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MOURNING-CLOAK BUTTERFLY ( Hamadryas antiopa L.) 
H. B. Peirson (June): Observed to be cordon June 16 in Augusta 
and Westbrook. 
A. FA Stene (June 23): Has been sent in from nearly all sec- 
tions of the estate with the report that it is unusually abundant. 
J. N. Knull (June 3): Numerous elm trees in Fran!din County 
have been defoliated. ' 
WOOLLY ELM APHID ( Sri o soma americanum Riley) 
H. B. Peirson (June): The elm aphid was observed June 20 
very abundant through the State. 
M. H. Swenk (June 1 to 20) : Many complaints have been re- 
ceived, especially since June 10, from Phelps, Polk, and Custer 
Counties, west to southern Sheridan and Scott s Bluff Counties, 
a region where these trees are especially valuable. 
ELM COCKSCOMB GALL (Cplopha ulmicola Fitch) 
E. P. Felt (June 24): The elm cockscomb gall was reported 
from Westbury, Long Island. 
J. J. Davis (June 27): The elm cockscomb gall was reported 
abundant during the past month at Brookville , Lowell , and South 
Bend. 
M. H. Swenk (June 1 to 20): From Holt County west to Sheridan, 
Scotts Bluff, and Perkins Counties, are being received numerous 
reports of the deforming of elm leaves. 
EUROPEAN ELM SCALE ( Gossyparia spuria Mod.) 
H. B. Peirson (June): European elm scale observed June 20 at 
Augusta; locally abundant. 
W. E. Brit ton (June 23): Present in usual abundance on young 
trees. 
ELM LEAF MINER ( Kaliosyst)hin^a ulrai Sund.) 
E. P. Felt (June 24): Locally very abundant at Brewster and 
Oyster Bay. In the former case the leaves appeared at a distance 
as though they had been destroyed by fire. 
