- 601 - 



Bakersfield area of Pecos County; larval counts of 1-2 per whorl. (Green et al.)- 

 OKLAHOMA - Heavy on sorghum in Oklahoma and Wagoner Counties and moderate in King- 

 fisher, Grady, Garfield, and Okmulgee Counties. (Okla. Coop. Sur.). ILLINOIS - 

 Continues to feed on late-maturing corn and grain sorghum, particularly in 

 southern half of State. (Sur. Bui.). MARYLAND - Infestations ranged 8-36 percent 

 in Frederick County. (U. Md., Ent . Dept.), TENNESSEE - Moderate to heavy damage 

 to some late-planted corn in middle and western areas. Feeding in whorls. Control 

 difficult due to rain and muddy fields. (Gordon). 



WESTERN BEAN CUTWORM ( Loxagrotis albicosta ) - SOUTH DAKOTA - Moth collections 

 increased in blacklight trap near Oral, Fall River County, compared to 1970. 

 From July 17 to 23, moth averaged 78 per night. Increase of 10-fold over nightly 

 collections at same time in 1970. During early July, moth collections built up 

 from 5 per night to 13 per night. (Calkins). KANSAS - Larvae light in one corn- 

 field by county: Sheridan, Cheyenne, Wallace, and Greeley. Infestation in 

 Sheridan County is a new county record. Determined by M. Shuman. (Bell). 



SORGHUM WEBWORM (Celama sorghiella ) - OKLAHOMA - Moderate on sorghum in Okmulgee 

 County. (Okla. Coop. Sur.). MISSISSIPPI - Larvae ranged 25-30 per head in grain 

 sorghum for silage in Noxubee County. (Robinson). 



NORTHERN CORN ROOTWORM ( Diabrotica longicornis ) - NEW JERSEY - Adults increasing 

 on field corn and other hosts throughout central and western parts of State. 

 (Ins.-Dis. Newsltr.). MARYLAND - Adults increasing on corn silks in Frederick and 

 Kent Counties. (U. Md., Ent. Dept.). 



WESTERN CORN ROOTWORM (Diabrotica virgifera ) - SOUTH DAKOTA - Adults damaged 

 silks on late-planted corn in eastern Custer County. Adults 5-7 per plant on corn 

 following corn and on first— year corn^ adults 1-2 per plant. Populations similar 

 in eastern Fall River on Angostora Irrigation Project. Some controls to be 

 applied. (Jones, Rieckman) . In northern Moody County, adults 8-10 per plant in 

 some fields. (Fransen, Lathrip) . ILLINOIS - Specimens recovered from corn in 

 Christian County, by W.R. Harryman, July 23 and in Menard County, by E. Rankin, 

 July 28, 1971. These are new county records. (111. Ins. Sur.). 



CORN ROOTWORMS (Diabrotica spp.) - WISCONSIN - Continues to increase; most emerged 

 in southern counties. Individual fields with 10 adults per ear noted in Rock 

 County. D, virgifera (western corn rootworm) dominant in southwestern areas. 

 (Wis. Ins. Sur.) . KANSAS - Adult averages per plant in corn surveyed in counties 

 indicated (fields per county in parentheses): Doniphan 1.2-4.7 (5); Brown 0.2-2.1 

 (5); Wyandotte 2 (1); Leavenworth 1-5 (3); Linn 3-11 (2); Franklin 2-4 (4); 

 Anderson 8-10 (2); Wilson 0.1 (1); Montgomery 0-0.1 (2); Greeley 0-1 (2); Wallace 

 1 (1); Thomas 0.5-0.8 (2); Sheridan 1 (1); Graham 1 (1); Decatur 2 (1); and 

 Rawlins 3.3 (1). (Bell). 



LESSER CORNSTALK BORER ( Elasmopalpus lignosellus ) - SOUTH CAROLINA - This species 

 and unspecified wireworms destroyed 50 acres of grain sorghum in Horry County; 

 fields replanted in grain sorghum, damage again appearing. (Witherspoon) . 



SORGHUM MIDGE ( Contarinia sorghicola ) - MISSOURI - Adults 3-4 per head on small 

 acreage of grain sorghum in bloom in Pemiscot County. (Craig). MISSISSIPPI - Light 

 in Clay County. Averaged 2 adults per row foot in 2 fields of grain sorghum in 

 Jefferson County; 10 per row foot in field of sorghum for silage in Noxubee 

 County, with adult emergence noted from several heads in this field. (Robinson) . 



BANKS GRASS MITE ( Oligonychus pratensis ) - TEXAS - Very light observed in High 

 Plains and Trans-Pecos area. Very light in Swisher and other Panhandle counties. 

 (Neeb et alo). OKLAHOMA - Heavy and still increasing on corn in Texas County. 

 Lower 2 leaves show considerable damage in some fields. (Okla. Coop. Sur.). 

 COLORADO - Present in many cornfields statewide but local rains keeping numbers 

 low in many areas. (Hantsbarger) . 



