Dreissena rostriformis bugensis (Quagga Mussel) has been found in Wraysbury Reservoir and the Wraysbury River, a tributary of the River Colne, near Egham, Surrey.  This is the first UK record of this species.  The EA alert poster for this species is shown below.

Alert Dreisena bugensis rostriformis (final) 

The EA will be seeking to contain and slow the spread of this species where possible. It is more important than ever for all of us using the waterways  to be supporting and spreading the message of the Check, Clean, Dry campaign (http://www.nonnativespecies.org/checkcleandry). 

There are some very alarming stories on the internet about this species and if they are only half true it is — more bad news!