News & Events
Information about future news and events surrounding European frog-bit can be found below. To see events, view our calendar below. Want the latest EFB news? Sign up for our quarterly newsletter, the Frog-bit Forum!
Frog-bit Forum: October – December 2024
January 13, 2025
The Frog-bit Forum is a quarterly newsletter designed to deliver the most recent European frog-bit (EFB) related news, publications, and updates to your inbox four times a year. Check out our fall 2024 newsletter summary.
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2024 EFB Collaborative App Summary
January 7, 2025
The European Frog-bit (EFB) Collaborative hosts two Esri Field Maps apps that allow users to collect EFB monitoring and management information from a smartphone or tablet: the Delimitation App and Frog-BATT. For more information about how to use the apps or join the ArcGIS Online EFB group, check out our ArcGIS Hub site at hub.efbcollaborative.net. Let’s see what data we’ve collected so far!
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Holiday Newsletter 2024
December 19, 2024
Seasons Greetings from the European frog-bit Collaborative! Check out our 2024 holiday newsletter for a year end recap and a special holiday gift from Collaborative staff to you!
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Webinar: Opportunities for the biological control of European frog-bit in North America
December 4, 2024
In 2024 with funding from U.S. Army Corps of Engineers (USACE), CABI in Switzerland initiated foreign exploration for natural enemies occurring in the native range of European frog-bit (EFB). EFB is native through much of Europe and parts of temperate Asia as well as North Africa. It was introduced into North America as an ornamental in the early 1930s, with the initial introduction into Ottawa in Ontario, Canada thought to originate from the Zurich Botanical Gardens, Switzerland, thus Switzerland and surrounding areas were a good place to start to search for a biocontrol agent. During surveys at least two potential biological control agents have been recorded, a Hydrellia sp. fly and the weevil, Bagous puncticollis. In addition to this, water soldier, Stratiotes aloides, also introduced in North America (currently only in Canada), will be considered during surveys in the native range given the phylogenetic relatedness and geographic overlap with European frog-bit. In this presentation Philip will give an update on the progress made in the first year of surveys and plans going forward.
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Frog-bit Forum: July-September 2024
October 1, 2024
The Frog-bit Forum is a quarterly newsletter designed to deliver the most recent European frog-bit (EFB) related news, publications, and updates to your inbox four times a year. Check out our summer 2024 newsletter summary.
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Frog-bit Forum: April-June 2024
July 17, 2024
The Frog-bit Forum is a quarterly newsletter designed to deliver the most recent European frog-bit (EFB) related news, publications, and updates to your inbox four times a year. Check out our spring 2024 newsletter summary.
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Frog-bit Forum: December 2023-March 2024
April 1, 2024
The Frog-bit Forum is a quarterly newsletter designed to deliver the most recent European frog-bit (EFB) related news, publications, and updates to your inbox four times a year. Check out our winter 2024 newsletter summary.
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Frog-bit Forum: First Newsletter – 2023 Recap
January 8, 2024
The Frog-bit Forum is a quarterly newsletter designed to deliver the most recent European frog-bit (EFB) related news, publications, and updates to your inbox four times a year. Check out our 2023 newsletter summary.