SPECIAL INSECTS OF REGIONAL SIGNIFICANCE 



ARMYWORM ( Pseudaletia unipuiicta ) - NEW YORK - Economic in field of no-till corn 

 in Jefferson County. (N.Y. Wkly. Rpt . ) . VIRGINIA - Larval damage heavy to sod- 

 planted corn in Lee and Madison Counties, June 22. (Lyle, Grove). KENTUCKY - 

 General on corn in Hopkins County. Destroyed 50 percent of corn at one site. 

 (Barnett). OHIO - Larvae, all stages, damaged field corn in Medina County. 

 (Thoburn) . Heavy in Ashtabula County. (Anderson). Also reported in Crawford, 

 Auglaize, and Champaign Counties. (Lyon). MICHIGAN - Counts steadily increasing 

 at Lenawee County blacklight station; total of 183 moths collected. Larval 

 damage to small grains generally light, and danger near end. (Newman). Larval 

 damage spotty in few fields of field corn in Ogemaw County. (Ruppel) . WISCONSIN - 

 Larvae remain light in corn, lodged grains, and alfalfa. Surveys in Rock County 

 revealed very heavy parasitism by Apanteles militar is (a braconid). (Wis. Ins. 

 Sur.). MINNESOTA - Moths heavier in light traps. Counts from Lamberton, Redwood 

 County, increased sharply past 7 days. Counts heavier in south-central district 

 light traps. (Minn. Pest Rpt.). NEBRASKA - Larvae average 6 per square foot in 

 bromegrass , Saunders County. Damage limited to small area. (Roselle) . 



CORN EARWORM ( Heliothis zea ) - ARIZONA - Larvae in sorghum at Marana, Pima 

 County, and at Buckeye, Maricopa County. (Ariz. Coop. Sur.). NEW MEXICO - Larvae 

 on 10-100 percent of cornstalks at Carlsbad and Artesia, Eddy County, and at 

 Roswell, Chaves County. (Mathews). Infested 10-30 percent of stalks at Hatch, 

 Dona Ana County. (N.M. Coop. Rpt.). TEXAS - Light on grain sorghum in Caldwell 

 County. Larvae averaged 0.4 per plant in 5 fields in Brazos, Burleson, and 

 Robertson Counties. Reported from several fields in Denton, Collin, and Hunt 

 Counties on grain sorghum. Infestations apparently decreasing. (Cole et al.). 

 OKLAHOMA - Heavy on corn in Cleveland, Garvin, Beckham, and Texas Counties. 

 (Okla. Coop. Sur.). NEBRASKA - Infested 20 percent of corn in one small field in 

 Buffalo County. (Roselle). ARKANSAS - Moth counts on sugarline (0.5 mile of row) 

 by county: Pulaski 1,083 (soybeans, cotton). Moth counts very heavy on sugarlines 

 in Lafayette County. July moth flights peaked in some areas. Occasional larva in 

 blooming sorghum. (Boyer) . TENNESSEE - First through third instars on ears of 

 sweet and field corn in central areas. Infested 40 percent of ears of sweet corn 

 and 10 percent of field corn. (Gordon). ALABAMA - Occasional larva in 10 early 

 grain sorghum fields in Montgomery and Dallas Counties. (McQueen). NORTH 

 CAROLINA - Second-generation larvae increased from 8 to 326 in 500 feet of row 

 (50 feet of row per field in Columbus County); 36 at Clayton, Johnston County, 

 and none in Lewiston, Bertie County. Larval counts expected to increase in 

 Piedmont area. (Hunt). NEW JERSEY - Few moths in light traps statewide. (Ins.- 

 Dis . Newsltr . ) . 



CORN LEAF APHID ( Rhopalosiphum maidis ) - NEW MEXICO - Generally light on corn and 

 sorghum at Carlsbad and Artesia, Eddy County, and at Roswell, Chaves County. 

 (Mathews). TEXAS - Ranged 0-15 per plant in Brazos, Robertson, and Burleson 

 Counties. Beneficial insects heavy and reduced aphid populations. R. maidis 

 increased in grain sorghum in High Plains. Heavy in Hale, Crosby, Floyd, Lubbock, 

 Bailey, Lamb, and Hockley Counties. Light to medium in Terry, Lynn, Carson, and 

 Deaf Smith Counties. (Rummel, Green). OKLAHOMA - Ranged 0-100 per plant of young 

 sorghum in Major, Alfalfa, Woods, Harper, and Ellis Counties. (Okla. Coop. Sur.). 

 KANSAS - Generally, moderate to heavy in whorls of sorghum in eastern Shawnee, 

 western Douglas, and Jackson Counties. Decreased in some fields in Shawnee County; 

 earlier yellowing and reddening of terminal leaves more evident than during latter 

 part of period. (Bell). MISSOURI - Light on sorghum throughout western half of 

 State. (Munson). WISCONSIN - Increased 10 to 20 times at some sites. Colonies 

 containing up to 100 individuals noted in several fields in central areas. 

 Currently, only about 40 percent of plants infested at sites surveyed. (Wis. Ins. 

 Sur.). ILLINOIS - Beginning to appear in corn; but numbers light. (Sur. Bull.). 

 INDIANA - Infestations ranged 0-40 percent in 7 of 22 fields in south-southwest 

 area; 0-20 percent in 5 fields in south-southcentral area; 2 of 7 fields infested 

 lightly in south-southeast area. (Meyer). MARYLAND - Building up in corn in 

 Talbot, Caroline, and Dorchester Counties. Heaviest damage averaged 6 percent in 

 50-acre field near Williston, Caroline County. (U. Md . , Ent . Dept . ) . ALABAMA - 



