Anyway W.quadripustulata is the most common of the British members of the genus, so would have to have been voted "most likely". NBN has no other Winthemiae north of Leeds.
With the other, almost inconsequential, additions ...
|561||Adela reaumurella||Green Long-horn|
|562||Winthemia quadripustulata||A Tachinid fly|
|563||Clubiona lutescens||A clubionid spider|
|564||Paranchus albipes||A ground beetle|
|565||Dasysyrphus venustus||A hoverfly|