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Displaying 1221 to 1240 of 3522

  • Home Grown Facts - Greater and Lesser Celandine [PDF, 1.0 MB]

  • Home, Yard and Garden Pest Newsletter

    • University of Illinois. Extension.

  • Honey Bee Surveys and Reports

    • USDA. National Agricultural Statistics Service.

    • In 2016 NASS began to collect data on honey bee health and pollination costs. Provides reliable, up-to-date statistics help track honey bee mortality.

  • Honey Bees in New Mexico

    • Jan 2017
    • New Mexico State University. College of Agricultural, Consumer and Environmental Sciences.

  • Hot Topics - Aquatic Invasive Species

    • Tip of the Mitt Watershed Council (Michigan).

  • Houndstongue Identification and Control

    • Apr 2018
    • North Dakota State University. Extension Service.

  • How Do You Confuse a Sharpshooter?

    • Aug 19, 2019
    • USDA. ARS. Tellus.

    • Rodrigo Krugner, an entomologist with the Agricultural Research Service (ARS) in Parlier, California, has found an innovative way to control insect pests in California vineyards: tapping into the vibrational signals they use as mating calls.

      Krugner’s efforts have mainly focused on glassy-winged sharpshooters, which spread a bacterium that causes Pierce’s disease in vineyards and costs the California grape industry an estimated $104 million a year. Growers use chemical sprays to control the pests, but insecticides also kill beneficial insects, leave residues, and become less effective as the insects develop resistance.

  • How Does Climate Change Affect the Challenge of Invasive Species?

    • DOI. United States Geological Survey.

    • Changing climate conditions have bearing on every aspect of biological invasions, in some cases worsening existing problems. Climate change is creating new pathways for invasive species to be introduced, such as shipping routes that open up as sea ice retreats. Warmer temperatures can allow existing invasive species to expand their range into habitat that is currently too cool. Similarly, impacts to native species and people may change if new conditions affect invasive species abundance. Climate change may make existing invasive species control tools less effective, such as aquatic barriers that require minimum water flows.

  • How Swaths of Invasive Grass Made Maui’s Fires So Devastating

    • Aug 15, 2023
    • Smithsonian Institution. Smithsonian Magazine.

    • Scientists have long warned that Hawaii’s cover of nonnative shrubs is kindling waiting to burn.
      See also: Additional Invasive Species related articles

      Learn how the U.S. government is responding to the Hawaii wildfires affecting Maui and the Big Island.

  • How to Identify, Prevent and Control Oak Wilt

    • Aug 2011
    • USDA. FS. Southern Regional Extension Forestry.

    • Publication NA–FR–01–11.

  • How to Recognize Symptoms of Diseases Caused by Phytophthora ramorum Causal Agent of Sudden Oak Death [PDF, 504 KB]

    • University of California - Berkeley. Cooperative Extension; USDA. Forest Service.

  • How to Save the Florida Citrus Industry?

    • Apr 24, 2023
    • USDA. ARS. Tellus.

    • Imagine a devastating plant disease that sweeps the land, decimating crops. For Florida’s citrus growers, that apocalyptic vision is not a horror movie, but a reality: since it was first identified in the Sunshine State in 2005, citrus greening disease has reduced Florida’s citrus production by a whopping 70%. Without any treatment or cure available, desperate growers have cut down infected trees or abandoned their groves entirely. Scientists have been racing to come up with a solution. Now, an ARS research team believes it may have one, in the form of: stingrays.

  • How USDA Scientists are Winning the Battle Against Invasive Fruit Flies

    • Apr 27, 2023
    • USDA. Blog.

    • Invasive fruit flies, such as the Oriental, Mexican, Mediterranean, and European cherry fruit fly, pose threats to many U.S. commercial and homegrown crops. If established, these flies could cause significant economic losses, requiring costly treatments to protect fruits and vegetables and reducing the marketability of infested fruit both locally and abroad. What’s at stake? The market value of invasive fruit fly-host commodities totaled approximately $11.7 billion in the United States in 2022. Approximately $8.3 billion of that was from California and $2.9 billion from Florida.

  • Huanglongbing (HLB or Citrus Greening)

    • University of California - Riverside. Center for Invasive Species Research.

  • Hydrilla (Hydrilla verticillata) - History and Ecology in North America

    • 2022
    • North American Invasive Species Management Association.

    • See also: Biocontrol Factsheets for more information on biocontrol agents

  • Idaho's Noxious Weeds, 9th Edition

    • 2018
    • University of Idaho Extension.

    • This pocket guide has color photographs of all the weeds on Idaho's official noxious weeds list. Inside find maps showing each weed's distribution by county, leaf shape illustrations to aid in identification, and features to help distinguish the weeds from similar-looking plants.

  • IDaids for the Spotted Lanternfly

    • Mar 29, 2018
    • USDA. APHIS. PPQ. CPHST. Identification Technology Program.

    • Native to Asia, the spotted lanternfly has quickly spread since its initial detection in 2014. The insect is not a strong flier, yet its U.S. range is expanding, mostly due to the movement of vehicles, outdoor furniture, or other objects to which females glue their inconspicuous egg masses. Includes ID aids to help identify the spotted lanternfly in all its life stages, from egg mass through adult.

  • IDaids Support Identification of the Asian Giant Hornet

    • May 28, 2020
    • USDA. APHIS. PPQ. CPHST. Identification Technology Program.

    • In 2020, ITP received funding from the Plant Protection Act Plant Pest and Disease Management and Disaster Prevention Program to produce an identification tool for species of Vespa. ITP is working with the University of California, Davis and the American Museum of Natural History to produce a comprehensive website to support screening and identification of hornet species from around the world. Until that tool is available in late 2021, here is a set of IDaids that offer tips for identifying AGH and more as part of the effort to help protect our honeybees.
      See also: Search IDaids to find identification resources for other pests and diseases that affect agriculture.

  • Identification and Control of Purple Loosestrife

    • Apr 2018
    • North Dakota State University. Extension Service.

    • Publication W1132