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.