First data on Leptotyphlinae (Coleoptera: Staphylinidae) from Gibraltar, with the description of Paratyphlus tristancanoi sp. n., and new record of Gynotyphlus perpusillus (Dodero, 1900). Heteropterus Revista de Entomologia, 18(1) 2018: 21-24. 22 [Zoological Record Volume 154]