- 711 - 



FALL CANKERWORM (Alsophila pometaria ) - NORTH DAKOTA - Female moths seen 

 September 21 in Fargo area, Cass County} about 14 days earlier than observed in 

 1970. (Anderson). 



MIMOSA WEBWORM (Homadaula anisocentra ) - TENNESSEE - Damage heavy to mimosa in 

 central and western areas. (Locke, Gordon) . 



ASIATIC OAK WEEVIL ( Cyrtepistomus castaneus ) - ALABAMA - Numerous adults on oak 

 trees in Jackson and De Kalb Counties. Jackson is a new county record. (Barwood, 

 Dulaney) . 



MAN AND ANIMALS 



SCREWWORM (Cochliomyia hominivorax ) - Total of 28 cases reported in U.S. 

 September 26 to October 2 as follows : TEXAS: Bandera 1, Culberson 1, Edwards 1, 

 Kinney 5, Burnet 1, Hamilton 1, Lampasas 1, Pecos 2, Presidio 3, Uvalde 3, and 

 Val Verde 7; ARKANSAS: Little River 1. Total of 447 laboratory-confirmed cases 

 reported in portion of Barrier Zone in Republic of Mexico as follows: Sonora 14, 

 Chihuahua 277, Coahuila 88, Nuevo Leon 19, Tamaulipas 49. Total of 67 cases 

 reported in Mexico south of Barrier Zone. Barrier Zone is area where eradication 

 operation underway to prevent establishment of self-sustaining population in U.S. 

 Sterile screwworm flies released: Texas 57,408,000; Arkansas 3,000,000; Arizona 

 3,766,000; Mexico 90,680,000. (Anim. Health Div.). 



HORN FLY (Haematobia irritans ) - OKLAHOMA - Increased again on cattle in Payne 

 County with warmer weather; averaged 750 per head. Heavy in Cotton and Okfuskee 

 Counties and moderate in Hughes County. (Okla. Coop. Sur.). 



MOSQUITOES - MINNESOTA - Light trap catches for week ending September 24 totalled 

 336 female mosquitoes in 16 traps in Minneapolis area. Aedes vexans accounted for 

 254 specimens, Culiseta mors i tans for 37, Culex restuans 14, and Culiseta 

 inornata 7. A. vexans dominant but light in bite collections. Sample of eggs 

 immersed in laboratory showed 99 percent diapause, sample from different 

 location showed only 60 percent of eggs in diapause. (Minn. Pest Rpt.). 



HORNETS (Vespula spp.) - PENNSYLVANIA - V. maculata (baldfaced hornet) and V. 

 maculifrons abundant on and around houses. Annoying in houses, picnic areas, 

 fairs, and swimming pools in 5 southeastern counties during August and September. 

 (Green) . 



BROWN DOG TICK (Rhipicephalus sanguineus ) - MASSACHUSETTS - Very severe household 

 infestation even after pest control operators treated twice in Worcester County. 

 (Hall) . 



STORED PRODUCTS 



PEA WEEVIL (Bruchus pisorum ) - WASHINGTON - Large numbers emerged from harvested 

 peas in elevators in Palouse region of Whitman County. (Hagel, Landis) . 



BENEFICIAL INSECTS 



LADY BEETLES - ARKANSAS - Noted preying on Trialeurodes abutilonea (bandedwinged 

 whitefly) in cotton, soybeans, and cocklebur in southeast areas. Most common 

 lady beetle, Chilocorus stigma (twicestabbed lady beetle), then Coccinella 

 novemnotata and ColeomegTTTamaculata . (Boyer) . IDAHO - Hippodamia convergens 

 (convergent lady beetle) numbers increased several hundred times in Latah County 

 hibernating area, (Robinson). 



A WEEVIL (Rhinocyllus conicus ) - CALIFORNIA - Releases made in Santa Barbara 

 County on Mission Cone jo Road and on Santa Cruz Island for control of milk 

 thistle. (Cal. Coop. Rpt.). 



