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HORN FLY ( Haematobia irritans ) - WYOMING - Increasing on Albany County cattle. 

 (Pennington) . TEXAS - Moderate to heavy (200 to 1,000 per head) on cattle in 

 Midland, Martin, Reagan, and Pecos Counties. (Green). OKLAHOMA - Heavy on un- 

 treated cattle in Marshall County. Moderate in Cleveland and Cimarron Counties. 

 (Okla. Coop. Sur.). FLORIDA - Adults averaged 94 per dairy animal near Gaines- 

 ville, Alachua County. (Mcllveen). OHIO - Adults averaged 35 per animal on beef 

 cattle in Wayne County. (Molineros). Average 193 on backs of beef cattle in 

 Noble County. (Pratt) . 



FACE FLY ( Musca autumnalis ) - MISSISSIPPI - Remains prevalent on cattle in 

 Monroe County. (Robinson) . OHIO - Adults averaged per head on cattle: 8.6 on 

 beef in Wayne County and 18.5 on dairy (Molineros), and 49 on beef in Noble 

 County. (Pratt) . MARYLAND - Averaged 30 per head on 80 Holstein cows at Knox- 

 ville, Frederick County. (U. Md . , Ent. Dept.) 



STABLE FLY ( Stomoxys calcitrans ) - MARYLAND - Averaged 50 per head on 80 Holstein 

 cows at Knoxville , Frederick County. (U. Md . , Ent. Dept.). WISCONSIN - Heavy in 

 Calumet, Walworth, Adams, and Richland Counties. (Wis. Ins. Sur.). 



TABANID FLIES - TENNESSEE - Horse flies continue heavy across State. Controls 

 ineffective in most instances. (Gordon). 



FEDERAL AND STATE PLANT PROTECTION PROGRAMS 



GRASSHOPPERS - Total acres treated as of August 16 as follows: CALIFORNIA 

 24,192, NEVADA 11,400, WASHINGTON 3,480, and WYOMING 12.960. (PPD) . OREGON - 

 Primarily Melanoplus sanguinipes infested estimated 1 million acres of range- 

 land in eastern areas'! (Goeden) . IDAHO - Control program completed. A total of 

 761,622 acres treated this season. (PPD). SOUTH DAKOTA - Camnula pellucida 

 damaging fields in Custer County (heaviest, 10 miles west of Custer) and in 

 western Pennington County, (heaviest in Deerfield, Rochford area). Ranged 3-100 

 (averaged 20) per square yard in many places. Damage ranges from light to heavy, 

 mostly to grass in meadows and timothy hay crops. Melanoplus bivi t ta tus and 

 M. differen tial is built up in Hughes, Sully, Potter, Walworth, and Campbell 

 Counties. Damage to alfalfa and occasional light damage to borders of fields 

 threatening to be severe in parts of these counties. (Zimmerman). NORTH 

 DAKOTA - Adult survey completed in Sioux, Grant, and Morton Counties showed 

 economic infestations in St. Anthony and Flasher areas in Morton County. Field 

 counts ranged 6-70 per square yard in alfalfa and 4-40 per square yard in field 

 margins. M. femurrubrum and M. dif f erentialis dominant. Light infestations in 

 Leith and Pretty Rock Butte area in Grant County. (Crasser). 



GYPSY MOTH ( Porthetria dispar) - PENNSYLVANIA - Collected 11 adults in trap at 

 East Providence township, Bedford County, by D.J. Marek July 30. Determined by 

 J.M. Murnigham. This is a new county record. (PPD). Percent defoliation ranged 

 5-60 on 506,400 acres in Schuylkill, Berks, Carbon, Pike, Monroe, Northampton, 

 Luzerne, Bucks, Lehigh, Centre, Lackawanna, Susquehanna, and Wayne Counties, and 

 ranged 60-100 on 92,200 acres in Schuylkill, Berks, Carbon, Pike, Monroe, North- 

 hampton, and Luzerne Counties. (Nichols). MARYLAND - Collected 3 adults in trap 

 at Williamsport , Washington County, by C.E. Creek August 16. Determined by E.L. 

 Todd. This is a new county record. VIRGINIA - Collected 1 adult in trap 

 at Gordensville , Orange County, by J.D. Artman August 10. Determined by E.L. 

 Todd. First time trapped in county. (PPD). 



MEXICAN FRUIT FLY - ( Anastrepha ludens ) - CALIFORNIA - A native fly trapped at 

 San Ysidro, August 6, near Mexican border. (PPD). 



JAPANESE BEETLE ( Popillia Japonica ) - KENTUCKY - Adults averaged 12 per cherry 

 seedling in nursery in Carter County. Heavily damaged peach trees, roses, and 



