Uropodina species from Vietnam (Acari: Mesostigmata) Kontschán, Jenő Starý, Josef Zootaxa 2011 2807 1 28 [491,609,151,177] Arachnida Trachytidae Trachytes GBIF Animalia Mesostigmata 4 5 Arthropoda genus    1. Genital shield wide, oblong, anterolateral angles rounded...................................................... 2  - Genital shield axe-shaped, anterolateral angles pointed........................................................ 3   2. Additional sternal setae present (with seven pairs of sternal setae)....  Trachytes changbaiensis Chen, Bei & Yin 2008( China)  - Additional sternal setae absent (with five pairs of sternal setae)................  Trachytes vietnamensis  sp. nov.( Vietnam)   3. Genital shield ornamented...............................................  Trachytes yinsuigongi Ma, 2001( China)  - Surface of genital shield smooth.......................................................................... 4   4. St1 longer than other sternal setae............................................  Trachytes jilinensis Ma, 2001( China)  - St1 not longer than other sternal setae...................................................................... 5   5. Dorsal shield setae smooth.............................  Trachytes agerota(C. L. Koch, 1841)(Europe and Mongolia)  - Dorsal shield setae pilose............................................................................... 6   6. St2 near anterior margin of genital shield..................................  Trachytes onishii Hiramatsu, 1980( Japan)  - St2 near central region of coxae II......................................................................... 7   7. Surface of dorsal shield between j-setae smooth, St4 and St5 smooth......  Trachytes hokkaidoensis Hiramatsu, 1980( Japan)  - Dorsal shield between j-setae with irregular pits, St4 and St5 pilose..............  Trachytes aokii Hiramatsu, 1979( Japan)