The larvae of Formicomus pedestris Rossi, F. gestroi Pic, and F. rubricollis Laferté (Coleoptera: Anthicidae, Anthicinae) are described and biological data of the reared larvae are given. The life cycles of Omonadus floralis (Linné) and Notoxus monoceros (Linné) are illustrated, and notes of breeding experiments with Stricticomus amaniensis Pic are added.