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kottke.org posts about John Horstman

The Bagworm Caterpillar’s DIY Mobile Log Cabin

The bagworm caterpillar is quite the animal architect. In preparation for its transformation into a moth, the caterpillar builds itself a house that it carries around on its back out of materials it finds in its habitat, like sticks or leaves. When it enters the pupa stage, the caterpillar fastens the house to something solid and hunkers down inside.

a little house a bagworm caterpillar has built on its back out of twigs

a little house a bagworm caterpillar has built on its back out of twigs

a little house a bagworm caterpillar has built on its back out of twigs

I couldn’t source the top photo but the bottom two were taken by John Horstman, who has a bunch of incredible photos of bagworm caterpillar houses on Flickr. Nicky Bay has also taken many photos of bagworm caterpillar architecture.