Abstract
New Brazilian species of Musapsocus (1), Thyrsopsocus (1), Psococerastis (1), Metylophorus (1), Psocidus (1). Myopsocus (1), Phlotodes (1), and Lophopterygella (2) are described and figured, and augmented descriptions given of Cervopsocus medialis New and Psocidus quadrisignatus (Banks). Musapsocus and Lophopterygella are here recorded from Brazil for the first time.