really interesting wasp with a white abdomen

Now more than 48 hours of continuous rain. Sure wish we could get some of this in Texas! I sit on the covered deck here or at another nearby location and take photos of wet birds or look for moths on the wall.

Rancho Easley
near Rancho Naturalista
Cartago Province,
Costa Rica
10 February 2016
9.8303
-83.5630
3138 ft elevation