A cloud of long-legged insects, hovering in bobbing flight above a patch of flowering Styphelia bushes, proved to be a mating swarm of Dance Flies (tribe Empidini). This male landed briefly, still gripping his freshly killed prey.

tribe Empidini (link to iNaturalist record)

Dance Flies kill for their mates. Literally. He gifts her with a freshly killed insect, in exchange for ... well, you know. Females in the subfamily Empidinae are apparently unable to hunt for themselves. If they need protein for egg production they are reliant upon such largesse (Marshall 2012).

tribe Empidini (link to iNaturalist record)