Diphymyces niger (T.Majewski) I.I.Tav.

MB#105264

Fig. 52A–B

Mycologia Memoirs 9: 203 (Tavares 1985). – Basionym: Corethromyces niger T.Majewski, Acta Mycologica 9(1): 114 (Majewski 1973a) [MB#311808]. –

Type: “ On Ptomaphagus sericatus (Chaud.) (Col. Catopidae): Ojców near Kraków Saspowska valley, 8.6.1971, leg. A. Kosior (TM. 919 – holotype)”; KRAM. [Poland]

Laboulbenia ptomaphagi Huggert (Huggert 1973: 249) [MB#316150]

Diagnostic features

Thallus stocky, up to 80–90 µm long; entirely dark brown with the exception of paler appendage and cell I. Appendage profusely branched. Perithecial tip bearing one stout, tooth-like prominence (Fig. 52B, arrow). [Detailed descriptions: Majewski 1994b; Santamaria 2003]

Distribution and hosts

On members of the genus Ptomaphagus (Col. Leiodidae) from Poland, France, Spain, United Kingdom, Czech Republic, Russia, Finland, Denmark, Sweden (Majewski 2008), Italy (Balazuc 1973b), Bulgaria and Slovenia (Rossi et al. 2019a).

Collections examined from Denmark

On Ptomaphagus sericatus (Chaudoir, 1845) (Col. Leiodidae) DENMARK – Lolland, Falster, Møn (LFM) • Møns Klint, Syd; 54°56.985′ N, 12°32.270′ E; UA49; 3 Aug. 2019; JP 1489; JP det.; ZMUC C-F-124075 .

On Ptomaphagus subvillosus (Goeze, 1777) (Col. Leiodidae) DENMARK – Sydsjaelland (SZ) • Østerskov ved Langebaek; 54°59.572′ N, 12°6.715′ E; UA19; 3 Jan. 2019; JP 1294; JP det.; ZMUC C-F-123826 .

Remarks

The recently collected specimens confirm the previous record from Denmark (Huggert 1973).