-MI- 
GRATE 
GRAPE LEAFHOFPER ( Erythroneura comes Say) 
New York, N. Y. State Coll. Agr. News Letter (July): In the Hudson V n .lley 
nymphs are hatching rapidly. They are unusually abundant and threaten 
to "become destructive unless control measures are used. In the western 
part of the State they are causing serious damage. A few are winged, "but 
the majority are in the nynphal stage. 
Ohio. G. A, Runner (July): Less than the usual damage to early appearing grape 
foliage in the Sandusky area, caused "by overwintering adults. Hatching 
and development of the first "brood of nymphs earlier than usual. 
Missouri, L. Haseman (July 23): Hoppers are beginning to do some damage to the 
foliage of susceptible varieties. 
South Dakota. H. C. Severin (July): The pest is getting very abundant and is 
causing some damage. 
Nebraska. M. H. Swenk (July 23): The insect was reported as injurious to wood- 
bine vines in Holt County, in northern Nebraska, on July S. 
Utah. G. F. Knowlton (July 9): In north-central Utah, at Farmington, Hoy mid 
Provo, the insects are seriously injuring some varieties of grapes. 
EIGHT-SPOTTED FORESTER ( Alypia octomaculata P. ) 
Michigan. R. Hutson (July 25): Reported on grape at Flint, Genesee County, 
in the Lower Peninsula. 
South Dakota. H. C. Severin (July): Unusually abundant and working on grape 
and related plants. 
Nebraska. M. H. Swenk (July 23): Received from Furnas County, on the southern 
border of the State, on June 27. 
GRAPE BERRY MOTH ( Polychrosis viteana Clem.) 
Ohio. G. A, Runner (July): Damage from first-brood larvae in the Sandusky area 
was more severe than in 1937 owing to concentration of the moths on the 
extremely light crop. Records from overwintered material show winter sur- 
vival of approximately 79 percent. Heaviest emergence of the spring brood 
of moths during the period June 5 to 10, or a^out 2 weeks earlier than 
usual. Emergence of moths of the second brood commenced on about July 20. 
In the field on July 25 nost of the cocoons on tho vines contained pupae. 
A PHYLLOXERA ( Phylloxera sp. ) 
North Dakota. J. A. Munro (July 22): A'severe infestation of phylloxera observed 
on --rapes in Fargo, eastern part of the State, during the first part of 
July. 
