Idiomyces peyritschii Thaxt.

Santamaria, Sergi & Pedersen, Jan, 2021, Laboulbeniomycetes (Fungi, Ascomycota) of Denmark, European Journal of Taxonomy 781, pp. 1-425 : 74-75

Idiomyces peyritschii Thaxt.

MB#233231

Fig. 14A–B

Proceedings of the American Academy of Arts and Sciences 28: 162 ( Thaxter 1893). –

Type: “ On abdomen of Deleaster dichrous Grav. , Germany ”; FH .

Diagnostic features

See genus description. [Detailed descriptions: Thaxter 1896; Benjamin 1983; Majewski 1994b; Santamaria 2003]

Distribution and hosts

On species of Deleaster (Col. Staphylinidae Oxytelinae ). Known in Europe: Austria, France, Germany, the Netherlands, Hungary, Italy, Poland, Spain, Switzerland, United Kingdom, Russia, former Yugoslavia ( Santamaria et al. 1991), Belgium ( De Kesel & Rammeloo 1992), Greece ( Castaldo et al. 2004), Bulgaria, Romania ( Rossi et al. 2019a), and Austria ( Rossi & Christian 2020). Also in USA and Japan ( Santamaria et al. 1991).

Collections examined from Denmark

On Deleaster dichrous (Gravenhorst, 1802) (Col. Staphylinidae Oxytelinae )

DENMARK – Bornholm (B) • Borrelyng ; 55°15.170′ N, 14 45.240′ E; VB82; 30 Jun. 1988; E. Palm Dry0104; JP det.; ZMUC C-F-124170 . – Lolland, Falster, Møn (LFM) • Møns Klint, Syd ; 54°56.958′ N, 12°32.210′ E; UA49; 18–24 Sep. 2005; O. Karsholt Dry0102; JP det.; ZMUC C-F-124168 . – Nordøstsjaelland (NEZ) • København Ø. ; 55°42.152′ N, 12°33.572′ E; UB47; 25–27 Jun. 2001; O. Karsholt Dry0103; JP det.; ZMUC C-F-124169 . – Sydsjaelland (SZ) • Sorø, Kristiansminde ; 55°25.115′ N, 11°35.209′ E; PG64; 4 Aug. 2014; JP 32; JP det.; ZMUC C-F-122507 • Tryggevaelde Å ved Varpelev ; 55°21.055′ N, 12°15.877′ E; UB23; 20 Jun. 1984; M. Hansen Dry0105; M. Hansen det.; ZMUC C-F-124171 .

Remarks

First record from Denmark. The new record from Denmark is not surprising because it was already reported from several European countries, including nearby Germany and Poland.

Figures

Fig. 14. A–B. Idiomyces peyritschii Thaxt. Mature thalli. – C–L. Symplectromyces vulgaris (Thaxt.) Thaxt. C. Mature thallus from Quedius umbrinus with labelled cells IIa, IIb, and III. D. Mature thallus from Quedius xanthopus. E. Mature thallus from Quedius mesomelinus. F–G. Details of appendages with seriated antheridia (G, in poor condition is from lectotype). H–J. Thalli from Quedius boopoides, with detail of dark cell VI in H (arrow). I. Mature thallus from lectotype slide. K. Ascospore. L. Very young thallus showing ascospore original spinous apex, the sx (arrow). Scale bars: A–B, G–H, J, L = 50 µm; C–E, I = 100 µm; F, K = 25 µm. Photographs from slides ZMUC C-F-122507 (A–B), ZMUC C-F-122498 (C), ZMUC C-F-122679 (D, K), ZMUC C-F-123742 (E–F), FH6581 (lectotype) (G, I), ZMUC C-F-123075 (H, J), ZMUC C-F-123521 (L).