The genus Rugilus Leach, 1819 in the Portuguese fauna (Coleoptera: Staphylinidae: Paederinae) Author Ferreira, Raul Nascimento text Arquivos Entomolóxicos 2021 2021-09-18 24 243 248 journal article 10.5281/zenodo.13244639 1989-6581 13244639 Rugilus (Rugilus) erichsonii (Fauvel, 1867) Material examined: Beira Alta , Guarda , Pinhel , Souro Pires , 4-IX-2004 , 1 ex. Distribution: See Sch̡lke & Smetana (2015). Distribution in Portugal : Guarda , Minho. Remarks: Length 3.5-4.5 mm. Species black with posterior area of elitra yellowish to straw color. Legs, antennae and mouthparts entirely yellow-reddish. Head without mouthparts wider than long, and as width as elytra. For a more complete description see Coiffait (1984) . Aedeagus as in Fig . 2 . The species is found all year round with two peaks, one from March to April and the other from June to August . Immatures are frequently found in August and the adults hibernate. Adults found in a wet and muddy spot between brushes and decaying plant materials. This species is not referred for Portugal in the Palaearctic Catalogue (Sch̡lke & Smetana, 2015). Gamarra & Outerelo (2020) mention the species from Minho and Rougemont (1988) reports this species from Guarda .