Booklouse and Psocopterous insect

Booklouse noun - Minute wingless psocopterous insects injurious to books and papers.

Psocopterous insect and booklouse are semantically related. In some cases you can use "Psocopterous insect" instead a noun "Booklouse".

Psocopterous insect noun - Small soft-bodied insect with chewing mouthparts and either no wings or two pairs.

Booklouse and psocopterous insect are semantically related. Sometimes you can replace term "Booklouse" with "Psocopterous insect", this terms are similar.