An official website of the United States government
The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.
This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely.
Welcome to Invasive Species and Pollinator Health Research Unit!
Previously referred to as Exotic and Invasive Weeds Research Unit.
A wingless or ‘apterous’ form of the water hyacinth planthopper (Megamelus scutellaris) uses its needle-like mouthparts to feed on leaf tissue of water hyacinth (Eichhornia crassipes). Water hyacinth, native to South America, floats on the water surface and is one of the most widespread and damaging aquatic invasive plants in California and across the southern U.S.
The weevil, Neochetina eichhorniae, is a biological control agent introduced against the invasive aquatic weed, water hyacinth, Eichhornia crassipes.
photo by Anthony King 2017.
(Butomus umbellatus L.)
Flowering rush is an invasive plant to lakes, rivers, and irrigation canals in Montana, Idaho, and Washington. USDA ARS is examining the seasonal growth cycle and approaches to management.
The Invasive Species and Pollinator Health is located in Albany, CA and is part of the Pacific West Area.
The Research Leader is Paul Pratt.
USDA, ARS, WRRC, INVASIVE SPECIES AND POLLINATOR H
800 BUCHANAN STREET
Albany, CA 94710