He lifts both of his number 3 legs and waves them in the air. If the female is watching, he will undo his abdomen flaps and tilt his abdomen forward showing her his best display.
Here he is starting to lift his abdomen to show the female.
At this point the female, turned and jumped away.
We never got a photo of a full abdomen display from the front. The season for these is nearly over.
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