Species alerts

Water Primrose - Ludwigia grandiflora

Water Primrose - <em>Ludwigia grandiflora</em>
This is a species alert issued as part of the GB rapid response protocol:

An invasive non-native plant from South America which has become a serious pest in other countries, including France, where it smothers water bodies reducing the numbers of native species and potentially increasing the risk of flooding.

It has started to be found in some parts of England and Wales.

If you think you've seen it, check with our Identification sheet.

Sightings should be reported:
Further information:

Asian hornet - Vespa velutina

Asian hornet - <em>Vespa velutina</em>

This is a species alert:

Vespa velutina, also known as the Asian hornet is an invasive non-native species from Asia.  It arrived in France in 2004 where it spread rapidly.  As a highly effective predator of insects, including honey bees and other beneficial species, it can cause significant losses to bee colonies, and potentially other native species. 

A number of sightings have been recorded in the UK since 2016, find the latest information on Defra's rolling news page.

It is important to report any suspected sightings of this species as soon as possible.  Find out how to identify Asian hornet by downloading an Identification Guide, or visit the BeeBase website.

Vigilance is particularly required in southern parts of England and Wales and around major ports.  The Asian hornet is active mainly between April and November (peak August/September) and is inactive over the winter.

Ideally sightings should be sent in via the Asian Hornet Watch app or the online recording form using the links below:

However, you can also email us if you have a sighting.  Please send a photograph and location details to:

Do not under any circumstances disturb or provoke an active hornets’ nest.

Asian Hornet resources:

Free hard copies of the alert poster and identification sheet are available, contact nnss@apha.gov.uk

Guidance for bee keepers: can be found on BeeBase.  Visit the Asian hornet section here.   

[Image courtesy of Jean Haxaire]

Thin strip of image show tree trunk and bark