Subject: What’s that bug?
Location: Northeast Ohio
August 12, 2017 9:55 am
We are wondering if this is a milkweed bug? Or “other”
Signature: Pamela

Ailanthus Webworm Moth

Dear Pamela,
The Ailanthus Webworm Moth is an Ermine Moth.  Your image has beautiful detail.

Location: Northeast Ohio

One Response to Ailanthus Webworm Moth

  1. Dave Harmon says:

    I regularlysee these pretty things on my door (and today, inside my house) in Virginia. They are very mellow, staying put even as I open the door.

    Googling around I find it feeds off the invasive Ailanthus tree, aka Tree-of-Heaven. Alas, I doubt they’re doing much to control the invaders, as Tree-of-Heaven sounds like a botanical rough customer. (The tree grows to 50-90 feet high, kills off nearby plants, regrows quickly from roots when cut, and spreads by both seeds and suckers.)

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