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 Cantharomyces denigratus Thaxt. MB#262988 Fig. 75F–G Memoirs of the American Academy of Arts and Sciences 16: 27 ( Thaxter 1931 ) . – Type : [Not designated] [Ind. loc.] “On Parnus griseus and P. luridus , New Forest, Hampshire , England ; kindly communicated by Mr. F. Muir”; FH. [ United Kingdom ] Diagnostic features Thallus stocky. Cell II almost entirely blackened except for a small area below cells III and VI; this blackening spreads towards the dorsal margin of cell III. Cells I and II separated by a constricted septum; forming a geniculate stalk. Cell VI strongly constricted at the middle ( Fig. 75F , arrow). Antheridium occupying the side of the appendage basal cell ( Fig. 75F , an). Primary appendage unbranched. [Detailed descriptions: Majewski 1994b ; Santamaria 2003 ; De Kesel & Haelewaters 2014b ] Distribution and hosts On Dryops (Col. Dryopidae ) from United Kingdom ( type ), Poland ( Siemaszko & Siemaszko 1933 ), Spain ( Santamaria 1992a ), Sweden ( Huggert 2010 ), and Belgium ( De Kesel & Haelewaters 2014b ). Collections examined from Denmark On Dryops anglicanus Edwards, 1909 (Col. Dryopidae ) DENMARK Sydsjaelland (SZ) Holmegårds Mose ; 55°17.685′ N , 11°47.928′ E ; PG73; 26 Apr. 2020 ; JP 1606 ; JP det.; ZMUC C-F-124362 . On Dryops auriculatus (GeoffroY, 1785) (Col. Dryopidae ) DENMARK Sydjylland (SJ) Lakolk ; 55°8.325′ N , 8°29.618′ E ; MG62; 31 May 2013 ; JP 107 ; JP det.; ZMUC C-F-122584 . On Dryops luridus (Erichson, 1847) (Col. Dryopidae ) DENMARK Lolland, Falster, Møn (LFM) Røgbølle Sø ved Sørup ; 54°42.497′ N , 11°34.760′ E ; PF66; 3 Sep. 2019 ; JP 1511 ; JP det.; ZMUC C-F-124266 . On Dryops similaris Bollow, 1936 (Col. Dryopidae ) DENMARK Nordøstsjaelland (NEZ) Amager Faelled ; 55°38.631′ N , 12°34.729′ E ; UB47; 15 Apr. 2018 ; JP 1035 ; JP det.; ZMUC C-F-123548 Asserbo Plantage ; 56°1.984′ N , 12°0.817′ E ; UC11; 28 Apr. 2019 ; JP 1454 ; JP det.; ZMUC C-F-124004 . Remarks First record from Denmark . Cantharomyces denigratus and C. italicus cannot be considered growth forms of the same species because there are no correlations with host sex and growing location.