, Je, on milkweed (Ols). 

 A. pomi DeG. Apple Aphid. LI: Wading R. (Ols). A widely distributed, very 



common, and occasionally rather destructive, orchard pest. 

 A. pseudoavenae Patch. Ithaca, Mar, in greenhouse on wheat, Griswold (Patch). 

 A. rumicis L. Bean Aphid. Albany; Port Kent, May; Geneva, Je (Gill) ; Elmira, 



Sep, on buckwheat (Cy) ; Ithaca (Morr) ; LI: Maspeth, Je, on Arctium. 



lappa, Oct, on Cheno podium sp. (Ols). 

 A. sanborni Patch. LI: Maspeth, May, on Samhucns canadensis. 

 A. spiraecola Patch. Albany; Geneva, Je-Jl (Gill). 

 A. salicicola Thos. Albany; Geneva, on willow (Gill). 



A. illinoisensis Shimer. Grape-Vine Aphid. Troy, Jl (Leon) ; Middletown, Aug 



(Chap). LI: Maspeth, Je, Jl (Ols). Sometimes injurious to grape. 



Brevicoryne Das 



B. brassicae (L.). Cabbage Aphis. Widely distributed throughout the State. 



Cavariella Del Guercio 



C. pastinaceae (L.) (Siphocoryne) . Ithaca, very common on wild parsnip (Morr) ; 



LI: Maspeth, Nov (Ols), on Lonicera japonica. 

 C. capreae Fab. LI: Maspeth, Jl, on cultivated parsnip (Ols). 



HySTERONEURA Davis 

 H. setariae (Thos.). LI: Maspeth, Nov (Ols), on Digitaria sanguinaJis. 



Hyalopterus Koch 



H. atriplicis (L.). Fredonia, Jamestown, Lilly Dale (Hayhurst), on Chenopodium. 

 H. arundinis (Fab). Mealy Plum Aphid. Fredonia, on plum (Pergande) ; 



probably this species in Montezuma Marshes, HDHousc (Felt), on Phrag- 



mites ; Ithaca, Je, Cy (Patch, as pruni Fab.). 

 H. trirhoda Wlk. Ithaca, Jl, on cultivated columbine, Griswold (Patch). 



LlOSOMAPHIS Walker 



L. rhois (Mon.) {Rhopalosiphnm, Amphorophora) . Ithaca, Je, on the terminal 

 shoots and leaves of sumac (Morr). 



Rhopalosiphum Koch 



R. rubiphila (Patch). Ashokan Reservoir, Je, abundant on wild raspberry plants 

 affected with mosaic, Leon (Patch). 



