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 SPECIAL INSECTS OF REGIONAL SIGNIFICANCE 



ARMY CUTWORM ( Euxoa auxiliaris ) - KANSAS - Early October blacklight trap catches 

 indicated flight in central and west-central areas. (Bell). 



ASTER LEAFHOPPER ( Macrosteles fascifrons ) - OKLAHOMA - Light, 0-8 per square foot, 

 in small grain in Major County. Heavy, probably this species, in wheat in McClain 

 County. (Okla. Coop. Sur.). 



CORN EARWORM ( Heliothis zea) - KANSAS - Statewide survey conducted during 



September in field corn. Total of 51 of 105 counties included in survey. Greatest 



yield losses occurred in 3 central crop reporting districts (2.1 to 2.6 percent). 

 (Bell) . 



GREENBUG ( Schizaphis graminum ) - WASHINGTON - Distribution increased, with most 

 notable infestations in Benton and Franklin Counties; reported as far north as Lind 

 in Adams County. Ranged 200-400 per row foot in few fields in these areas, 

 October 14. Expect about 10,000 acres to need treatment if increases continue. 

 (Klostermeyer) . NEW MEXICO - Ranged 0-2 per linear foot of wheat in Quay and 

 Curry Counties. (Mathews). TEXAS - Infestations observed in Cottle, Motley, and 

 Dickens Counties. Some controls applied. (Boring). 



CORN, SORGHUM, SUGARCANE 



EUROPEAN CORN BORER ( Ostrinia nubilalis) - ALABAMA - Few larvae observed in late 

 corn at Delta, Clay County. This is a new county record. Light in corn examined 

 in Clay, Randolph, Tallapoosa, and Elmore Counties . (McQueen, Oct. 15). KANSAS - 

 Fall survey showed that percent infested stalks about same as found in 1970. 

 With exception of east-central district, populations generally lower than in 

 1970. (Bell) . 



SOUTHWESTERN CORN BORER ( Diatraea grandiosella) - KENTUCKY - Collected in 

 Edmondson, Simpson, and Allen Counties. These are new county records. (Barnett). 

 KANSAS - Survey in southeast and south-central districts during September indica- 

 ted populations lower in 1971 than in 1970. (Bell); 



SORGHUM MIDGE ( Contarinia sorghicola ) - TENNESSEE - Continues heavy (15+ per head) 

 in late milo in western areas . (Locke , Gordon). 



SMALL GRAINS 



FALL ARMYWORM ( Spodoptera frugiperda) - TEXAS - Infestations did not develop in 

 northern area as expected. Damage continues in Rolling Plains area. (Turney, 

 Boring). OKLAHOMA - Larvae, 20 per linear foot, destroyed large wheatfield in 

 Tonkawa area, Kay County. Ranged up to 20 per linear foot in Major County. 

 Controls planned. Counts of 4 per square foot in Osage County. Heavy in Johnston, 

 Love, Cotton, and Mayes Counties. Destroyed 30 acres of oats in Johnston County. 

 Some spraying reported in Lincoln and McClain Counties. Moderate in Alfalfa, 

 Canadian, and Coal Counties and light in Bryan County. (Okla. Coop. Sur.). 

 MISSISSIPPI - Larvae defoliated field of wheat in Grenada County. (Robinson) . 

 ALABAMA - Light in scattered spots on rye in 100-acre field in Covington County. 

 Volunteer corn in this field destroyed by larvae. Many larvae killed by predators. 

 (Huggins) . 



LESSER CORNSTALK BORER ( Elasmopalpus lignosellus ) - OKLAHOMA - Heavy on wheat in 

 Roger Mills County. Damage severe in sandy fields. (Okla. Coop S'lr.). 



HESSIAN FLY ( Mayetiola destructor ) - KENTUCKY - Heavy infestation on wb-- c planted 

 in mid-September in Fayette County. (Barnett). 



MOLE CRICKETS ( Scapteriscus spp.) - FLORIDA - Damaged newly planted wheat and oats 

 in experimental fields at Quincy, Gadsden County. (Greene). 



