Ribaut, 1923; Wagner, 1952d; Zheng, 1982b; Zheng & Bu, 1990.
Distribution
Protić, 1998a (Bosnia Hercegovina Macedonia Serbia); Coulianos, 2005 (Estonia); Ostovan & Mirhelli, 2005 (Iran); Lewis & Lattin, 2010 (records from North America refer to O. vicinus); Heckmann et al., 2015 (Crete); Ostovan et al., 2017 (Iran); Baymak & Kıyak, 2022 (Kosovo).