Rickia peyerimhoffii Maire

Santamaria, Sergi & Pedersen, Jan, 2021, Laboulbeniomycetes (Fungi, Ascomycota) of Denmark, European Journal of Taxonomy 781, pp. 1-425 : 296-297

Rickia peyerimhoffii Maire

MB#181302

Fig. 70D

Bulletin Scientifique de la France et de la Belgique 49(3): 290 ( Maire 1916c). –

Type: [Not designated] [Ind. loc.] [Type lost?!] “Sur le prothorax de Scaphisoma agaricinum L. Algérie: bois d’Oumel-Hallouf près Koléa, sur des Polypores lignicoles pourissants, 18/10 1910. Sur le prothorax de Scaphosoma flavonotatum Pic. : Algérie, bois de Farghen près Koléa, sous l’écorce d’un tronc mort de Salix alba L. couvert de Polyporus adustus Fa. pourrissants, spécimens immatures, janvier 1916 ”.

Diagnostic features

Receptacle triseriate. Anterior series consisting of 16–20 cells, median series consisting of 13–16 cells, posterior series consisting of 16–21 cells. Thallus deeply darkened towards the 1–3 lower cells of the anterior and posterior series. Antheridia very abundant and interspersed among secondary appendages on the posterior and anterior series. Perithecium immersed among the anterior and posterior series, protruding only by its ¼ of length; with two preostiolar black spots. [Detailed descriptions: Thaxter 1926; Siemaszko & Siemaszko 1932; Santamaria 1989; Majewski 1994b]

Distribution and hosts

Grows exclusively on species of the genus Scaphisoma (Col. Staphylinidae , Scaphidiinae ). This species has been recorded in Europe ( Spain, United Kingdom, Italy, Germany, Czech Republic, Poland, Finland, Greece, Russia and Ukraine), as well as in Algeria (type) and Korea ( Majewski 2008). Also in Hungary ( Bánhegyi et al. 1985), France ( Duverger 1995), Sweden ( Huggert 2010), Bulgaria ( Rossi et al. 2019a), and Belgium ( De Kesel et al. 2020).

Collections examined from Denmark

On Scaphisoma agaricinum (Linnaeus, 1758) (Col. Staphylinidae Scaphidiinae ) DENMARK – Bornholm (B) • Svartingedalen ved Baggeå ; 55°11.740′ N, 14°45.260′ E; VB81; 23 Jun. 2018; JP 1152; JP det.; ZMUC C-F-123676 . – Sydsjaelland (SZ) • Sorø, Kristiansminde ; 55°25.115′ N, 11°35.209′ E; PG64; 27 Jun. 2013; JP 390; JP det.; ZMUC C-F-122873 • ibid.; 7–14 Aug. 2013; JP 177; JP det.; ZMUC C-F-122656 .

On Scaphisoma assimile Erichson, 1845 (Col. Staphylinidae Scaphidiinae ) DENMARK – Østjylland (EJ) • Tange å vest for Kjellerup ; 56°17.959′ N, 9°23.462′ E; NH23; 17 Feb. 2018; JP 982; JP det.; ZMUC C-F-123489 .

Remarks

First record from Denmark. This is an uncommon and well-distinguished species.

Figures

Fig. 70. Rickia spp. A–C. R. huggertii Balazuc. A–B. Mature thalli. C. Immature thallus showing the trichogyne scar (ts) and the antheridium (an). – D. R. peYerimhoffii Maire. Mature thallus. – E. R. proteini T.Majewski. Immature thallus at left and mature thallus on the right. Scale bars: A–B, D–E = 50 µm; C = 20 µm. Photographs from slides ZMUC C-F-122781 (A–B), ZMUC C-F-122862 (C), ZMUC C-F- 122656 (D), ZMUC C-F-122485 (E).