Nine new species of caddisflies are described from southeastern and central China, including 7 species of Leptoceridae: Ceraclea (Ceraclea) megalophyllon Yang Morse sp. n., C. (Athripsodina) aerumnula Yang Morse sp. n., C. (Ath.) lamellata Yang Hu sp. n., Oecetis (Oecetis) discedens Yang Morse sp. n., Oe. (Pleurograpta) spinellosa Yang Hu sp. n., Setodes charax Yang Morse sp. n., and S. scutatus Yang Morse sp. n. Two species of Odontoceridae also are included: Phraepsyche acuminata Yang Morse sp. n. and Psilotreta longicornis Yang Morse sp. n. The male genitalia of all species and female genitalia of C. megalophylla, C. lamellata, Oecetis discedens, and Oe. spinellosa are figured.
Keywords: Trichoptera, male genitalia, female species recognition, Ceraclea, Oecetis, Setodes, Phraepsyche, Psilotreta.