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throughout much of the infested zone. Injury showed up most prominently 
following several weeks of hot, f Jry weather late in the month. • 
Maryland. E. N. Cory (July 27): . Elm leaf beetle infesting elm at East on. 
MOURNING-CLOAK BUTTERFLY ( Hamadryas antiopa L.) 
Utah. G. E. Knowlton (August 2U) : Larvae of the mourning-cloak butterfly 
have damaged elms at Logan, Brigham, and Salt Lake City. 
C. J. Sorenson (August 22): At Logan, Cache County,, the spiny elm 
caterpillar damaged a few Siberian elms. 
ELM LACE3UG ( Corythucha pallida ulmi 0. & D. ) 
Vermont. H. L. Bailey (August 19): Very -abundant on elms in Rutland County, 
southwestern Vermont. Foliage of many trees is completely yellowed. 
Massachusetts and. Connecticut. E. P. Felt (August lU): Has been -increasing 
in numbers for the past 10 years along automobile -route #7, especially 
from near New Milford, Conn.., to Great Barrington, Mass. The infestation 
is restricted practically to trees growing in thickets or grassy areas. 
Connecticut. W. E. Britton (August 23): This lacebug has been rather prevalent 
on elm trees in the northwestern portion of Litchfield County, according 
to Wallace. Specimens were recently received from Kent. 
Florida. J. R. Watson (August. 23): Has.. quite generally browned the elm tree. 
EUROPEAN ELM SCALE ( Gossyparia spuria Mod.) 
New York. R. E. Horsey (July 27): I found adults, moving young, and shriveled 
scales that had hatched earlier in the season on elm at Rochester today. 
Maryland. E. i\y. Cory (August): Noted on elm in Dickerson. 
Indiana. J. J. Davis (August 23): Continued reports from the northern half of 
the State emphasize the increasing importance of this pest. 
FIR 
DOUGLAS FIR TUSSOCK MOTH ( Homerocanpa pseudotsugata McD. ) 
Idaho. J. C. Eyenden (August g): An outbreak at Hailey, in sotithern Idaho, 
was reported in 193&, «it which tine there wore some small spots of in- 
festations. The 1937 infestation indicates a marked increase in- the 
size of the infested area as \7ell as in the severity of the defoliation. 
An outbreak of Nepytjia canosaria Walk, is associated with the epidemic 
of the Douglas fir tussock moth. This insect is quite numerous and will 
aid in the defoliation of the trees. 
