The eusocial wasp Polistes biglumis was formerly added to the British list on the basis of several females and males present in July to September 2020 at a country park on the Kent coast (Hazlehurst, 2020). The number present implied at least one nest. It is a larger species than other Polistes - queens can reach a length of up to 16 millimeters, worker up to 14 millimeters.
South and Central Europe, northern France and the Benelux countries, north to Norway and Sweden south of 65°. Eastwards to Turkey and Central Asia.