- 532 - 



damaged many elms along streets and on lawns in northern areas. (Magnusson et 

 al.). TEXAS - Damage reported moderate to heavy to Chinese elms in Reagan County. 

 (Neeb) . NEW MEXICO - Widespread damage noted in cities and villages throughout 

 Rio Arriba County. (Heninger) . UTAH - Damaging at Delta, Millard County (Davis), 

 Orangeville, Emery County (Roberts), and some areas of Salt Lake, Weber, and 

 Cache Counties (Knowlton) . 



AN ARMORED SCALE ( Lopholeucaspis japonica ) - DELAWARE - Collected on Japanese 



red maple at Wilmington, New Castle County, May 26, 1971. Collected and determined 



by D.F. Bray. This is a new State record. (Burbutis) . 



REDHEADED PINE SAWFLY ( Neodiprion lecontei ) - SOUTH DAKOTA - Larvae defoliated 

 young pines in section of planting near Rosebud, Todd County. Controls applied. 

 (Kantack) . RHODE ISLAND - Damaging pines in nursery in Bristol County. (Relli) . 



MAN AND ANIMALS 



SCREWWORM ( Cochliomyia hominivorax ) - Total of 13 cases reported in U.S. July 

 4-10 as follows: TEXAS - Dimmit 1, Menard 1, Starr 2, Bowie 6, Jim Wells 1, 

 Refugio 1; ARIZONA - Pima 1. Total of 96 cases reported in portion of Barrier 

 Zone in Republic of Mexico. During period July 11-17, total of 8 cases reported 

 in U.S. as follows: TEXAS - Bowie 6 Kimble 1; ARIZONA - Santa Cruz 1. During 

 same period, 138 cases reported in portion of Barrier Zone in Republic of Mexico 

 as follows: Sonora 15, Chihuahua 41, Coahuila 12, Nuevo Leon 14, Tamaulipas 56. 

 Total of 43 cases reported in Mexico south of Barrier Zone. Barrier Zone is area 

 where eradication operation underway to prevent establishment of self-sustaining 

 population in U.S. Sterile screwworm flies released: Texas 51,238,000; Ark:ansas 

 3,110,000; Arizona 4,190,000; Oklahoma 150,000; Mexico 84,930,000. (Anim. Health 

 Div.) . 



FACE FLY (Musca autumnalis) - VERMONT - Increasing problem with hot, dry weather 

 in Champlain Valley. (Nielsen, July 13). MARYLAND - Ranged 2-10 per head of 

 dairy cattle near Centreville, Queen Annes County. Ranged 3-5 per head on dairy 

 stock in Hillsboro area of Caroline County. These are new county records. Ranged 

 5-50 per head on unsprayed dairy stock in Frederick, Carroll, Montgomery, and 

 Baltimore Counties. Counts on sprayed cattle in same areas ranged 0-10 per head. 

 (U. Md . , Ent. Dept.). OHIO - Adults ranged 30-55 per head on cattle in Noble 

 County. (Pratt). ILLINOIS - Averaged 30 per animal on pastured cattle statewide. 

 (111. Ins. Rpt.). IOWA - Ranged 2-35 (average 9.2) .per face on untreated cow 

 herd in Story County. (Iowa Ins. Sur.). NEBRASKA - Averaged 10 per face on Platte 

 River Valley and canyon area herds. (Campbell). UTAH - Troublesome about many 

 Juab County farms (Esplin) , and to horses and cattle in Davis, Weber, Box Elder, 

 and Cache Counties (Knowlton) . IDAHO - Adults ranged 3-25 per face on pastured 

 cattle in many northern areas; herd averages of 18 per animal observed past 2 

 weeks. (O'Keeffe) . 



HOUSE FLY (Musca domestica ) - WISCONSIN - Generally heavy statewide; moderate to 

 severe problems reported in dairy barns in all areas. Very heavy on few farms 

 where no chemical controls applied. (Wis. Ins. Sur.). 



MOSQUITOES - MINNESOTA - Collected 15,000 in 16 light traps week ending July 9. 

 Aedes vexans in 75 percent of adult and larval collections. Coquillettidia 

 perturbans in 17 percent of light trap collections. Culex tarsalis , vector of 

 encephalitis, found in 10 percent of larval collections. A. vexans dominant in 

 evening bite collections. Spring brood Aedes still abundant in evening and day- 

 time bite collections. Heavy rains occurred July 7, 10, 12, and 14 in many areas. 

 Several broods of A. vexans in water now with heaviest brood resulting from 

 rain of July 7. This brood pupating July 14 and 15; emergence began July 16, will 

 continue through July 19. Adults will increase substantially in all southern 

 areas beginning July 19. Probably will be heaviest brood of season. (Minn. Pest 

 Rpt.). WISCONSIN - Moderate to severe annoyance to dairy cattle in portions of 

 St. Croix, Rock, and Calumet Counties. Moderate annoyance to man in parts of 

 Washburn, Sauk, Columbia, Dane, Bayfield, Walworth, Juneau, Iron, Eau Claire, 



