The blue male was doing the steering; he already had the female firmly held by the back of her neck with the graspers at the end of his abdomen. She came along like a trailer on a hitch.
|Landing. She's still trying to fly.|
|She rests, hanging loose.|
|He gets himself well anchored ...|
|... and pulls her back to his level.|
|She curls her abdomen forward.|
He has already pre-loaded the sperm bank on the bottom of his thorax, from the genital organ at the tip of his abdomen. Now she has to get her own genital opening into position.
|Contact! And they make a two-tone heart together.|
I shifted position, getting a firmer foothold, and the winged heart flew away. She will lay her eggs now in a plant underwater. He will hold on, staying dry himself, keeping her safe, until she is done.
(And another heart for Clytie.)