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Comments & ID Thoughts
This spider was a little bigger than a quarter. It made a web in my window. I left it there. Thought it was neat looking! It has died. It got cold i think that did it
- Submitted by:
- Submitted: Oct 30, 2025
- Photographed: Sep 18, 2025
- Spider: Araneus trifolium (Shamrock Orb-weaver)
- Location: Portland, Maine, United States
- Spotted Outdoors: Man-made structure (building wall, fences, etc.)
- Found in web?: Yes
- Attributes:
Sep 21, 2025
Sep 21, 2025
Oakdale, 
This is an orb weaver, it is typical for them to die off with the first frost or not long after laying eggs.
She might have been a Shamrock Orbweaver, Araneus trifolium. I’d give you a link for info, but the server is down. She was pretty, I hope she made an egg sac.
She did in the corner. Sadly it is in the window track and would be smooshed it the window is opened.
I looked it up on another site and it is a shamrock orb weaver. I knew it was a kind of orb weaver to befin with I have just never seen one like that! Im used to seeing the black and yellow garden spiders.
You can move the egg sac, if it is still there, using a thin scraping tool to move it to a sheltered spot about at least 5 feet from the ground. The mother won’t survive the season, but the eggs are freeze-resistant. The spiderlings develop in the sac until Spring. This is a species of Northern States and Canada. I haven’t seen one yet. They have various body colors, sometimes with white markings. The legs are always alternating light color and a dark color. I actually haven’t seen the black and yellow Orbweavers in New Hampshire yet too. There are… Read more »