Volume 21 August 13, 1971 Number 33 



COOPERATIVE ECONOMIC INSECT REPORT 



HIGHLIGHTS 



Current Conditions 



CORN LEAF APHID heavy on corn in Wisconsin and small grains in Wyoming and Utah. 

 GREENBUG heavy on sorghum in South Dakota, Nebraska, Kansas, and increasing in 

 southwest and west-central Oklahoma, (pp. 581-582). 



EUROPEAN CORN BORER moth catches increased in Nebraska and Kansas. Potential 

 for heavy second generation remains in Minnesota and some areas in Illinois. 

 FALL ARMYWORM troublesome on corn and sorghum in several States. CORN ROOTWORM 

 adults increasing and larval damage severe in Wisconsin. WESTERN CORN ROOTWORM 

 damage heavy in Utah and larvae damaged corn in Wyoming, (pp. 583-584). 



BOLL WEEVIL heavy on cotton in south and central Alabama. Controls needed in 

 most west Tennessee fields. BOLLWORMS increasing in Arizona, Arkansas, and west 

 Tennessee. Moth catches heavy in Texas and increased in South Carolina, (p, 587). 



WESTERN YELLOWSTRIPED ARMYWORM economic on lentils and peas in Idaho, (p. 588). 



CONIFER SAWFLIES heavy on pines in Oklahoma; defoliated pines in Florida; and 

 increasing in California, (p. 590). 



Treatment of about 12,000,000 aggregated acres expected to be completed in Texas 

 and Louisiana for vectors of Venezuelan equine encephalomyelitis as of August 

 13. Total of 1,100,000 horses vaccinated in the quarantined States, (p. 591). 



GRASSHOPPERS remain heavy in several States, Controls applied to 58,000 acres in 

 Idaho and 73,355 acres in Oklahoma (pp. 592-593). 



Detection 



•A REDUVIID BUG and an OEDEMERID reported from Hawaii. These are new Western 

 Hemisphere records, (p. 594). 



For new county and island records see page 593. 



Special Reports 



Distribution of Tobacco Flea Beetle. Map. (p. 596). 



Reports in this issue are for week ending August 6 unless otherwise indicated. 



