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333T WEBWORM ( Lo-ostege sticticalis L. ) 
North Dakota J. A. Monro (August 22): The only report of the beet webworm 
was from Renville Count; r and stated that the moths are so thick 
that when one walks through the tall grass or sweet clover they 
rise in clouds. There "nave always been a few of them but this 
year they are very numerous. 
North Dakota J. A. Monro and assistants (September): The sugar beet 
webworm was quite abundant, very thick in spots, and did some 
damage to gardens, p^tfed almost entirely on Russian thistle. 
SALT-MARSH CATERPILLAR ( Estigmene acraea Drury) 
Ohio T. H. Parks (September 25): These larvae were attacking 
sugar beets in Ottawa County during September. They came too 
late to injure the crop seriously, but the beets tops presented 
a very ragged appearance due to the feeding of the larvae. No 
otherf, crops in the neighborhood were reported as being infested. 
ZEBRA CATERPILLAR ( Mamestra pi eta Harr.) 
North Dakota J. A. Monro (September 21): Tiger worms (M. pi eta Harr.) 
were reported on August 22 as damaging sunflowers, corn, and 
potatoes at Watford City. Another report, received under date 
of August 25, stated that the worms were very abundant at Hope 
■and that the;- were causing injury to corn. 
Utah G-. P. Knowlton (September 14): The zebra caterpillar* has 
caused moderate damage to sugar beets throughout the season 
in most portions of northern Utah where beets are grown. 
TURNIPS 
TURNIP APHID ( Rhopal o s i ph om pseudobrassicae Davis) 
Ohio T. H. Parks (September 25): Serious injury by turnip aphids 
was observed in a field near Vermilion, September 24. The 
aphids had entered the field from a nearby orchard and had 
traveled about one- third way across the turnips before checked 
by lady beetles and their larvae. At the time of observation 
the aphids were apparently under control by the predators. 
Tennessee J. U. Gilmcre and J. Milam (September 24): Turnip aphids 
destroyed many earlier seedings of fall and winter turnips. 
Mississippi C. Lyle and assistants (September): The turnip louse is 
scarce on fall turnips. 
