Eggs of big poplar sphinx, or western poplar sphinx, Pachysphinx occidentalis.

Eggs of big poplar sphinx, or western poplar sphinx. Credit: Whitney Cranshaw, Colorado State University, Bugwood.org<br />Licensed under a <a href=Creative Commons Attribution 3.0 License" />
Eggs of big poplar sphinx, or western poplar sphinx, Pachysphinx occidentalis. Credit: Whitney Cranshaw, Colorado State University, Bugwood.org
Licensed under a Creative Commons Attribution 3.0 License