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EASTERN SPRUCE GALL APHID ( Adelges abietls ) - WEST VIRGINIA - Galls on 20 percent 

 of trees in one-acre block of Norway spruce in Greenbrier County and 70 percent 

 of trees in 2-acre block in Pocahontas County. (W. Va . Ins. Sur.). 



REDHEADED PINE SAWFLY ( Neodiprion lecontei ) - MICHIGAN - Currently found in 

 instars 2-5, feeding on pines generally shorter than 15 feet in plantations and 

 where pine exists in understory position. (Sauer) . 



ELM LEAF BEETLE ( Pyrrhalta luteola ) - KANSAS - Second generation mostly pupated 

 at Topeka, Shawnee County; many Chinese elms show severe damage. (Bell). 

 COLORADO - Damage becoming heavy; defoliation 100 percent on untreated trees. 

 (Sisson) . NEW MEXICO - Larvae heavy, 2-3 per leaf, on Siberian elms scattered 

 throughout Las Cruces, Dona Ana County. (Hare). 



ASIATIC OAK WEEVIL ( Cyr tepis tomus castaneus ) - MISSOURI - Light to moderate 

 throughout central and south-central areas. Defoliation of smaller oaks common 

 in infested areas. (Gass) . Adults collected by W.S. Craig at Columbia, Boone 

 County, for a new county record. (Munson) . 



SATIN MOTH ( Stilpnotia salicis ) - OREGON - Large numbers of adults at storefronts 

 in Prineville, Cook County, morning of July 17, indicate heavy flight night of 

 July 16. (Westcott) . Larvae stripped many untreated trees and shrubs in Prine- 

 ville, especially willows, this spring. First large moth flight noted week of 

 July 9; subsequent heavy flights resulted in large numbers on sidewalks. Flights 

 decreased this period. This is unusually heavy infestation, estimated to be 25-50 

 times heavier than 1970. (Bunch). 



CALIFORNIA OAKWORM ( Phryganidia californica) - OREGON - Apparently caused much 

 leaf damage to chinquapin oak in several areas of Douglas and Lane Counties. 

 Single pupa found attached to leaf near Fern Ridge Reservoir, Lane County, 

 (Kline) . 



FALL WEBWORM ( Hyphantria cunea ) - ARKANSAS - Active in northeast area. Webs up to 

 3 feet in diameter on persimmon and other hosts. Defoliation of persimmon com- 

 plete in some cases. Species becoming active in northwest, but about 3 weeks later 

 than normal. (Boyer) . NEW MEXICO - Light and spotty with 1-5 tents per poplar 

 tree at Las Cruces, Dona Ana County. (Hare). 



WALNUT CATERPILLAR (Datana integerrima ) - ARKANSAS - Continues to defoliate wal- 

 nut trees in northwest and west-central areas. (Boyer). 



A NOTODONTID MOTH ( Symmerista canicosta ) - MICHIGAN - No adults in blacklight trap 

 in Wellston indicates egg laying completed. Less than 10 percent of eggs unhatched; 

 will hatch within 7 days. Egg parasitism low (about 2-3 percent). Predation of 

 early instars by stink bug nymphs heavy. Defoliation expected to be severe over 

 large portion of Manistee National Forest. (Eiber) . 



A GRASSHOPPER ( Dendrotettix quercus ) - MISSOURI - Heavy populations defoliated 

 some oak and hickory in south-central area. Mating underway. (Gass). 



MAN AND ANIMALS 



SCREWWORM ( Cochllomyia hominivorax ) _ Total of 8 cases reported in U.S. July 

 18-25: TEXAS - Bowie 4, Kimble 1, Kinney 1, Starr 1; ARKANSAS - Little River 1. 

 (Anim. Health Div.) . 



FACE FLY ( Musca autumnalis ) - VERMONT - Major annoyance on warm days in Chitten- 

 den County"] (Nielsen) . MARYLAND - Ranged 5-15 per head on sprayed horses and 

 cattle, 35-80 per head on unsprayed livestock in Frederick, Howard, Carroll, and 

 Montgomery Counties. (U. Md . , Ent. Dept.). NORTH DAKOTA - Economic, ranged 8-35 

 (averaged 18) per face on calves in sandhills area of Ransom County, (Brandvik) . 



