- 570 - 



HORN FLY ( Haema tobia irri tans ) - MARYLAND - Counts continue well below normal in 

 all central counties . Most herds clean with heaviest counts ranging 5-10 per 

 head. (U. Md . , Ent. Dept.). WISCONSIN - Moderate annoyance to cattle reported in 

 most counties. (Wis. Ins. Sur.). IOWA - Ranged 10-300 (average 106) per side in 

 Dallas County. (Iowa Ins. Sur.). KANSAS - Averaged about 200 per head on small 

 herd of pastured dairy cattle in Geary County. (Bell). OKLAHOMA - Averaged 1,000 

 per head on cattle in Payne County. Heavy in Osage and Cotton Counties, moderate 

 in Bryan, Cleveland, Hughes, and Beaver Counties, and light in Cimarron County. 

 (Okla. Coop. Sur.) . MISSISSIPPI - Averaged 50 per 300 head of cattle in Monroe 

 County. (Robinson). 



STABLE FLY ( Stomoxys calcitrans ) - IOWA - Ranged 4-20 (average 7) per leg on 

 untreated cow herd on pasture in Dallas County. (Iowa Ins. Sur.). WISCONSIN - 

 Severe annoyance to cattle reported at locations in Calumet, Columbia, Sauk, 

 and Juneau Counties. Counts light to medium elsewhere, depending on control 

 efforts. (Wis. Ins. Sur.). MARYLAND - Adults ranged 5-100 (average 8) per head 

 in Frederick, Harford, Baltimore, and Howard Counties. (U. Md . , Ent. Dept.). 



TABANID FLIES - WISCONSIN - Deer flies very heavy near river bottoms and marshes 

 in parts of Columbia, Iron, and Buffalo Counties. (Wis. Ins. Sur.). OKLAHOMA - 

 Tabanus spp. very heavy along creeks and in wooded areas in Cotton County. 

 Moderate on cattle in Hughes County. (Okla. Coop. Sur.). 



BROWN RECLUSE SPIDER ( Loxosceles reclusa ) - ALABAMA - Numerous specimens in home 

 at Bremen, Cullman County. Controls applied. (Boswell) . 



BENEFICIAL INSECTS 



A LADY BEETLE ( Stethorus picipes ) - WASHINGTON - Eggs and adults present and 

 increasing on apples in Yakima Valley. Feeding on Tetranychus mcdanieli 

 (McDaniel spider mite) at Wapato, Yakima County. All stages noted on 120 acres 

 of Delicious apples in Yakima County where eliminated heavy mite population 

 and now attacking aphids. S. picipes apparently compatible with predaceous mite 

 Metaseiulus occidentalis . (Gregorich et al.) . 



SYRPHID FLIES - WASHINGTON - Becoming particularly abundant due to relatively 

 high aphid populations on small grains, peas, alfalfa, shrubs, and shade trees. 

 Most abundant species Scaeva pyrastri , Syrphus opina tor . and Eupeodes volucris 

 in Whitman County. (Telford) . 



A DAMSEL BUG ( Nabis alternatus ) - WASHINGTON - Adults and nymphs 2 per sweep in 

 alfalfa seed fields following selective spray program, 0.1-1 per sweep in other 

 seed fields in Lowden and Tochet area, Walla Walla County. (Johansen) . 



EUROPEAN MANTID ( Mantis religiosa ) - INDIANA - In 1969, specimen submitted from 

 Elkhart County which represented valid collection record. In 1970, specimens 

 taken in Elkhart, Allen, and Tippecanoe Counties. Appears that species now spread 

 (or been introduced) and become successfully established in northern third of 

 State. (Chandler) . 



FEDERAL AND STATE PLANT PROTECTION PROGRAMS 



CEREAL LEAF BEETLE (Oulema melanopus ) - MICHIGAN - Adults up to 3 per 100 sweeps 

 of quackgrass in commercial Christmas-tree plantations July 22-23 in southwest 

 Kalkaska County. (Hanna) . 



GRASSHOPPERS - WASHINGTON - Several reports of present or potential damage. 

 Grasshoppers ranged 12-15 per square yard east of Pasco, Franklin County. 

 Damaging in Burbank area, Walla Walla County. Ranged 3-5 per square yard on 

 farmland in Ice Harbor Dam area of Franklin and Walla Walla Counties; averaged 

 8 per square yard on wildlands near Kohlotus. Also reported in Benton County. 

 (Retan et al.). NEVADA - Mostly Melanoplus sanguinipes , with some Oedaleonotus 

 enigma , infesting 6,500 acres of crested wheatgrass in Paradise Hill and Paradise 



