Distolomyces forficulae (T.Majewski) I.I.Tav.

MB#105280

Fig. 52H–I

Mycologia Memoirs 9: 207 (Tavares 1985). – Basionym: HesperomYces forficulae T.Majewski, Acta Mycologica 10(2): 270 (Majewski 1974) [MB#315184]. –

Type: “ On Forficula auricularia L. ( Dermaptera, Forficulidae): Warszawa–Marymont, in a small garden near the Vistula, 6.8.1973 leg. T.Majewski (TM. 1334 – holotype)”; KRAM. [Poland]

Diagnostic features

Receptacle with two dark spots, one on cell III and the other between cells I and II. Cell III flattened, bulging outwards. Appendage slanted between the basal and 2 nd cells; consisting of three superposed cells, the humped, dark, as well as elongate basal cell, and the almost hyaline 2 nd cell which is separated with a strongly oblique septum from the terminal flask-shaped and spinose antheridium. Perithecial apex bearing two ligula-like, strongly divergent, geniculate outgrowths. [Detailed descriptions: Majewski 1994b; Santamaria 2003; De Kesel & Gerstmans 2012]

Distribution and hosts

Only known on Forficula auricularia ( Dermaptera, Forficulidae), typically growing on antennae. Reported from Poland, Spain, Portugal, Italy (Majewski 2008), Belgium and the Netherlands (De Kesel & Gerstmans 2012).

Collections examined from Denmark

On Forficula auricularia Linnaeus, 1758 ( Dermaptera Forficulidae) DENMARK – Lolland, Falster, Møn (LFM) • Møns Klint, Syd; 54°56.985′ N, 12°32.270′ E; UA49; 3 Aug. 2019; JP 1490; JP det.; ZMUC C-F-124076 . – Nordvestsjaelland (NWZ) • Eriksminde syd for Korshage; 55°57.744′ N, 11°46.504′ E; PH70; 27 Oct. 2019; JP 1534; JP det.; ZMUC C-F-124293. – Sydsjaelland (SZ) • Gammel Kalvehave; 54°59.745′ N, 12°8.232′ E; UA19; 3 Aug. 2019; JP 1491; JP det.; ZMUC C-F-124077 .

Remarks

First record from Denmark. Probably overlooked, it may be a less rare species than can be deduced from the paucity or low amount of records.