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MOURNING-CLOAK BUTTERFLY ( Hanadrya s antiopa L.) 
Maine. H. B. Peirson (June): Light infestation of spiny elm caterpillar 
at Augusta on elm. 
Massachusetts. E. P. Felt (June 2k); Spiny elm caterpillar was reported 
as somewhat injurious on a Pittsfield estate. 
Wisconsin. C. L. Fluke (June 20): Spiny elm caterpillar is unusually 
abundant this spring in the vicinity of Madison, Dane County. 
South Dakota. H. C. Scverin (June 21): The caterpillar of the mourning-cloak 
butterfly is much more abundant than usual in the eastern part of the 
State. 
Utah. G-. F. Knowlton (June 11): Larvae have partially defoliated a number 
of Siberian and American elm trees at Logan. 
WOOLLY ELM APKID ( Eriosona anericanum Riley) 
Rhode Island. A. E. Stone (June 22): Woolly aphids on elms have been 
unusually abundant this season, probably owing to a long period of warm, 
dry weather. 
Wisconsin. E. L. Chambers (Juno 2k); Elm leaves infested with the woolly 
aphid received in large numbers from all sections of the State. Lack 
of rain has apparently given them an unusually favorable season for their 
development. 
Nebraska. M. H. Swenk (June): Humorous reports of injury to elm trees 
by the woolly elm aphid were received from May 21 to June 20, chiefly 
from Washington, Boone, Howard, Hall, Valley, Holt, and Hayes Counties. 
EUROPEAN ELM SCALE ( Oossyparia spuria Mod.) 
New York. R. D. Glasgow (June 17): The European elm scale is reported as 
abundant on elms in parts of Bronxville and also in parts of Albany. 
R. E. Horsey (June): European elm scale was common and noticeable 
on twigs and branches of a number of elms in Rochoster. 
Ohio. T, H. Parks (June): This insect is' as abundant as usual. The first 
young appeared during the week of June 15. 
Wisconsin. E. L. Chambers (June 2k); The European elm scale, not widely 
distributed in southern Wisconsin, is being observed at additional 
points but is not known to be present in more than 20 localities. 
Iowa. C. J. Drake (June 2k); The European elm scale is unusually abundant 
in the southern half of the State. Some trees at Harlan have been 
badly injured. 
