- 553 - 



quarantines have been invoked to restrict movement of horses and other equines 

 Into and out of Texas and other affected areas of the U.S. A combination vacci- 

 nation and insect control program is underway by State, Federal, and local 

 personnel. About 8 million acres are to be sprayed in Texas and Louisiana with 

 malathion and naled to control suspected vectors. Several species of mosquitoes 

 and possibly other Diptera are suspected vectors. (Anim. Health Div.) . 



BENEFICIAL INSECTS 



A PLATYGASTERID WASP ( Platygaster obscuripennis) - PENNSYLVANIA - About 20 adults 

 emerged from 2 willow terminal twig galls caused by Rhabdophaga salicistriticoides 

 (a cecidomyiid midge). Galls collected at La Porte, Sullivan County, February 

 15, 1971, by G.B. Sleesman. R. salicistriticoides determined by R.J. Gagne. 

 P. obscuripennis determined by P.M. Marsh and is a new State record. (Kim). 



A EURYTOMID WASP ( Eurystoma obtusiventris ) - PENNSYLVANIA - Adult emerged from 

 golden rod gall caused by Eurosta solidaginis (a tephritid fly) . Gall collected at 

 Gifford Pinchot State Park, York County, March 21, 1971, by G.B. Sleesman, 

 E. solidaginis determined by R.J. Gagne, E. obtusiventris determined by B.D. Burks 

 and is a new State record. (Kim). 



BRACONIDS - ARIZONA - Averaged 20 per 100 sweeps in alfalfa and heavy on other 

 crops in Cochise County. (Ariz. Coop. Sur.). 



LADY BEETLES - ARKANSAS - Hippodamia convergens (convergent lady beetle) outnum- 

 bers Coleomegilla maculata in sorghum and alfalfa throughout State. Adults but no 

 eggs, larvae, or pupae found in sorghum and alfalfa in northwest area. (Boyer) . 

 ARIZONA - Unspecified lady beetles averaged 25 per 100 sweeps in Cochise County 

 alfalfa. Heavy on other crops, (Ariz, Coop. Sur,), 



A FLOWER BUG ( Orius insidiosus ) - ARKANSAS - Adults very active in blooming 

 sorghum in all areas! however , number of nymphs lower than in past years, (Boyer). 



DAMSEL BUGS - ARIZONA - Averaged 60 per 100 sweeps of alfalfa in Cochise County; 

 heavy throughout county on other crops. (Ariz. Coop. Sur.). 



LACEWINGS - ARIZONA - Averaged 15 per 100 sweeps of alfalfa in Cochise County; 

 heavy on other crops, (Ariz. Coop. Sur.), 



FEDERAL AND STATE PLANT PROTECTION PROGRAMS 



BOLL WEEVIL ( Anthonomus grand is) - TEXAS - Infestations light and scattered in 

 control zone. Light below Caprock in Hall, Dickens, and Kent Counties; confined 

 to early planted irrigated fields. To date, one weevil detected in cotton above 

 Caprock. (Rummel, July 19). For Boll Weevil in other areas see page 546. 



GRASS BUGS - UTAH - La bops utahensis discoloring grasses in Huff Creek area near 

 Upton, Summit County"! (Knowlton, Moore), Irbisia spp. largely disappeared from 

 crested wheatgrass in Curlew Valley, Box Elder County, (Knowlton) , 



GRASSHOPPERS - WASHINGTON - Melanoplus sanguinipes , M, packardii , and Oedaleonotus 

 enigma dominant. About 15,000 acres of cheatgrass infested from Fishhook Park to 

 Burbank in Franklin County. Ranged 10-15 per square yard, 90 percent adults. Area 

 adjacent to newly irrigated farmland. Problems may develop as range dries and 

 grasshoppers move into cropland, M, f emurrubrum and M. sanguinipes caused severe 



