Stygiotrechus is a genus of beetles in the family Carabidae, containing the following species: \n* Stygiotrechus azami Ashida & Kitayama, 2004 \n* Stygiotrechus eos Ueno & Naito, 2003 \n* Stygiotrechus esakii Ueno, 1969 \n* Stygiotrechus itoi Ashida & Kitayama, 2003 \n* Stygiotrechus iyonis Ueno & Ashida, 2003 \n* Stygiotrechus kadanus Ueno, 2001 \n* Stygiotrechus kitayamai Ueno, 2001 \n* Stygiotrechus kubotai Ueno, 1958 \n* Stygiotrechus misatonis Ashida & Kitayama, 2003 \n* Stygiotrechus miyoshiorum Ueno, 1969 \n* Stygiotrechus morimotoi Ueno, 1973 \n* Stygiotrechus nishikawai Ueno, 1980 \n* Stygiotrechus ohtanii Ueno, 1969 \n* Stygiotrechus pachys Ueno, 1970 \n* Stygiotrechus parvulus Ueno, 1969 \n* Stygiotrechus sasajii Ueno & Naito, 2007 \n* Stygiotrechus satoui Ueno, 1976 \n* Stygiot