INSECT PEST SURVEY BULLETIN 
Vol. 21 
May 1, 1941 
No. 3 
THE MORE IMPORTANT RECORDS FOR APRIL 
By the middle of April hatching of the lesser migratory grasshopper 
was about complete . in Yuma County, Ariz. Less than 1 percent of the eggs 
of this species had hatched by this time in the Panhandle areas of Okla- 
homa and Texas. No hatching had occurred in the northern half of Kansas. 
During the first week in the month Mormon crickets i^ere reported as 
having hatched in parts of South Dakota, Wyoming, Montanaiand Idaho. Egg 
hatching started in Utah and Nevada at the end of March and on the Pacific 
coast during the last wee k in February, In Franklin County, Wash., by the 
third week in April approximately SO percent of the crickets were in the 
sixth instar and populations ran as high a.s 100 per square yard. 
The army cutworm was in destructive numbers over a wide area extending 
from Montana and Idaho southward to Utah and Colorado and eastward to Nebr- 
aska and Kansas. In Oregon the western army cutworm seriously damaged 
5,000 acres of grain land and 800 acres of grain. 
Damage by May beetles was reported from the East Central States from 
Ohio to Mississippi, In some places damage to tree foliage was appreciable. 
During the second week in April chinch bugs started leaving winter 
quarters in Indiana, Adults in small grain were observed in Oklahoma dur- 
ing the same week. 
Greenbug was reported as doing considerable damage to small grain dur- 
ing the third week in April in Oklahoma and was very abundant in small grain 
in parts of Kentucky. 
Late in the month uea aphid was reported as becoming quite abundant 
in the coastal and Eastern Shore areas of Maryland and Virginia, and from 
moderate to severe damage to alfalfa was reported over a wide area extend- 
ing westward to Illinois and Wisconsin and southward to Mississippi and 
Oklahoma. Reports were also received from Colorado, Utah, and Oregon. 
Clover leaf weevil was generally abundant in the East Central States 
and in parts of Virginia. 
Codling moth passed the winter with but low mortality over the greater 
part of its range. Pupation was well under way by the third week of April 
in New York, Indiana, Illinois, Kentucky, Missouri, and Kansas, The first 
moth of the spring brood was observed on April l4, in Washington', 3 days 
earlier than last year, 
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