GrowNativePlants Plant Directory

Big Poplar Sphinx

Pachysphinx modesta butterfly / moth

Big Poplar Sphinx
(c) Ian Manning, some rights reserved (CC BY), uploaded by Ian Manning

Large hawkmoth whose caterpillars feed on poplar and willow foliage.

3 documented plant relationships.

lays eggs on

Balsam PoplarPopulus balsamiferatree · April–May(c) bobkennedy, some rights reserved (CC BY-SA), uploaded by bobkennedyPussy WillowSalix discolorshrub · March–April(c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas GoldmanTrembling AspenPopulus tremuloidestree · April