,._ 437 - 
throughout the counts’ - , some areas being worse than others, (July 2l): 
In western New York aphids have been seen in moderate numbers on potatoes 
in Genesee Counts' - , and are present in most Wayne County fields. Very 
prevalent on tomatoes in Uijjjgara County on June 30* 
Ohio, T, H, Parks (July 24): M, solanifolii has seriously damaged a well- 
sprayed field of potatoes in Lake County, in the northeastern part of 
the State, 
Colorado, M. A. Palmer (July 9): Green peach aphid ( Hyzus persicae Sulz.) 
found abundant on tomatoes and potatoes about Port Collins, 
G, M. List (July 21 ): M, persicae unusually abundant during the latter 
part of June and the early part of Jills’ - in northern Colorado, on tomatoes, 
potatoes, and cabbage. Infestation has largely disappeared during the 
last 10 days, 
Utah, G. P, Knowlton, et al, (June 30) : M. persicae is moderately abundant 
on potato plants at Farmington. (July 11 ) : M. persicae was abundant 
on potatoes in the Morgan area and moderately abundant on potatoes in 
the Huntsville, Eden, Liberty, Ogden, Plain City, Echo, and Devils 
Slide areas, (July 12); Only an occasional specimen of M. convolvuli 
Kltb. was encountered on potato and tomato plants examined in northern 
Utah, (July l6): Moderate infestation of M. persicae on sugar beets 
in northern Utah, 
POTATO LEAFHOPPER ( Enpoasca fabae Harr. ) 
Hew York, H, Y» State Coll. Apr. Hews Letter (July l4): On Long Island 
leafhoppers are in evidence at Hiverhead where little or no hopperburn 
has developed in most potato fields; however, in Hassau County they are 
present in large numbers in some fields, much hopperburn being observed 
in one fiold. . 
Pennsylvania. B. P. Coon (July 11 ): Very abundant on potatoes at Lancaster. 
Blight becoming very apparent, following a. week of wet, cold weather. 
Tennessee. G. M. Bentley (July 22): Present in untreated areas. 
Minnesota. A. G. Rugglcs and assistants (July): Moderately abundant in 
Mahnomen arid Ramsey Counties, and very abundant in Faribault County. 
Horth Dakota. J. A. Munro (July 25) J Moderately abundant at Grand Porks. 
Hobraska, H. D. Tate (July 17 ) • Comparatively heavy populations are pres- 
ent and injury is noticeable in eastern Hobraska. 
Utah. G. S. Stains ‘and G. P. Knowlton (July ll): E. filamenta, De L. moder- 
ately abundant, causing white spotting of the foliage, in the Morgan, 
Ogden Valley, and Plain City areas. 
