Wasp Walks on Water

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During Spring planting, this Wasp was seen landing in a greenhouse Flat filled with water. The Wasp would hover over the water and gently descend until all six feet touched down, much like a helicopter Pilot. Then it would put its mouth into the water for about ten seconds, and fly away. This photo clearly shows the mouth-to-water contact.

It continued this routine for as long as I planted; about forty-five minutes. I was amazed that it had learned to use the water tension to support its weight like a Water Strider. I assumed that it was taking the water to its nest for the brood or to cool the nest through evaporation. Later, I noticed a similar Wasp collecting water from a leaf made wet by automatic Sprinklers, and I wondered to myself if it might be the same Wasp.