[MAIPC] FW: USDA Agricultural Research Service's Overseas Biological Control Laboratories Newsletter

[Richard Gardner]

 Aculops ailanthii is already here and does the same.
    On Thursday, September 2, 2021, 06:04:00 PM EDT, Marc Imlay <ialm at erols.com> wrote:  
 
 
  

An eriophyid mite species, Aculus mosoniensis, was found in different European countries always associated with the tree-of-heaven. This mite induces downward rolling of leaves with reddening (see arrow in the photo below). Once infested, the plant growth is reduced.

In 2020, an open field test was initiated at the Biotechnology and Biological Control Agency facilities, exposing tree-of-heaven and 14 nontarget plants species to the biocontrol candidate agent. Results showed a narrow host specificity of the mite, recorded only from the target weed species.



Reddening appears on the tree-of-heaven. (Photo courtesy of the European Biological Control Laboratory)

Authors: René Sforza, Marie-Claude Bon, Javid Kashefi, Mélanie Tannières, and Massimo Cristofaro

Contact: Michael Grodowitz, michael.grodowitz at usda.gov

From: USDA Agricultural Research Service <USDA-ARS-COMMS at subscribers.usda.gov> 
Sent: Thursday, September 02, 2021 5:00 PM
To: ialm at erols.com
Subject: USDA Agricultural Research Service's Overseas Biological Control Laboratories Newsletter

  

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Welcome to the latest edition of the Overseas Biological Control Laboratories newsletter. 
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Overseas Biological Control Laboratories Newsletter 
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Welcome to the latest edition of the Overseas Biological Control Laboratories newsletter. It has now been reformatted to be easier to read, less technical, and more in-tune to our stakeholders' needs. In this edition, topics range from overviews of the outstanding work being accomplished at each of the four overseas laboratories to summaries of specific research endeavors. These include specifics on attempts to develop environmental sound management strategies for the control of invasive insect species including the roseau cane scale, little fire ant, Bagrada bug, and cattle fever ticks as well as invasive plants including water hyacinth, hydrilla, Medusahead, and tree-of-heaven. We trust you will find this new format more to your liking and we await your comments and suggestions for improvement.

Michael Grodowitz
Director – European Biological Control Laboratory
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Research Highlights 
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The Ongoing Search for New Biological Control Agents of Hydrilla

Hydrilla verticillata, or hydrilla, is a submersed aquatic plant native to Asia, Australia, Europe, and Africa. It is one of the world’s worst weeds. Australian Biological Control Laboratory researchers are currently collaborating with international researchers to find new biological control agents for the invasive weed. 
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Biocontrol Agents for French Broom, Medusahead and Tree-of-Heaven

 A total of seven targets belonging to annual grasses (Medusahead and Ventenata), forbs and shrubs (Sahara mustard, stinkwort and French broom), and rangeland and forest weeds (Tree-of-Heaven, Swallow-worts) have been identified in the European Biological Control Laboratory (EBCL)'s five-year research plan (2020-2025). 
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Sustainable Solutions for Integrated Management in the U.S. of Invasive Pests from Europe, Asia and Africa

European Biological Control Laboratory researchers are developing classical biological control methodologies and strategies to sustainably suppress insect and tick pests originating in Europe, Asia, and Africa.
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Natural Enemies for Little Fire Ants

One of Foundation for the Study of Invasive Species’ main projects, the little fire ant, is an invasive ant native to South America. The little fire ant has become a major agricultural problem in Hawaii, and a spreading invader in the continental U.S.
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New Biocontrol Agents for Water Hyacinth

The water hyacinth planthopper, Megamelus scutellaris, an important biocontrol agent of water hyacinth, has endosymbionts to make up for deficiencies in the plant hopper’s diet, meaning they can have a strong impact on the establishment of the planthopper.
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The Distribution, Source Population, and Natural Enemy Complex of the Roseau Cane Scale in China

Sino-American Biological Control Laboratory researchers are currently studying parasitoids as possible biological control agents for roseau cane scale, a non-native insect originating from Asia and a threat to roseau cane or common reed in the Mississippi River Delta. 
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Lab Spotlight 
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Australian Biological Control Laboratory

Australian Biological Control Laboratory staff actively search the natural areas of Australia and Southeast Asia for insects and other organisms that feed on plant species and pest insects that are invasive in the U.S.  
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