Coreomyces macropus Thaxt.

Santamaria, Sergi & Pedersen, Jan, 2021, Laboulbeniomycetes (Fungi, Ascomycota) of Denmark, European Journal of Taxonomy 781, pp. 1-425 : 40-41

Coreomyces macropus Thaxt.

MB#270152

Fig. 4H

Memoirs of the American Academy of Arts and Sciences 16: 327 ( Thaxter 1931). –

Type: “ On the inferior margin of the left elytron of Centrocorixa Kollari (Fieb.), No. 1751, Mandeville , Jamaica (Wight)”; FH.

Diagnostic features

Cell I almost twice longer than broad. Cell II 3–4 times as long as broad. Terminal cell (III) 1.5–2 times as long as broad. [Detailed descriptions: Majewski 1994b; Santamaria 2003]

Distribution and hosts

On the same hosts as previous species including Centrocorixa but excluding Cymatia and Micronecta . Coreomyces macropus grows on the lower outer margin of left hemielytron. It has been reported from Jamaica, Russia, Romania, Bulgaria, Poland ( Majewski 1973b), Spain ( Santamaria 1989), Turkey, Denmark, and Sweden (Sundberg 2018).

Collections examined from Denmark

On Sigara distincta (Fieber, 1848) (Heteroptera Corixidae )

DENMARK – Lolland, Falster, Møn (LFM) • Jydelejet, Møns Klint ; 54°59.127′ N, 12°31.517′ E; UA49; 12 May 2018; JP 1198; M. Holmen det.; ZMUC C-F-123722 . – Vestjylland (WJ) • Simmelmose ; 55°46.299′ N, 9°3.519′ E; NG08; 2 Jun. 2019; JP 1528; M. Holmen det.; ZMUC C-F-124284 .

On Sigara falleni (Fieber, 1848) (Heteroptera Corixidae )

DENMARK – Nordvestjylland (NWJ) • Thy, Voldum Sø (now Vullum Sø); 57°4.912′ N, 8°47.641′ E; MJ82; 1948–1965; coll. unknown 1199; E. W. Kaiser det.; ZMUC C-F-123725 .

On Sigara limitata (Fieber, 1848) (Heteroptera Corixidae )

DENMARK – Vestjylland (WJ) • Simmelmose ; 55°46.299′ N, 9°3.519′ E; NG08; 2 Jun. 2019; JP 1529; M. Holmen det.; ZMUC C-F-124287 .

On Sigara scotti (Douglas & Scott, 1868) (Heteroptera Corixidae )

DENMARK – Vestjylland (WJ) • Simmelmose ; 55°46.299′ N, 9°3.519′ E; NG08; 2 Jun. 2019; JP 1527; M. Holmen det.; ZMUC C-F-124282 .

On Sigara semistriata (Fieber, 1848) (Heteroptera Corixidae )

DENMARK – Vestjylland (WJ) • Simmelmose ; 55°46.299′ N, 9°3.519′ E; NG08; 2 Jun. 2019; JP 1530; M. Holmen det.; ZMUC C-F-124289 .

Remarks

No noteworthy variations have been observed.

Figures

Fig. 4. A–D. Euzodiomyces lathrobii Thaxt. A–B. Reduced forms. C. Typical form. D. Labelling of a secondary axis, with antheridia (an) and perithecial initial with cell VII. – E. Zodiomyces vorticellarius Thaxt.; with labelled cell I and buffer projections (bf). – F. Coreomyces arcuatus Thaxt.; mature thallus. – G. Coreomyces corixae Thaxt.; mature thallus showing the appendiculate cells (ac). – H. Coreomyces macropus Thaxt.; mature thallus. Scale bars: A–C, E–H = 50 µm; D = 25 µm. Photographs from slides ZMUC C-F-123138 (A–B), ZMUC C-F-124066 (C), ZMUC C-F-122479 (D), ZMUC C-F-122570 (E), ZMUC C-F-124285 (F), ZMUC C-F-123723 (G), and ZMUC C-F-123722 (H).