Trephionus abibaTrephionus abiba, is a species of beetle belonging to the family Carabidae. It is endemic to Japan.EtymologyThe specific name abiba is an anagram of the sympatric species Trephionus babai.DescriptionBody length of male is about 8.1 mm, whereas female is 9.8 mm. Head and pronotum black. Elytra blackish brown to black. Endophallus stout in shape. No hind wings. Dorso-apical lobe simple and rudimentary. Apex of aedeagus truncate.