A Pison sp. mud wasp (Crabronidae) nest.

Yandoit, Victoria, Australia
A Pison sp. mud wasp (Crabronidae). The sealed cells contain paralyzed spiders that will serve as food to her offspring.

Yandoit, Victoria, Australia
A Pison sp. mud wasp (Crabronidae) nest.

Yandoit, Victoria, Australia
A Pison sp. mud wasp (Crabronidae) nest.

Yandoit, Victoria, Australia
A Pison sp. mud wasp (Crabronidae) nest.

Yandoit, Victoria, Australia
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all images and text © Alex Wild 2001-2013