Uropodina species from Vietnam (Acari: Mesostigmata) Author Kontschán, Jenő Author Starý, Josef text Zootaxa 2011 2807 1 28 journal article 47655 10.5281/zenodo.202067 023eab0e-3e4c-432d-a818-ad4a6b2d2aae 1175-5326 202067 Key to the Asian species of Trachytes (females) Information from Chen et al . (2008) , Hiramatsu (1979 , 1980 ) and Ma (2001) is based on their illustrations. 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 )