The present work deal with subfamily Pimilliinae including the tribes Adelostomini, Adesmiini, Akidini, Asidini, Bromorphini, Cnemeplatiini, Erodiini, Pimelliini, Sepidiini, Stenosini, Tentyriini, & Zophosini. Representatives of most tribes and genera were available whether from the field survey during the present work and/or at the Egyptian Reference Insect Collections. Illustrated Keys are constructed for the main feature of each tribe and genus to facilitate the differentiation between them.