“Polyborus plancus” by Alexander Wetmore (20 Jul 1920) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Smithsonian Open Access.

Polyborus plancus

Alexander Wetmore

Title	Polyborus plancus
Artist	Alexander Wetmore
Date	20 Jul 1920 20th century
Medium	Skin: Whole
Origin	Chaco, Argentina, South America Chaco
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

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Updated 2026-09-06