Meet the Masons

Dec 1, 2009

Mason wasps are strikingly beautiful.

The black and yellow patterns are intriguing, but even more intriguing are the mud nests they build.

Makes sense that these wasps are called mason or potter wasps, named for what they do. Their human counterparts work with stone, brick, and concrete.

Native Americans reportedly designed some of their pottery in the shape of wasp nests.

Last month we spotted two mason wasps in our garden. One was seemingly sunning itself on a salvia leaf. Another was sipping nectar from a rock purslane.

Now if we could only find their nests...


By Kathy Keatley Garvey
Author - Communications specialist

Attached Images:

MASON WASP sipping nectar from a rock purslane. The wasp is from the family Vespidae and subfamily Eumeninae. It's probably from the genus Ancistrocerus, according to Robbin Thorp, emeritus professor of entomology at UC Davis.  (Photo by Kathy Keatley Garvey)

Mason Wasp

FEMALE mason wasp, family Eumenidae, is a solitary wasp that lives in pre-existing cavities and makes mud partitions between its brood cells.  This one is possibly in the genus Ancistrocerus or maybe Euodynerus, says Robbin Thorp, emeritus professor of entomology at UC Davis.  (Photo by Kathy Keatley Garvey)

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