Laboulbeniomycetes (Fungi, Ascomycota) of Denmark Author Santamaria, Sergi Unitat de Botànica, Departament de Biologia Animal, de Biologia Vegetal i d’Ecologia, Facultat de Biociències, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès (Barcelona), Spain. sergi.santamaria@uab.cat Author Pedersen, Jan Natural History Museum of Denmark (Zoological Museum), University of Copenhagen, Universitetsparken 15, 2100 København Ø, Denmark. japedersen@snm.ku.dk text European Journal of Taxonomy 2021 2021-11-26 781 1 425 http://dx.doi.org/10.5852/ejt.2021.781.1583 journal article 10.5852/ejt.2021.781.1583 2118-9773 5828924 Diphymyces niger (T.Majewski) I.I.Tav. MB#105264 Fig. 52A–B Mycologia Memoirs 9: 203 ( Tavares 1985 ) . – Basionym : Corethromyces niger T.Majewski, Acta Mycologica 9(1): 114 ( Majewski 1973a ) [MB#311808]. – Type : “ On Ptomaphagus sericatus (Chaud.) (Col. Catopidae ): Ojców near Kraków Saspowska valley , 8.6.1971 , leg. A. Kosior ( TM. 919holotype )”; KRAM . [ Poland ] Laboulbenia ptomaphagi Huggert ( Huggert 1973: 249 ) [MB#316150] Diagnostic features Thallus stocky, up to 80–90 µm long; entirely dark brown with the exception of paler appendage and cell I. Appendage profusely branched. Perithecial tip bearing one stout, tooth-like prominence ( Fig. 52B , arrow). [Detailed descriptions: Majewski 1994b ; Santamaria 2003 ] Distribution and hosts On members of the genus Ptomaphagus (Col. Leiodidae ) from Poland , France , Spain , United Kingdom , Czech Republic , Russia , Finland , Denmark , Sweden ( Majewski 2008 ), Italy ( Balazuc 1973b ), Bulgaria and Slovenia ( Rossi et al. 2019a ). Collections examined from Denmark On Ptomaphagus sericatus (Chaudoir, 1845) (Col. Leiodidae ) DENMARK Lolland, Falster, Møn (LFM) Møns Klint , Syd ; 54°56.985′ N , 12°32.270′ E ; UA49; 3 Aug. 2019 ; JP 1489 ; JP det.; ZMUC C-F-124075 . On Ptomaphagus subvillosus (Goeze, 1777) (Col. Leiodidae ) DENMARK Sydsjaelland (SZ) Østerskov ved Langebaek ; 54°59.572′ N , 12°6.715′ E ; UA19; 3 Jan. 2019 ; JP 1294 ; JP det.; ZMUC C-F-123826 . Remarks The recently collected specimens confirm the previous record from Denmark ( Huggert 1973 ).