Vol, 20 
No. 3 
\ 
INSECT PEST SURVEY BULLETIN 
May 1. 1940 
■ ■ ■ ^m,^ m in mw iii . iii^ W P 
THE MORE IMPORTANT RECORDS EOR APRIL 
The long-winged grasshopper began hatching in parts of jTew Mexico on 
April 11, By the third week in the month approximately 5 percent had 
hatched. Other crop-infesting species in the Oklahoma-Texas Panhandle 
began hatching on April l4 and by the end of the month were 15 percent 
hatched. In Colorado Melanoplus bivittatus and ^ mexicanus began hatching 
on April 29. In Kansas Aeoloplus turnbullii and Aulocara elliotti began 
hatching on April 25. In the more northern States no hatching had taken 
place the first of May, 
White grub beetles started emerging in the lower part of the Mississippi 
Valley early in the month. Grub counts indicate that there will be a heavy 
infestation in parts of Kentucky, 
Wireworms, Ludius pruininus noxius Hyslop, damaged early planted 
potatoes in southwestern Idaho, and severe damage to sugar beets was 
reported from Ventura County, Calif, 
Retarded spring weather has held back chinch bug emergence in the 
East Central States, but the insects in hibernating quarters have apparently 
passed the winter in fairly good condition. In the West Central States 
these insects are more abundant than usual. 
Kansas and Nebraska are both suffering from attack of false v/ireworms 
to small grain. 
Alfalfa weevil was damaging alfalfa in Utah and Nevada and in parts 
of California, 
Pea aphid prevalent on alfalfa in many fields in Utah and Nevada, and 
on peas and vetch in Oregon, Some damage being reported. 
Sugarcane borer suffered very high mortality in Louisiana sugarcane- 
growing sections. 
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