Four new species of the millipede genus Eutrichodesmus Silvestri, 1910 from Laos, including two with reduced ozopores (Diplopoda, Polydesmida, Haplodesmidae)

Habitus photographs. A E. steineri sp. n., male paratype (SMF) from Cave Tham Dout, ventrolateral view B E. deporatus sp. n., a male ecological photo from Cave Tham Pathok, sublateral view C E. paraster sp. n., male holotype (SMF) from Cave Tham Long Puang, lateral view D E. parvus sp. n., male paratype (ZFMK) from Cave Tham Nam Long, lateral view.