Key words: Psocoptera, psocid, booklice, booklouse, barklice, barklouse, psocidology, psocidologists, PsocoNet
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Title photos: Top left - Aaroniella sp. (Philotarsidae); top right - Reuterella helvimacula (Elipsocidae); middle left - Paracaecilius japanus (Caeciliusidae); middle right - Psocus sp. (Psocidae); bottom - a species of Amphipsocidae. © K. Yoshizawa, 2001.