- 497 - 



from Warren County. (Barnett) . NORTH CAROLINA - Cocoons of Campoletis perdi - 

 stinctus, a parsite of Heliothls virescens , increasing significantly in 

 northern counties as second-generation H. virescens larvae increase. (Hunt). 



Cereal Leaf Beetle Larval Parasites - NEW YORK - Adults of Tetrastichus julis 

 (a eulophid wasp) and Diaparsis carinifer (an ichneumon) released June 25 in 

 oatfield in Ontario County. Parasitized Oulema melanopus larvae also released 

 throughout infested field where damage evident but not serious. (N.Y. Wkly. 

 Rp t . ) . 



HONEY BEE ( Apis mellifera ) - WEST VIRGINIA - Inspected 1,148 colonies during 

 June; 94 colonies found diseased with American foulbrood, 114 found dead; 86 

 colonies destroyed. (Cochrane). TENNESSEE - American foulbrood found in 

 Cumberland, Polk, Bradley, and Marion Counties during June. Infection widespread 

 in Cumberland County, light in other counties. (Little). 



FEDERAL AND STATE PLANT PROTECTION PROGRAMS 



BOLL WEEVIL ( Anthonomus grandis ) - TEXAS - No weevils detected above Caprock. Few 

 weevils found in earliest planted cotton in Kent County and in older cotton in 

 Stonewall and Haskell Counties. Catches on wing traps did not increase below 

 Caprock. (Rummel et al.). For Boll Weevil in other areas see page 490. 



CEREAL LEAF BEETLE ( Oulema melanopus ) - MICHIGAN - Common in most oatfields in 

 Gladwin County. Control needed in some fields. (Ruppel et. al.). In Presque Isle 

 County, populations heavy enough in 80+ percent of oatfields to need spraying. 

 (Sauer) . 



EUROPEAN CHAFER ( Amphimallon majalis ) - NEW YORK - Adult, larvae, and pupae 

 collected at Whitfield Cemetery near Accord, Ulster County) June 21. (N.Y. Wkly. 

 Rpt.). PENNSYLVANIA - Flight heavy in Erie, Lackawana, and Lehigh Counties. 

 (Eckess, June 20) . 



GRASS BUGS - WASHINGTON - Irbisia pacif icus infested several thousand acres of 

 crested wheatgrass near Reno, Elko County. Seed not developing in head. (Hackett, 

 Retan) . UTAH - Leptopterna f erruga ta , Irbisia sp., and other grass bugs marking 

 giant wild rye and crested wheatgrass in parts of Cache County. Irbisia spp. 

 light on crested wheatgrass in Box Elder County, abundant in Utah County. 

 Stenoderma spp. common on planted grasses in Curlew Valley, Box Elder County. 

 Controls applied to 4,200 acres of planted grasses for Labops hesperius and 

 Irbisia spp. (Knowlton et al.). NEBRASKA - L. hesperius damaged crested wheat- 

 grass in Dawes, Sheridan and Box Butte Counties"! Some local control activity 

 Feeding of Labops spp. noted in Knox, Holt, Keya Paha, Cherry, Scotts Bluff, 

 Sioux, Cheyenne, Deuel, Garden, Morrill, Kimball, Keith, Lincoln, and Custer 

 Counties. (Bell, June 10). 



GRASSHOPPERS - NORTH DAKOTA - Averaged 10 per square yard in weedy and alfalfa 

 ditches in St. Anthony area, Morton County, and near Pretty Rock Butte, Grant 

 County; up to 30 per square yard in alfalfa and grass mixtures in Flasher area. 

 Grant County. Melanoplus bivittatus and M. dif f erentialis dominant with some 

 M. f emurrubrum . Mostly first and second instars; not yet moved into fields. 

 TOrasser) . MINNESOTA - Melanoplus f emurrubrum hatch about complete in Chisago, 

 Isanti, Sherburne, and Wright Counties. Infestations scattered; ranged 18-36 

 per square yard in isolated fields and roadsides. Little movement into cropland. 

 Ditches being cut; grasshoppers will move next few weeks. Few adults noted. (Minn. 

 Pest Rpt.). IOWA - In southwest district, grasshoppers ranged from 10 per square 

 yard in northeastern counties to 15 per square yard in Pottawatamie County; 70 

 percent second instars. Population 70 percent Melanoplus dif f erentialis , 20 percent 

 M. f emurrbrum . (Iowa Ins. Inf.). NEBRASKA - Surveys week of June 21 indicated "hot 

 spots" in Dixon, Thurston, Cedar, Knox, and Boyd Counties and in Nuckolls and 



