ENGLISH GRAIN APHID ( Macros iphum avenae ) - IDAHO - Populations of up to 10 per 

 wheat head at Coeur d'Alene, Kootenai County, July 9, reduced to 1 per 10-20 

 heads by lady beetles by July 22. (Stranahan, Portman) . 



FORAGE LEGUMES 



ALFALFA WEEVIL (Hypera postica ) - WYOMING - Counts per 10 sweeps of alfalfa in 

 5 Park County fields ranged 0-50 (average 25), 50-80 (average 65), 30-50 

 (average 40) , 140-180 (average 160) , and 120-200 (average 160) . (Burkhardt) . 

 UTAH - Adults averaged 2 and larvae 1 per 10 sweeps of alfalfa in Logan area of 

 Cache County. (Knowlton) . Caused conspicuous injury in dryer areas of Wasatch 

 County. (Daniels). WISCONSIN - Counts decreased due to cool temperatures. One 

 adult and one last instar collected in Pepin County alfalfa for a new county 

 record. (Wis. Ins. Sur.). 



SWEETCLOVER WEEVIL (Sitona cylindricollis ) - IDAHO - Collected at Sandpoint, 

 Bonner County, and at Rathdrum, Kootenai County, June 20 and at St, Maries, 

 Benewah County, and at Avery, Shoshone County, June 22 on white and yellow sweet- 

 clover. These are new county records. (Portraan) . 



WESTERN YELLOWSTRIPED ARMYWORM (Spodoptera praefica) - NEVADA - All instars 

 averaged 4 per sweep on seedling alfalfa in Fish Lake Valley, Esmeralda County. 

 (Adams, Nishida) . Mostly late instars on 500+ acres in Quinn River Crossing 

 area, Humboldt County; treatment applied. (Rowe) . Treatments applied to 

 unspecified alfalfa acreage in Diamond Valley, Eureka County. (Sharp). Appearing 

 in alfalfa at Lovelock, Pershing County. (Stitt) . 



ALFALFA CATERPILLAR ( Colias eurytheme ) - TEXAS - Moderate to heavy damage in 

 Pecos County alfalfa. (Neeb) . WISCONSIN - Second instars to pupae prevalent in 

 most second-growth alfalfa, ranged 3-6 per sweep over most of State. Many fields 

 being cut. Adults laying eggs. (Wis. Ins. Sur.). 



CELERY LOOPER ( Anagrapha falcifera) - MICHIGAN - Moths within normal limits. 

 Light trap collections indicate increasing population from Berrien County north- 

 ward in counties bordering Lake Michigan. (Newman). 



SWEETCLOVER APHID ( Therioaphis riehmi ) - IDAHO - Colonies found on roadside white 

 and yellow sweetclover July 22 in Shoshone County. This is a new county record. 

 (Portman) . 



PEA APHID ( Acyrthosiphon pisum ) - NORTH DAKOTA - Heavy, up to 200 per sweep, on 

 irrigated second-crop alfalfa in Burleigh County. (Brandvik) . UTAH - Ranged 

 3-35 per 10 sweeps of alfalfa in Logan area of Cache County. (Knowlton). 



SOYBEANS 



MEXICAN BEAN BEETLE ( Epilachna varivestis ) - MARYLAND - Counts (1-3 per row yard) 

 indicate controls needed in several fields in Wicomico and Worcester Counties. 

 Adults ranged from less than one to 3 per 10 row feet in most fields in other 

 Eastern Shore counties. (U. Md., Ent . Dept.). VIRGINIA - New adults emerged, 

 counts at low levels in Nansemond County. (Smith). Damage in southern Tidewater 

 area very light. (Allen). 



BEAN LEAF BEETLE (Cerotoma trifurcata ) - MISSISSIPPI - Moderate to heavy in 

 Monroe County. Infestation associated with light to moderate infection level of 

 bean pod mottle disease. (Robinson). KENTUCKY - Adults averaged 20 per 100 sweeps 

 in Carlisle County. (Barnett) . 



THREECORNERED ALFALFA HOPPER ( Spissistilus festinus) - ALABAMA - Treated 300 

 acres of soybeans in Crenshaw County. (Smith, Henderson). MISSISSIPPI - Moderate 

 lodging in one field in Noxubee County. Heavy lodging in 2 Oktibbeha County 

 fields. (Robinson). 



TWOSPOTTED SPIDER MITE ( Tetranychus urticae ) - MISSOURI - Moderate and damaged 

 soybeans in northeast area. (Thomas) . 



