#7828 modesta

Big Poplar Sphinx

Pachysphinx modesta (Harris, 1839)

Family: Sphingidae

Status: Occasional resident

Larval Hostplant(s): Poplar, Cottonwood (Populus) and Willow (Salix)

Range: Found throughout the United States with the exception of Nevada and California.

NENHP Ranking: Not listed

Broods/Flight Times: Two broods

Habitat: Near hostplants, often in wooded areas.

Avg. Wingspan: 4 – 4 3/4 Inches

Found at: Box Elder WMA, Fontenelle Forest, Gilbert-Baker WMA, Harlan County Reservoir, Indian Cave SP, Niobrara Valley Preserve, Wildcat Hills SRA, Willow Creek SRA.

Overwintering: As pupae in leaf litter or the soil.

Similar Species:


🔗Links: Moth Photographers Group, BugGuide.net

Big Poplar Sphinx