es. 



- 750 - 



SMALL GRAINS 



FALL ARiMYWORM (Spodoptera irugiperda ) - ILLINOIS - Heavy; damaged 30 of 36 acres 

 of wheat in St. Clair County. (111. Ins. Rpt.). OKLAHOMA - Larvae 25 per linear 

 foot of wheat in Blackwell area, Kay County. Destroyed 50-acre field. Averaged 

 0.5 per linear foot in Eldorado area, Jackson County. Light to moderate infesta- 

 tions in Payne, Kingfisher, Garvin, and Cotton Counties. Still heavy in early 

 November on small grains in Oklahoma County. Declined in Coal and Murray Counti 

 Destroyed 20-acre field of small grain in Johnston County. (Okla. Coop. Sur.). 

 TEXAS - Continues to cause moderate damage to small grains in Archer, Cottle, 

 Foard, and Jones Counties. Decreased in Motley County. (Boring). 



PALE WESTERN CUTWORM (Agrotis orthogonia ) - NEBRASKA - Populations declined in 



1971. Catches at light traps in southwest and panhandle districts in September 

 and October light, indicating light oviposition. Only light scattered infesta- 

 tions predicted for Kimball, Banner, Morrill, Dundy, and Chase Counties in 



1972. (Pruess) . 



LESSER CORNSTALK BORER (Elasmopalpus lignosellus ) - TEXAS - Damaged newly 

 planted small grains in some Wilbarger County fields. (Boring). 



HESSIAN FLY (Mayetiola destructor ) - ILLINOIS - Infested 50 percent of seedlings 

 in 3 early planted wheatfields in Effingham County; killed 25 percent of plants. 

 Two fields replanted. All fields planted about 2 weeks prior to suggested 

 planting date of October 5-8. Clay County damage noticeable. (111. Ins. Rpt.). 



WHITE GRUBS ( Phyllophaga spp.) - MICHIGAN - Damaged fall-sown wheat in Shiawassee 

 County. Young plants clipped below soil surface and generally chlorotic and 

 dying in several fields. Grubs found down to 8 inches deep in soil. Worst white 

 grub injury noted. (Sauer) . KANSAS - Damage severe in Hamilton County wheatfield; 

 damage moderate in Cowley County field. (Bell). 



WINTER GRAIN MITE (Penthaleus major ) - OKLAHOILA - First of season. Up to 10 per 

 linear foot in 2 wheatfields in Payne County. Light to moderate on wheat in 

 Kingfisher County. (Okla. Coop. Sur.). 



TURF, PASTURES, RANGELAND 



A SATURNIID MOTH (Hemileuca tricolor ) - ARIZONA - Larvae heavy on range plants in 

 portion of Cochise County. Not delimited due to rugged terrain. Feeding on white 

 thorn acacia and mesquite. (Ariz. Coop. Sur.). 



SOUTHERN CHINCH BUG (Blissus insularis ) - CALIFORNIA - Adults on Bermuda and St. 

 Augustine grass in Riverside, Riverside County. This is a new county record. 

 Collected by A. Deal on October 5. Determined by G. Buxton. (Cal. Coop. Rpt.). 



SOUTHERN FIRE ANT (Solenopsis xyloni ) - TEXAS - Activity increased throughout 

 central area. Heavy on pastureland in some areas of Brazos and McCulloch County; 

 also detected at Waco, McLennan County. (Green et al.). 



FORAGE LEGUMES 



ALFALFA WEEVIL ( Hypera postica) - WISCONSIN - Adults averaged about 6 per 10 

 sweeps in uncut alfalfa in western Dane, southern Sauk, and northeastern Iowa 

 Counties. Ranged 8-10 per 10 sweeps in heavier soils north of Madison County. 

 Declined from previous period due to cooler temperatures. Larval counts remained 

 fairly consistent but light. (Wis. Ins. Sur.)„ VIRGINIA - Adults and larvae 

 light on alfalfa in Lunenburg, Charlotte, Hanover, New Kent, Dinwiddle, Prince 

 George, Powhatan, and Louisa Counties. (Innes, Tate). OKLAHOMA - Adults light on 

 alfalfa in Payne County. Averaged 2 per 100 sweeps in one field and less than 1 

 per square yard in another. Adults averaged 70 per 25 sweeps of alfalfa in 

 Stephens County; larvae 10 per 25 sweeps. (Okla. Coop„ Sur.)„ TEXAS - Adults and 

 larvae light on alfalfa in Burleson County; adults light in Wharton County. 

 (Latham et al .) . 



