Long Hoverfly (Sphaerophoria scripta)
I was fascinated to catch sight of these two attempting to mate in mid-air in quite blustery winds, but fortunately for me they quickly decided to settle on vegetation instead.
What followed caught me by surprise but was, as I later had confirmed for me, not unusual behaviour for this species.
I'd call it the Dance of the Long Hoverfly. The smaller female might call it something else entirely.
Want to know what I'm referring to?
Watch here and read the accompanying commentary:

The Long hoverfly, "Sphaerophoria scripta" is a European species of hoverfly. They can complete a full life cycle in as little as sixteen days, and a maximum of nine generations may occur in a single year.
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