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North Dakota 
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rtah 
J. A. Munro (June 20): The Colorado potato beetles were 
observed ovipositing at Hillsboro on June 6. Eggs were 
observed on potato plants at Amenia on June 19. Present 
indications point to trouble later on. 
H. 3. Jaques (June 26): The Colorado potato beetle is very 
abundant over the northern third of the State and moderately 
abundant over practically all the rest of the State. 
C. F. Stiles (June 23): This insect is very abundant over 
the entire State. 
R. W. Harned and assistants (June): The Colorado potato 
beetle is reported as very abundant in the southern part of the 
State and destructively prevalent in practically all sections, 
in some cases entirely defoliating the plants. 
W. B. Mabee (June 23): The overwintering adults are more 
than usually abundant. No young have hatched yet. 
POTATO FLEA BEETLE ( Fpitrjx cucurr.eris Harr.) 
J. R. Stear (June 19): A heavy infestation was reported at 
the Eoppers Experimental Farm, Ligonier. The 10-acre field 
of -potatoes was considerably damaged. 
POTATO LEAFHOPPER ( Emooasca fabae Parr.) 
J. J. Davis (June 20): The potato leafho~>per was damaging 
t>otatoes at Fowler June 17. 
ft, A. Price (June 24): The potato leaf homer is scarce. It 
is difficult to find enough for experimental purposes. 
A. G-. Ruggles and assistants (June): The notato leaf hopper is 
reported as very abundant in Fillmore County. 
H. E. Jaques (June 26): The potato leafhopper is re-io"ted 
as very abundant in Buena Vista, Pocahontas, Floyd, Chickc 9aw, 
and Jones Counties and as moderately abundant over other parts 
cf the State . 
POTATO APHID (Il linoia solanif rlii Ashy.) 
Weekly News Letter, N. Y. State Coll. Agr. (June 9): The 
potfto aphid has already made its appearance in Suffolk County, 
two or three weeks ahead of normal. 
POTATO PSYLLIE ( Paratnoza co.-rkerelli Sulc.) 
S, F. Knowlton (June 18): The tomato psyllid is occasionally 
present on -cot-tees in sufficient numbers to cause psyllid yellows 
