Cantharomyces aploderi Huldén MB#124443 Fig. 75C–E Karstenia 23: 45 (Huldén 1983). – Type: “ Host. Aploderus caesus (Erichson) (Coleoptera, Staphylinidae). Holotype. Slide L. Huldén 24, in MZH. Collecting data of the host: U.S.S.R. Karelian A.S.S.R.: Zaoneskje, Sungu, leg. Poppius ”; MZH. [Russia] Diagnostic features Cell II with a variable large dark spot on the dorsal margin (Fig. 75D, arrow). Cells I and II separated by a constricted septum; forming a geniculate stalk. One to three cells above the appendage basal cell, strongly flattened, inflated, separated by constricted and slightly darkened septa (Fig. 75D, *). Appendage branched above flat cells. Distribution and hosts Only known from the type, on Aploderus (Col. Staphylinidae Oxytelinae) from Russia. Collections examined from Denmark On Aploderus caesus (Erichson, 1839) (Col. Staphylinidae Oxytelinae) DENMARK – Lolland, Falster, Møn (LFM) • Engestofte; 54°45.767′ N, 11°33.506′ E; PF67; 12 Jul. 1951; V. Hansen Dry0112; V. Hansen det.; ZMUC C-F-124179 • ibid.; 13 Jul. 1951; V. Hansen Dry0111; V. Hansen det.; ZMUC C-F-124177, C-F-124178. Remarks First record from Denmark and the second after the original description. The host is considered rare in all parts of its distribution, thus the fungus is even more rare. A photo of this species is given here for the first time.

Published as part of Santamaria, Sergi & Pedersen, Jan, 2021, Laboulbeniomycetes (Fungi, Ascomycota) of Denmark, pp. 1-425 in European Journal of Taxonomy 781 on page 311, DOI: 10.5852/ejt.2021.781.1583, http://zenodo.org/record/5828924