- 496 - 



Vilas Counties. Biting severe at midday in woodlands in Pine Island Wildlife 

 area west of Portage, Columbia County. Collections of females at Pine Island 

 indicated 84 percent of biters Aedes cinereus and 16 percent A. stimulans . 

 (Wis. Ins. Sur.). ARKANSAS - Psorophora conf innis counts increasing in most 

 rice producing areas of State; average about 600 per light trap per night in 

 Lonoke County. (Boyer) . 



STABLE FLY ( Stomoxys calcitrans ) - NORTH DAKOTA - Adults ranged 15-20 per animal 

 on dairy herd in Cass County. TBrandvik) . WISCONSIN - Populations variable over 

 State. Some problems reported in Walworth, Rusk, Calumet, Columbia, and Rock 

 Counties. Annoyance to cattle related to control practices on farms. Some dairy 

 herds in Walworth County with few flies, others exhibited moderate annoyance. 

 Some beef herds in Grant and Iowa Counties very much annoyed. Reported biting 

 man about ankles in Bayfield County. (Wis. Ins. Sur.). 



HORN FLY ( Haematobia irritans ) - VERMONT - Ranged 40-50 per head at Hinesburg. 

 (Nielsen, June 29) . WISCONSIN - Severe on cattle in Calumet County, but light to 

 moderate in most other areas. Spray practices account for much of variation. 

 (Wis. Ins. Sur.). IOWA - Ranged 20-1,000 (average 147) per side on untreated 

 cattle herd in Story County June 30. (Iowa Ins. Sur.). WYOMING - Ranged 30-350 

 per head on 2 cattle herds in Platte County. (Parshall) . OKLAHOMA - Ranged 800- 

 1,000 per head on cattle in Noble County, averaged 500 per head in Marshall 

 County. Moderate to heavy in Cleveland, Carter, and Cotton Counties. (Okla. 

 Coop. Sur.). TEXAS - Increased in counties in south-central area. Light in 

 Crockett County. (Cole, Neeb) . MISSISSIPPI - Counts per head (animals checked) 

 by county as follows: Rankin 60 (70), Montgomery 125 (300), Oktibbeha 140 (50), 

 Tishomingo 10 (60) . (Sartor) . 



TABANID FLIES - WISCONSIN - Hot weather accelerated deer fly activity; 

 localized annoyance reported from Menominee, Langlade, Columbia, Calumet, Iron, 

 and Vilas Counties; annoyance moderate to cattle in Columbia County. (Wis. Ins. 

 Sur.). OKLAHOMA - Tabanus spp. ranged 10-12 per head on horses in Payne County, 

 averaged 4 per head on cattle in Noble County. (Okla. Coop. Sur.). 



AMERICAN DOG TICK ( Dermacentor variabilis ) - WISCONSIN - Populations locally 

 heavy from Crawford, Sauk, and Columbia Counties northward. Generally light 

 or moderate in far northern counties. Highest numbers in low, second-growth 

 brush and blackberry patches. (Wis. Ins. Sur.). 



BROWN RECLUSE SPIDER ( Loxosceles reclusa) - TENNESSEE - Specimens collected from 

 Hardin County for a new county record. Determined by R.D. Gordon. (Gordon), 



BENEFICIAL INSECTS 



LADY BEETLES - WYOMING - Adults and larvae of several species ranged 1-12 per 

 10 sweeps in second cutting alfalfa in Goshen, Platte, and Laramie Counties. 

 (Parshall) . 



A BRACONID ( Cardiochiles nigriceps ) - NORTH CAROLINA - This parasite of Heliothis 

 virescens numerous (about 1 per 5 tobacco plants) in Person area of Granville 

 County. THunt) . 



AN ENCYRTID WASP ( Holcencyrtus physokermis ) - OREGON - Adults emerged in 

 laboratory from Physokermis piceae (spruce bud scale) collected at Portland 

 area nursery, Multnomah County, June 7. Parasitism at this locality light 

 compared to that at Lithia Park, Ashland, Jackson County. This is a new county 

 record. (Westcott) . 



ICHNEUMONS - ILLINOIS - Bathyplectes curculionis parasitized 67.2 percent of 

 Hypera postica (alfalfa weevil) larvae collected in Champaigne and Ogle Counties 

 June 8 and 10, respectively. (111. Ins. Sur.). KENTUCKY - B. curculionis 

 parasitized 3 of 80 H. postica larvae from Jessamine County, none of 186 larvae 



