TWO NEW SPECIES OF GENUS Melanesthes LACORD. FROM DESERD OF N. W. CHINA(Coleoptera. Tenebrionidae)
中国西北沙漠拟步甲二新种：（鞘翅目：拟步甲科）

Two new species of the genus Melanesthes Lacord. 1859 are described. They were collected from Tengger Desert and the Maowusu Desert in N. W. China. The type specimens are deposited in the Insect Collection of Ningxia Agricutural College,