Abstract Species of the genus Lathrobium Gravenhorst from Longwangshan Mountain, Zhejiang, East China are studied. A total of five species are recognized, among which three are described here as new: Lathrobium lingae sp. n., Lathrobium longwangshanense sp. n. and Lathrobium uncum sp. n., one species was unidentified and the female of Lathrobium tianmushanense Watanabe is newly reported. All of these species are illustrated and keyed.