Is “Aphis caryella” in the public domain?

Yes. “Aphis caryella” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Can I use “Aphis caryella” commercially for free?

Yes. As a CC0 public-domain work it can be used commercially, modified and redistributed with no fee and no attribution required.

“Aphis caryella” by A. Fitch (31 Oct 1854) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Digital Public Library of America.

Aphis caryella

A. Fitch

Title	Aphis caryella
Artist	A. Fitch
Date	31 Oct 1854 19th century
Classification	image
Holding institution	Digital Public Library of America
Credit line	Digital Public Library of America, via {'@id': 'http://dp.la/api/contributor/nmnh---entomology-dept', 'name': 'NMNH - Entomology Dept'}.
Rights	Public domain (CC0)