Modify your browser's settings to allow Javascript to execute. Center for Invasive Species and Ecosystem Health. Javascript is disabled in this browser. Barley production in the western High Plains has decreased markedly since 1987, due to the lack of cost-effective aphid management tactics, and there is a need for improved barley aphid management. : U.S. Dept. The United States Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) has analyzed the potential environmental impacts of releasing a parasitoid wasp to biologically control the Russian wheat aphid. Some biological or chemical controls have been known to help manage infestations. Peairs (eds.) Or, to display all related content view all resources for Russian Wheat Aphid. Plants stressed for water or nutrients are more susceptible to and suffer greater damage from Russian wheat aphid, so maintain adequate soil moisture and fertilization. : 100 T31P 1988 Importations and shipments of parasites for biological control of Russian wheat aphid. Statewide Integrated Pest Management Program. It is important to prevent this form from establishing in Australia, as it will allow the aphid to overwinter as eggs. Based on our assessment and other relevant data, releasing this biological control agent will not have a significant impact on the quality of the human environment. numerousexoticparasitoidsreleasedwere3speciesof. National Invasive Species Information Center, http://www.regulations.gov/#!docketDetail;D=APHIS-2020-0009, Pest Tracker - Survey Status of Russian Wheat Aphid (RWA), YouTube - Russian Wheat Aphid Identification, Plantwise Technical Factsheet - Russian Wheat Aphid (, Primefact - Russian Wheat Aphid (Sep 2016), Emergency and Significant Plant Pests - Russian Wheat Aphid, UC Pest Management Guidelines - Russian Wheat Aphid (Feb 2009), Utah Pests Fact Sheet - Russian Wheat Aphid (Jan 2008) (PDF | 228 KB), Russian Wheat Aphid: An introduced pest of small grains in the High Plains (May 2005), Insect Series: Crops - Aphids in Small Grains, Russian Wheat Aphid: An Introduced Pest of Small Grains in the High Plains (PDF | 326 KB), Absence of mitochondrial DNA sequence variation in Russian wheat aphid (Hemiptera: Aphididae) populations consistent with a single introduction into the United States. The goal of the AWPM for Wheat project is to demonstrate in six Great Plains states that planting resistant wheat cultivars and diversifying cropping systems to enhance the effectiveness of natural enemies in biological control results in reduced damage to wheat caused by the greenbug and Russian wheat aphid. The South American cassava mealybug ( Phenacoccus manihoti ) has invaded most cassava-growing regions of Africa and causes yield losses of up to 84% ( Norgaard, 1988 ). CAB International. There are many different species of aphids, and the different strategies to manage them can vary with each species. America in the late 1980s (Stoetzel 1987, Lajeunesse. Resistant cultivars are viewed as the most economical and environmentally viable control available. Lester, and T.O. Each year, farmers worldwide spend more than $1 billion to control diamondback moths—primarily with chemical insecticides," he notes. For economical control of the greenbug and other aphids, combine biological control, cultural practices and, if necessary, insecticide treatments. Puterka. Agriculture and Food Division. Destroy and remove volunteer cereals to help reduce or delay the buildup of Russian wheat aphid populations. "The Russian wheat aphid is a major pest of U.S. winter wheat and barley," says Vandenberg. Russian wheat aphids are considered one of the most invasive pests of small grains in the world and many efforts have been made to control their populations. The recommended threshold to apply insecticide is 50% of cereal tillers have 15 or more aphids and … Insecticides can reduce the chance of an aphid infestation. Russian wheat aphid is established in Australia. Journal of the Kansas Entomological Society 80(4):319-326. Control of aphid population can provide some control of disease but is dependent on knowing which aphids are active in the field; planting to avoid periods of peak aphid activity can provide a … Subobjective 3.3 – Introduce parasitoids to control pest insects, such as soybean aphid, Russian wheat aphid, sugar cane aphid, and spotted-wing Drosophila, and measure the impact of the introduced parasitoids on the abundance and distribution of target and non-target species. Lady beetles and parasitic wasps often keep these aphids below economically important levels. The aphidophagous midge Aphidoletes aphidimyza (Diptera: Cecidomyiidae) is used in biological control programs against aphids in many crops. The biological control agent is a small, stingless wasp called Aphelinus hordei that can be used to reduce the severity of damage caused by Russian wheat aphids. Tip of abdomen with one appendage Western Wheat Aphid (see table 1, p. 5) 10b. Monitoring and Management Decisions. 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