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elm COCKSCOMB GALL ( Colopha ulnicola Pitch) 
Michigan. H. Hutson (July 23 ) : Reported from Saginaw, Saint Johns, and 
Plymouth. 
ELM LACEBUG ( Corythucha pallida ulni 0. & D. ) 
Worth Dakota* J. A # Munro (July 25): Moderately abundant at Fango, caus- 
ing noticeable injury to foliage. 
EUROPEAK ELM SCALE ( G ossip aria, spuria Mod.) 
Virginia. A. M. Woodside (July 24): Young scales continued to appear until 
about the end of June on American elm at Waynesboro; damage was light. 
Ohio. E. V. Mendenhall (July 22): Pound on elms in nurseries at Zanesville, 
Muskingum County, causing light damage* 
Utah* G # P. Knowlton (July l6): Specimens submitted on July 12; found 
damaging Siberian elms at Moroni and Manti* (Let. by H. Morrison.) 
In July many limbs of Campordown and large American elms were being 
killed in a garden at Logan. 
PIH 
A LARK APHID ( Dreyfus ia. piccan Ratz*) 
Maine. H. D. Peir son* (July IS): Although spreading slowly, this aphid is 
continuing to increase and extend killing of trees. Generally abun- 
dant along the coast, and sufficiently abundant in a few scattered 
places inland to kill trees, as at Weld and Unity. 
BALSAM TWIG APHID ( Hindarus abiotinus Koch) 
Utah. G. P. Knowlton (July 12): Pir infested o„t Logan. 
HICKORY 
A HICKORY GALL APHID ( Phylloxera, caryao son turn Shim. ) 
Delaware. E. P. Pelt (July 24): Extremely abundant in Wilmington and on 
leaves received from ITewark* 
LARCH 
LARCH S APPLY ( Lygaeonematus erichsonii Etg. ) 
Maine. A. E. Brower (July IS): Larvae and cocoons received since July 1 
from several places in southeastern and northeastern Maine. 
H. D. Peirson (July IS): Found often in adoun dance in localized 
an can in Hancock and Washington Counties. In northern Maine there 
