Volume 21 July 16, 1971 Number 29 



COOPERATIVE ECONOMIC INSECT REPORT 



HIGHLIGHTS 



Current Conditions 



ARMYWORM larvae damaged corn in New York, Virginia, Kentucky, and Ohio. CORN 

 LEAF APHID heavy on sorghum in Texas; increased in Wisconsin. GREENBUG damaged 

 sorghum in Texas, Oklahoma, and Kansas, (pp. 505-506). 



EUROPEAN CORN BORER troublesome in several States, (p. 507) „ 



PEA APHID heavy in alfalfa in Idaho and North Dakota, (p. 509). 



PECAN NUT CASEBEARER damaged pecans in Oklahoma and Texas, (p. 513). 



SPRUCE BUDWORM troublesome in Wisconsin and Michigan. JACK PINE SAWFLY 

 defoliation heavy in Michigan. LARGE ASPEN TORTRIX larvae damaged aspen in 

 Wisconsin, (pp. 513-514) . 



A GRASS BUG damaged creasted wheatgrass in Nevada, (p. 516). 



GRASSHOPPERS heavy on alfalfa in Nevada, (p. 516). 



Detection 



For new county and island records see page 512. 



Reports in this issue are for week ending July 9 unless otherwise indicated, 



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