On the taxonomy of the dityline genera Diasclera Reitter, Dityloidea Fairmaire and Germain and Nerdanus Fairmaire (Coleoptera: Oedemeridae) Author Švihla, Vladimír text Zootaxa 2007 1619 45 51 journal article 10.5281/zenodo.179148 3af5092e-bc0e-4272-8cfc-8a9e0e8e3d32 1175-5326 179148 List of Diasclera species Diasclera bicolor (Horn, 1870) , comb. nov. Distribution: USA : Oregon, California. Diasclera cyanipennis (Horn, 1870) , comb. nov. Distribution: USA : California. Diasclera obscura (Le Conte, 1854 ) , comb. nov. Distribution: USA : California, New Mexico , Texas, Nevada, Arizona, Utah, Colorado; Mexico : Durango. Diasclera sibirica sibirica (Gebler, 1830) . Distribution: Russia : Krasnoyarsk reg., Tuva, Buryatia, Chita reg.; northern Mongolia . Diasclera sibirica laevithorax (Pic, 1915) . Distribution: Russia : Primorye, Khabarovsk reg.; China : Heilongjiang; North Korea . Diasclera viridescens viridescens Reitter, 1913 . Distribution: Azerbaijan . Disclera viridescens oxiana Iablokoff-Khnzorian, 1974. Distribution: Tajikistan . Discussion. The distribution of the genus Diasclera is disjunct, partially amphi-pacific, as that of other animal groups (e.g. order Grylloblattodea or beetle families Cephaloidae or Eulichadidae ), with isolated species in Central Asia and Caucasus.