Rhynchophoromyces anacaenae Scheloske

Santamaria, Sergi & Pedersen, Jan, 2021, Laboulbeniomycetes (Fungi, Ascomycota) of Denmark, European Journal of Taxonomy 781, pp. 1-425 : 32-33

Rhynchophoromyces anacaenae Scheloske

MB#338590

Fig. 3E

Parasitologische Schriftenreihe 19: 143 ( Scheloske 1969). –

Type: “Auf der gesamten Körperunterseite, der Basis der Extremitäten und den Epipleuren von Anacaena limbata (Col., Hydrophilidae ), wobei ♂♂ und ♀♀ gleicher maβen befallen wurden. Die parasitierten Käfer erbeutete ich in Laubstreu aus Bruchwäldern bei Schwand/Nürnberg und Erlangen sowie in Weihern bei Dechsendorf/Erlangen. Deutschland. Holotypus Abb. 41”. [ Germany]

Diagnostic features

Lower receptacle consisting of 6–14 cells. Perithecium with a long, strongly bent neck, containing about 30 outer wall cells. [Detailed descriptions: Santamaria 1989; Majewski 1994b; De Kesel & Werbrouck 2008]

Distribution and hosts

Occurs on species of the genus Anacaena Thomson, 1859 (Col. Hydrophilidae ); also reported on Dryops (Col. Dryopidae ) by Balazuc (1974f), probably as an example of host switch. Only known in Europe from Spain, France, Germany, Italy, Poland ( Majewski 2008), Belgium ( De Kesel & Werbrouck 2008), Denmark ( Høier 2009), Sweden ( Huggert 2010), and Bulgaria ( Rossi et al. 2019a).

Collections examined from Denmark

On Anacaena limbata (Fabricius, 1792) (Col. Hydrophilidae )

DENMARK – Østjylland (EJ) • Klostermølle ; 56°2.432′ N, 9°41.629′ E; NH41; 14 Feb. 2019; JP 1351; JP det.; ZMUC C-F-123890 . – Lolland, Falster, Møn (LFM) • Lysemose ved Maribo ; 54°46.971′ N, 11°28.959′ E; PF57; 4 Jun. 2018; JP 1135; JP det.; ZMUC C-F-123659 . – Nordøstsjaelland (NEZ) • Fruebjerg i Strøgårdsvang ; 55°58.539′ N, 12°16.659′ E; UC30; 18 Oct. 2018; JP 1222; JP det.; ZMUC C-F-123749 . – Sydjylland ( SJ) • Tange ved Ribe ; 55 ° 19.340′ N, 8 ° 48.647′ E; MG83; 8 Mar. 2020; JP 1611; JP det.; ZMUC C-F-124363 .

Remarks

Sarna & Milewska (1978) described R. anacaenae subsp. nasutellus which is regarded as a synonym of the nominal subspecies.

Figures

Fig. 3. A. Eusynaptomyces enochri Scheloske; reduced form showing the lateral outgrowth (arrow). – B–D. Eusynaptomyces hydrobii (T.Majewski) I.I.Tav.; mature thalli. – E. Rhynchophoromyces anacaenae Scheloske; mature thallus with broken appendage. –F. Thripomyces italicus Speg.; mature thallus showing the characteristic broadened cells at the base of the receptacle (*). Scale bars: 50 µm. Photographs from slides ZMUC C-F-122569 (A), ZMUC C-F-123552 (B–D), ZMUC C-F-123749 (E), and ZMUC C-F- 122983 (F).