Polyphemus Moth Caterpillar

Big Yellow-Green Crawler with mouse teeth
Thu, Oct 30, 2008 at 3:25 PM
I found this crawling down our driveway this morning and the kids and I want to know what it is? We live in North Texas and have some Live Oak trees.
Always Wondering
Dallas, TX area

Polyphemus Caterpillar
Polyphemus Caterpillar

Dear Always,
This is a Polyphemus Moth Caterpillar, Antheraea polyphemus, and you may find information on the caterpillar and moth by visiting BugGuide. Giant Silkworm Caterpillars like this are often noticed when they leave trees and search for places to pupate.

Photo of author


BugMan aka Daniel Marlos has been identifying bugs since 1999. WhatsThatbug.com is his passion project and it has helped millions of readers identify the bug that has been bugging them for over two decades. You can reach out to him through our Contact Page.

1 thought on “Polyphemus Moth Caterpillar”

  1. I recognize the caterpillar, but I’m not sure what that other thing is in the picture. I vaguely remember seeing these things in the past and I think they have something to do with being able to purchase goods and services but I am not sure…


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