Published November 26, 2021 | Version v1
Taxonomic treatment Open

Chaetarthriomyces spiralis Santam.

  • 1. 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.
  • 2. Natural History Museum of Denmark (Zoological Museum), University of Copenhagen, Universitetsparken 15, 2100 København Ø, Denmark.

Description

Chaetarthriomyces spiralis Santam.

MB#474853

Fig. 22C–D

Nova Hedwigia 72 (3–4): 379 (Santamaria 2001a). –

Type: “ Spain. Jaén: Santiago–Pontones, Parque Natural de Cazorla, Segura y Las Villas, río Aguamulas, below the head of Chaetarthria seminulum (Herbst) (Coleoptera, Hydrophilidae), 12.V.1990, leg. S. Santamaria, BCB–Mycotheca SS·0945 [Holotypus]”; BCB.

Diagnostic features

Primary appendage strongly arcuate, consisting of up to 12 isodiametric cells culminated with a rounded uppermost cell. Perithecium with a blunt apex, with the wall cells spirally arranged and distinctively brown-pigmented (Fig. 22D). [Detailed description: Santamaria 2003]

Distribution and hosts

Grows on the underside of the head of Chaetarthria (Col. Hydrophilidae) in Spain (type) and Poland (Majewski 2008).

Collections examined from Denmark

On Chaetarthria seminulum (Herbst, 1787) (Col. Hydrophilidae)

DENMARK – Nordvestsjaelland (NWZ) • Flyndersø ved Dybesø; 55°58.151′ N, 11°45.621′ E; PH60; 4 Nov. 2017; JP 722; JP det.; ZMUC C-F-123214.

Remarks

First record from Denmark. This species is much larger and significantly less frequent than C. crassiappendicatus. The development of two viable perithecia on the same thallus is exceptional (Fig. 22D).

Notes

Published as part of Santamaria, Sergi & Pedersen, Jan, 2021, Laboulbeniomycetes (Fungi, Ascomycota) of Denmark, pp. 1-425 in European Journal of Taxonomy 781 on page 110, DOI: 10.5852/ejt.2021.781.1583, http://zenodo.org/record/5828924

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Linked records

Additional details

Biodiversity

Collection code
BCB
Event date
1990-05-12 , 2017-11-04
Family
Laboulbeniaceae
Genus
Chaetarthriomyces
Kingdom
Fungi
Material sample ID
BCB-Mycotheca SS.0945 , ZMUC C-F-123214
Order
Laboulbeniales
Phylum
Ascomycota
Species
spiralis
Taxon rank
species
Type status
holotype
Verbatim event date
1990-05-12 , 2017-11-04

References

  • Santamaria S. 2001 a. New and interesting Laboulbeniales (Fungi, Ascomycota) from Spain, IV. Nova Hedwigia 72 (3 - 4): 375 - 389. https: // doi. org / 10.1127 / nova. hedwigia / 72 / 2001 / 375
  • Santamaria S. 2003. Laboulbeniales, II. Acompsomyces - Ilyomyces. Flora Mycologica Iberica 5, Real Jardin Botanico - CSIC / CSIC - Cramer / Madrid - Berlin - Stuttgart
  • Majewski T. 2008. Laboulbeniales. In: Chlebicki A. (ed.) Atlas of the Geographical Distribution of Fungi in Poland 4: 1 - 240. W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow.