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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Tubeworm, Bagworm, and Clothes Moths (Tineoidea) » Bagworm Moths (Psychidae) » Oiketicinae » Apterona » Snailcase bagworm - Hodges#0438.1 (Apterona helicoidella)
Photo#232777
Small coiled cocoons on wall - Apterona helicoidella
Copyright © 2008 Tim Eisele

Small coiled cocoons on wall - Apterona helicoidella
Houghton, Houghton County, Michigan, USA
October 10, 2008
Size: About 5 mm
These little coiled cocoons are pretty common around town, usually stuck to masonry walls or windows. They are about the shape of helical snail shells, and feel like a silk tube with sand stuck all over the surface. They adhere to surfaces by one end, and only come off with difficulty. Anybody know what they are?

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Small coiled cocoons on wall - Apterona helicoidella Small coiled cocoons on wall - Apterona helicoidella Small coiled cocoons on wall - Apterona helicoidella
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Contributed by Tim Eisele on 11 October, 2008 - 3:50pm
Last updated 15 October, 2008 - 5:07am

now Apterona helicoidella
Now treated as Apterona helicoidella.(1)(2) See "Remarks" on Info page here.
… Steve Nanz, 17 November, 2016 - 5:24am login or register to post comments

Found it
OK, I see that it is on the site already. It looks to be a Snailcase Bagworm, Apterona helix.
… Tim Eisele, 15 October, 2008 - 5:02am login or register to post comments

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