A review of the family Oedemeridae (Coleoptera) of the Socotra Archipelago Author Švihla, Vladimír text Acta Entomologica Musei Nationalis Pragae 2012 2012-12-17 52 337 346 journal article 10.5281/zenodo.5339158 0374-1036 5339158 Key to the Socotran species of the Oedemeridae 1. Both mandibles and claws simple. .................................................................................. 2 – Either both mandibles bifid apically or right mandibles with subapical tooth; claws dentate basally. ............................................................................................................................. 3 2. Parameres with ventrobasal tooth, pygidium rounded apically in both sexes, coloration as in Figs. 1–2 . Socotra . ....................... Colobostomoides marshalli socotraensis ssp. nov. – Parameres without ventrobasal tooth; pygidium narrowly incised apically in both sexes; for habitus and coloration as in ŠVIHLA (2008b) . Socotra , UAE , S Pakistan . ..................... .............................................................. Probosca ( Proboxanth a) maindroni ( Pic, 1935 ) 3. Both mandibles bifid apically; basal teeth of claws reaching at least their midlength; pygidium triangularly emarginate in both sexes; parameres glabrous; habitus and coloration as in Figs. 6–8 . Socotra . ................................................... Anisochrodes janavlada sp. nov. – Left mandibles simple, right one with subapical tooth; basal teeth of claws not reaching their midlength; pygidium rounded in both sexes; parameres pubescent. ...................... 4 4. Head and vertex unicolor; aedeagus with apical tooth; habitus and coloration as in Fig. 5 . Socotra , Abd al Kuri. .......................................... Dentostomus guichardi ( Švihla, 1987 ) – Head with darker spot on vertex; pronotum infuscate medio-longitudinally and laterally; aedeagus without apical tooth; habitus and coloration as in Figs. 3–4 . Socotra , Darsah, Abd al Kuri. ...................................................... Dentostomus socotrensis ( Švihla, 1986 )