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BLUEGRASS BILLBUG ( Spheiiophorus parvulus ) - IOWA - Collected from lawn at Council 

 Bluffs, Pottawattamie County, by C. Johnson July 7. Identified by R. Roselle. 

 (Iowa Ins. Sur . ) . NEBRASKA - Larvae damaged bluegrass lawns and fairways in 

 several locations of eastern areas. (Jensen, Roselle). 



GRASSHOPPERS ( Melanoplus spp.) - ARKANSAS - Increased in dry western areas. 

 Arrangements made for aerial spraying of some pastures in Washington County. 

 (Boyer) . 



FORAGE LEGUMES 



ALFALFA WEEVIL ( Hypera postica ) - OREGON - Larvae one per 10 sweeps in Pendleton 

 and Pilot Rock areas, Umatilla County. Several fields east of Pilot Rock 

 uninfested. Larvae ranged 2-10 per sweep in Grant County. Adults 1 per sweep in 

 Mt . Vernon and Dayville areas and 2 per sweep at Long Creek. Larvae 11 per 30 

 sweeps in Mitchell area, Wheeler County. Larvae less than 1 per 10 sweeps in 

 Heppner and Ruggs areas. Morrow County. This is a new county record. (Brown, 

 Penrose). IDAHO - Mostly first and second instars, 15-40 percent tip feeding. 

 Adults ranged 6-30 per 10 sweeps at Fairfield, Camas County, June 22. (Hazen, 

 Sutherland) . Larvae 262 and adults 44 per 25 sweeps of alfalfa at Aberdeen, 

 Bingham County, June 11, and larvae 1,223 and adults 26 on June 21. Untreated 

 fields in area severely silvered. (Carpenter). WYOMING - Larvae ranged 170-500 

 per 10 sweeps in 3 uncut fields near Powell, Park County. Much lighter in cut 

 fields; most fields cut. Pupation 60-70 percent where alfalfa cut. Up to 25 per 

 10 sweeps in Goshen County. (Burkhardt) . COLORADO - Still damaging alfalfa after 

 first cutting in Weld County. Control recommended. Pupation should begin in 7 

 days. (Urano) . NEW MEXICO - Generally light at Albuquerque, Bernalillo County. 

 (Heninger) . 



NEBRASKA - Major H, postica larval activity for season appears past. Larvae 0.8 

 per 100 sweeps in 24 Dawson County fields. New adults averaged 12.1 per 100 

 sweeps. (Manglitz) . IOWA - One adult collected per 400 sweeps in alfalfa field 

 in Boone County, July 6, by G. Lentz. (Iowa Ins. Sur.). WISCONSIN - Few adults 

 still active and mid-instars average about 1 per 10 sweeps of alfalfa in southern 

 areas. In Columbia County field, larvae averaged 2 per 10 sweeps. Some feeding 

 damage evident. (Wis. Ins. Sur.). MASSACHUSETTS - Adults 3 per 100 sweeps in 

 Hampshire County field. (Miller). VERMONT - Populations much lighter in most 

 areas; some heavy damage mostly on second cut alfalfa. Parasitism increased. 

 (Nielsen) . 



LYGUS BUGS ( Lygus spp.) - WASHINGTON - L. hesperus and L. elisus adults and 

 nymphs up to 1.5 per sweep in 15 alfalfa seed fields of Touchet and Lowden area, 

 Walla Walla County. (Johansen, Eves). WYOMING - Adults and nymphs 10-60 (average 

 40) per 10 sweeps in uncut alfalfa near Powell, Park County. (Burkhardt). 

 NEVADA - Adults 3-6 per sweep in Reese River, Lander County, alfalfa seed fields. 

 (Hilbig) . ARIZONA - Averaging 800 per 100 sweeps in flowering alfalfa on Yuma 

 Mesa, Yuma County. (Ariz. Coop. Sur.). NEW MEXICO - Lygus spp. averaged 25-150 per 

 25 alfalfa sweeps at Roswell, Chaves County. (Mathews )T MASSACHUSETTS - Adults of 

 L. lineolaris (tarnished plant bug) 52 per 100 sweeps in Hampshire County alfalfa. 

 TMiller) . 



PEA APHID ( Acyrthosiphon pisum) - WYOMING - Ranged 40-120 (average 74) per 10 

 sweeps in uncut alfalfa near Powell, Park County. (Burkhardt). MASSACHUSETTS - 

 Counts of 202 per 100 sweeps in Hampshire County field. (Miller). IDAHO - Ranged 

 20 to 1 cupful per sweep in 22,000 acres of Canyon County, alfalfa. Controls 

 applied. (Homan) . Scattered infestations in Clearwater River drainage in Nez 

 Perce, Clearwater, and Lewis Counties required controls. (Kambitsch, et al.). 

 NEVADA - Ranged 20-40 per sweep in Reese River, Lander County, alfalfa seed 

 fields. (Hilbig). NORTH DAKOTA - Heavy, up to 5,000 per 100 sweeps, on second 

 crop alfalfa in Cass County. (Brandvik) . 



