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 Stigmatomyces geomyzae W.Rossi & Cesari MB#113381 Fig. 59A–F Giornale Botanico Italiano 113 (5–6): 384 ( Rossi & Cesari Rossi 1980 ) . – Type : “Sullo scutello e tra le zampe di un esemplare di Geomyza tripunctata Fall. (Opomyzidae) catturato in località Colli del Forno, nel comune di Montelibretti (Roma). Holotypus in herbario Instituti Botanici apud Universitatem Studiorum Romae, n. 933 ”; RO. Diagnostic features Basal cell of appendage darkened ( Fig. 59E , bc a), supporting a series of five ± isodiametric cells, each bearing solitary antheridia on the inner side, except the upper cell which gives rise to two antheridia, the distal of which is spinose ( Fig. 59E , sx). Perithecium with an oval venter, and a well-distinguished, short neck which tapers distally to an asymmetrical tip, showing four lips arranged as: one protuberant in the back, two identical on the sides, and one short in the front ( Fig. 59C–D ). Perithecial outer wall cells arranged spirally and forming conspicuous ridges on the venter ( Fig. 59F ). [Detailed description: Weir & Rossi 1995 ] Distribution and hosts Reported from Italy ( type ), Spain ( Santamaria & Rossi 1993 ), United Kingdom ( Weir & Rossi 1995 ), and Portugal ( Rossi et al. 2013 ). Specific on species of Geomyza ( Diptera Opomyzidae ). Collections examined from Denmark On Geomyza balachowskyi Mesnil, 1934 ( Diptera Opomyzidae ) DENMARK – Nordøstjylland (NEJ) • Nordmarken , Laesø ; 57°18.919′ N , 11°4.819′ E ; PJ25; 11 Jul. 1969 ; Zool. Mus. Exp. Dry 0011 ; J.W.A. v. Zuijlen det.; ZMUC C-F-124024 . On Geomyza tripunctata Fallén, 1823 ( Diptera Opomyzidae ) DENMARK – Lolland, Falster, Møn (LFM) • Møns Klint , Syd ; 54°56.985′ N , 12°32.270′ E ; UA49; 19 Aug. 2019 ; JP 1494 ; V. Michelsen det.; ZMUC C-F-124080 . – Nordøstjylland (NEJ) • Nordmarken , Laesø ; 57°18.919′ N , 11°4.819′ E ; PJ25; 15 Jul. 1969 ; Zool. Mus. Exp. Dry 0010 ; J.W.A. v. Zuijlen det.; ZMUC C-F-124023 . – Nordøstsjaelland (NEZ) • Pinseskoven ; 55°35.839′ N , 12°33.250′ E ; UB46; 6–20 May 2017 ; W. Gritsch 1179 ; W. Gritsch det.; ZMUC C-F-123703 . Remarks First record from Denmark . It is probably a much more common species than the absence of records seems to indicate.