TWO NEW SPECIES OF THE MILLIPEDE ORDER POLYDESMIDA FROM SOUTHERN CHINA (DIPLOPODA)

摘要

Two new species of Polydesmida are described from China: Epanerchodus fuseus sp. n. (Polydesmidae), from Yunnan Province, and Riukiaria spatuliformis sp. n. (Xystodesmidae), from Sichuan Province. Both species are mainly distinguished from their congeners by highly characteristic colour patterns and, especially, gonopod conformations. The former species shows nearly blackish middle regions of terga with contrasting light brown lateral parts of paraterga, coupled with a stout anchor-shaped process p1, a long spine-shaped p2, a long lamellar endomere and a missing exomere. The latter species demonstrates a clearly cingulate pattern of dark castaneous metazonae and light olive green prozonae, combined with a spatulate preferhoral process and a long, slender solenomere, the distal third subgeniculate.