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ELM LEAF BEETLE ( Pyrrhalta luteola ) - NEW MEXICO - Moderately heavy on Siberian 

 elm, but lighter than in previous seasons at Albuquerque, Bernalillo County. 

 (Heninger) . COLORADO - Still troublesome on elm at Greeley, Weld County. Controls 

 recommended. (Urano) . NEBRASKA - Severe defoliation to American and Siberian elms 

 in several locations. (Hagen, Roselle) . 



MAN AND ANIMALS 



HORN FLY ( Haematobia irritans ) - OKLAHOMA - Ranged 500-1,000 per head on cattle 

 in Woodward County and 300-500 per head in Payne County. Moderate to heavy in 

 Craig, Ottawa, Cleveland, Kingfisher, and Johnston Counties. (Okla. Coop, Sur.). 

 IOWA - Up to 35 (average 13.5) per side on untreated cow herd in Story County 

 July 7. (Iowa Ins. Sur.). 



STABLE FLY ( Stomoxys calcitrans ) OKLAHOMA - Averaged 3 per head on untreated 

 dairy cattle in Payne County. Heavy on horses in Garfield County. (Okla. Coop. 

 Sur.). IOWA - Cool, damp weather decreased average of 26.6 per leg June 30 to 

 average of 10.2 per leg (range 0-33) in untreated cow herd in Story County July 7. 

 (Iowa Ins. Sur.). WISCONSIN - Severely annoyed cattle in Calumet County. Moderate 

 in Polk, Chippewa, Rock, Adams, and Walworth Counties. Spraying underway in most 

 areas. (Wis. Ins. Sur.). 



FACE FLY ( Musca autumnalis ) - CALIFORNIA - Heavy on livestock a t La Honda, San 

 Mateo County. This is a new county record. Collected by J. Linton on July 2. 

 Activity increased from 7-15 up to 25 per face in Marin County. (Cal. Coop. Rpt.). 

 IOWA - Up to 10 (averaged 3.2)per face in untreated cow herd in Story County 

 July 7. (Iowa Ins. Sur.). 



MOSQUITOES - MINNESOTA - Aedes vexans in 76 percent of 584 larval collections 

 for week ending July 3 made in Metropolitan Mosquito Control District. Of 6,760 

 females in district's 16 light traps, A. vexans constituted 48 percent of catch 

 and Coquillettidia perturbans was second at 12 percent. Of 266 mosquitoes in 22 

 evening bite collections, 164 were A. vexans . Of 2,504 mosquitoes in 205 daytime 

 bite collections, 1,200 were A. vexans , 312 A. trivittatus , 243 A. f itchii , 184 

 A. stimulans , 128 A. sticticus , 139 A. excrucians , and 117 C. perturbans . 

 TMinn. Pest Rpt.). WISCONSIN - Continue spotty and confined to wooded lowlands 

 or immediate vicinity. Aedes cinereus continues dominant biter with A. stimulans 

 secondary. Moderately annoyed cattle in Rock, Chippewa, Calumet, and Polk 

 Counties. (Wis. Ins. Sur.). 



BLACK FLIES ( Simulium spp.) - MAINE - Annoyance by S. venustum declining in 

 Penobscot Valley. Most of annoyance from now until October will be due to 

 S^. jenningsi . (McDaniel) . 



CATTLE TICKS ( Boophilus spp.) - TEXAS - Following species identified on bovine 

 during June by county: B. microplus (southern cattle tick) Cameron, Hidalgo and 

 Zapata; B. annulatus (c¥ttle tick) Maverick. (Anim. Health Div.). 



A COMBFOOTED SPIDER (L atrodectus v ariolus) - KENTUCKY - Several specimens taken 

 from dwelling in Bullitt County. (Barnett) . 



BENEFICIAL INSECTS 



LADY BEETLES - KANSAS - Adults, mostly Hippodamia convergens (convergent lady 

 beetle) , up to 1 per sorghum plant in 3 Schizaphis graminum (greenbug) and 

 Rhopalosiphum maidis (corn leaf aphid) infested fields in Geary County. 

 H. tredecimpunctata and Coleomegilla maculata adults seen occasionally. Larvae 

 a'veraged 0.5-2 per plant and egg masses 0.1-0.5. Larvae of Scymnus spp. averaged 

 0-2 per plant but no adults seen. (Bell). OKLAHOMA - H. convergens Adults 3-15 

 per 10 alfalfa sweeps in Alfalfa, Harper, Ellis, and Woodward Counties. 

 Occasional larva. Adults 0-2 per grain sorghum plant in northwest area with 

 occasional egg mass. (Okla. Coop. Sur.). 



