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 Tavaresiella hebri T.Majewski MB#112656 Fig. 65A–B Acta Mycologica 16: 148 ( Majewski 1981 ) . – Type : “ On Hebrus ruficeps Thoms. (Heteroptera, Hebridae ): Dlugie near Izbica Kujawska (Wloclawek voivodeship), muddy borders of shallow ditches at a meadow on the Northern end of Dlugie Lake, 22.5.1976 , leg. T. Majewski (… 1590 – holotype …)”; KRAM–F . [ Poland ] Diagnostic features Cell I forming a thin, straight, externally darkened projection ( Fig. 55A–B , arrows). Primary appendage consisting of a somewhat flattened basal cell giving rise to an inner antheridial branch and a simple outer branch. Inner branch formed by an elongated main cell ( Fig. 55A–B , *) bearing on the outside a row of sessile antheridia or simple branchlets supporting antheridia. [Detailed descriptions: Benjamin 1993 ; Majewski 1994b ] Distribution and hosts Confined to the true bug Hebrus ruficeps ( Hemiptera Hebridae ) from Poland ( type ), Spain ( Santamaria 1993a ), and Costa Rica ( Goldmann & Weir 2018 ). Collections examined from Denmark On Hebrus ruficeps Thomson, 1871 (Heteroptera; Hebridae ) DENMARK – Lolland, Falster, Møn (LFM) • Hjelm Kobbel ; 54°54.863′ N , 12°14.918′ E ; UA28; 28 Aug. 2019 ; JP 1504 ; JP det.; ZMUC C-F-124091 . – Sydsjaelland (SZ) • Bårse ; 55°7.680′ N , 11°56.494′ E ; PG81; 24 Aug. 2019 ; JP 1503 ; JP det.; ZMUC C-F-124090 . Fig. 65. A–B . Tavaresiella hebri T.Majewski. Two mature thalli with labelled I, II, III cells, elongated main cell of inner appendage branch (*), and darkened projection from cell I (arrows). – C–G . Amorphomyces ventricosus Santam. sp. nov. C . Lower area of perithecium in detail to focus on cells n and some of the wall cells (w n). D–F . Female mature thalli. G . Male thallus with labelled cells I, II and antheridium (an). Scale bars: A–B, D–F = 50 µm; C, G = 25 µm. Photographs from slides ZMUC C-F-124090 (A–B), ZMUC C-F-123457 (D–G) (holotype). Remarks First record from Denmark . A second species of Tavaresiella , i.e., T. santamariae , was reported from Europe only on Hebrus pusillus (Fallén) .