Raymond Tifft Fuller, Walk, look & listen ! Sign Posts on a Naturalist’sHhighways, New York, The John Day Company, 1929,p. 41-42.

If a caddis-worm tube from the pond bottom is familiar to you, you will instantly recognize these Bagworm cases. Bits of leaves, straws, cedar needles, are woven in with the insect’s silk strands, so that the whole looks like a little bag of trash- the female’s an inch or more in lenght, the male’s smaller.