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Photo#1947553
Green caterpillar on euphorbia cactus - Erinnyis ello

Green caterpillar on euphorbia cactus - Erinnyis ello
Royal Palm Beach, Florida County, Florida, USA
March 14, 2021
Size: 1 in
Hello, I'm a first time user so i apologize if I'm on the wrong forum.
I would like to ID this green caterpillar that is eating on our euphorbia cactus. We've not seen these before and would like to know if they are friend or foe.
Thanks in advance.

Moved
Moved from Sphinx Moths.

Please Double-check
The large genus Euphorbia is not really a true form of cactus. (Cactaceae) Please double-check and make sure that you have the correct name of the plant food. Many of the genus Euphorbia have a somewhat toxic milky sap.

Age Box - Please remember to select "Immature" for all of your larvae submissions.

All Sphinx moths are friends and most of them are not real harmful pests of any crop. Please rear them. WELCOME TO BUGGUIDE!!!!!!

 
Thank you for the Info and assistance.

Sphinx moths
Always wonderful to find. Maybe you can raise some and photograph the adults when they emerge. Something like

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