Description of five species of the tribe opatrini-larvae (Coleoptera: Tenebrionidae)

The larval morphology of five species of the tribe Opatrini is described for the first time in this paper. They are Melanesthes punctipennis, Melanesthes sp., Melanesthes jintaiensis, Melanesthes exillidentada, Jintaium sulcatum. The search table and their characteristic diagram above mentioned species are given. The specimens are preserved in the Insect Collection of Agricultural School of Ningxia University.