Trinity College Library, Dublin
Literally, the term “BOOKWORM” refers to various insects whose larvae infest books, piercing the pages with small holes. eating the paper or the paste in the bindings. No single species may properly be called bookworm, but bookworms may be booklice (pidocchi dei libri). silverfish (cimici), beetles (scarafaggi), spiders, (ragni), etc.
As an idiom, the term is used to describe a person excessively devoted to studying or reading. In Italian we use: “topo di biblioteca”