Local to very local, in sandy coastal areas throughout much of the British Isles. Rare in northern Scotland occuring as far north as the Orkney Isles. Inland records are rare and associated with dry sandy areas, such as The Brecks, or disused sand-pits although the only area with any records post 2000 inland is in East Anglia suggesting many of the old sites have been lost. Records away from these habitats, particularly in northern Britain, should be treated with caution and any specimens critically examined for confirmation. Recent re-examination of the dissections of all records (four) from Huntingdonshire have all proved to be female B. terrella. The provisional species map will reflect this change in the next update in Spring 2022.