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Volume 21 July 2, 1971 Number 27 



COOPERATIVE ECONOMIC INSECT REPORT 



HIGHLIGHTS 



Current Conditions 



ARMY CUTWORM larvae damaged corn in Colorado, sugar beets in North Dakota, and 

 flax in Minnesota. CORN EARWORM larvae damaged grain sorghum in central and north- 

 central Texas, (p. 467). 



GREENBUG increased on grain sorghum in north-central Texas, (p. 468). 



EUROPEAN CORN BORER damage expected in untreated corn in southeast South Dakota. 

 Expect increase in egg masses and larvae soon in Minnesota. Potential high for 

 serious infestations on early sweet corn in Wisconsin. Damage levels increasing 

 on Eastern Shore of Maryland, (pp. 468-469). 



ALFALFA WEEVIL larvae damaged alfalfa in Nevada, Idaho, Wyoming, South Dakota, 

 and New York. (p. 471). 



SPRUCE BUDWORM damage heavy in Pennsylvania and Michigan. JACK PINE BUDWORM 

 defoliation severe in Wisconsin. LARGE ASPEN TORTRIX defoliation extensive in 

 Minnesota, (pp. 475-476) . 



STABLE FLY annoyance severe to cattle in Wisconsin and numbers increasing in 

 Nebraska. FACE FLY increasing in Illinois and egg laying heavy in Missouri. 

 (pp. 477-478) . 



GYPSY MOTH defoliation heavy in Pennsylvania, New Jersey, New York, Connecticut,, 

 and Vermont, (p. 480). 



Detection 



•A PIOPHILID FLY and a CHAMAEMYIID FLY reported for first time from Hawaii 

 (p. 481) and an ERIOPHYID MITE from Oregon (p. 474) are new United States 

 records . 



For new county records see page 481 . 



Reports in this issue are for week ending June 25 unless otherwise indicated. 



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