Title: Cooperative economic insect report
Identifier: cooperativeecon211971uni (find matches)
Year: 1951 (1950s)
Authors: United States. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division
Subjects: Beneficial insects; Insect pests
Publisher: Hyattsville, MD. (etc. ) Plant Protection and Quarantine Programs Animal and Plant Health Service
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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- 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).
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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 - Labops 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, femurrubrum and M. sanguinipes caused severe

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