Federal customs officers were sifting through luggage at Detroit Metropolitan Airport last fall when they stumbled upon seed pods with little holes in them in one passenger’s bag. Inside, they found ...

If ignored, clothes moth larvae progress to the pupae stage, and homeowners may find their husk-like, tube-shaped cocoons (or casings) on clothes. The larvae eventually emerge as winged adults and ...

I talked about your question with my friend Allan Felsot. He’s an insect scientist at Washington State University. He told me cocoons are mostly silk. But they’re usually made by moths. A butterfly ...