Rhachomyces toledanoi W. Rossi & M. Leonardi 2020, sp. nov.
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2020
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| _version_ | 1866901972640071680 |
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| author | Rossi, Walter Leonardi, Marco |
| author_facet | Rossi, Walter Leonardi, Marco |
| contents | <p><b><i>Rhachomyces toledanoi</i> W.Rossi & M.Leonardi, sp. nov.</b></p><p><b>(Fig. 2D, E)</b></p><p>Differs from <i>Rhachomyces canariensis</i> Thaxt. (Thaxter 1908; Plate XLIV, figs 1, 2) for the fewer, shorter, and much paler appendages, and for the very different shape of the antheridial appendages and antheridia. ETYMOLOGY. — Named after the Italian entomologist Luca Toledano, who supplied us with the insects bearing the new species.</p><p>MATERIAL EXAMINED. — <b>China</b>. C-Sichuan, Jintang, Jiajin Shan, 2300 m, on <i>Amerizus</i> (<i>Tiruka</i>) <i>perraulti</i> Deuve (Coleoptera, Carabidae), 15.VII.2004, leg. M. Janata (holo-, FI [FI WR3508]; para-, FI [FI WR3509]).</p><p>MYCOBANK. — MB 831069.</p><p><b>DESCRIPTION</b></p><p>Axis of the receptacle, consisting of 9-13 cells tinged with very pale brown, the basal cell longer than broad and slightly tapering towards the foot, the suprabasal one much shorter and irregularly pentagonal, the others gradually increasing in length from below upwards. Sterile appendages and antheridial appendages arising in pairs from relatively large appendiculate cells. Appendages short and straight, more numerous in the upper portion of the thallus, consisting of three brownish cells unequal in length separated by thick, dark septa: the lower is the longest, the distal one is the shortest and bears a hyaline tapering tip, which is often disorganized. Antheridial appendages consisting of an elongate brownish cell, supporting the antheridium, the latter slender and strongly tapering in a long and slightly curved neck. Perithecium sessile, pale grayish brown, its outline marked by slight elevations at the height of the transverse septa between the three lower tiers of wall cells; the tip short, broadly conical, abruptly tapered. Length from foot to perithecial apex (240)340-490 µm; longest appendages 125 µm; perithecium 115-140 × 45-50 µm; antheridia 20-25 µm.</p><p>REMARKS</p><p>The perithecium of <i>R</i>. <i>toledanoi</i>, sp. nov., is similar to the perithecium of <i>R</i>. <i>canariensis</i> and of <i>R</i>. <i>maublancii</i> Lepesme ex W.Rossi (Rossi 1979; figs. 8-12). However, both the latter species bear very different appendages and antheridia.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_7814974 |
| institution | Zenodo |
| language | |
| publishDate | 2020 |
| publisher | Zenodo |
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| spellingShingle | Rhachomyces toledanoi W. Rossi & M. Leonardi 2020, sp. nov. Rossi, Walter Leonardi, Marco Biodiversity Taxonomy Fungi Ascomycota Laboulbeniomycetes Laboulbeniales Laboulbeniaceae Rhachomyces Rhachomyces toledanoi <p><b><i>Rhachomyces toledanoi</i> W.Rossi & M.Leonardi, sp. nov.</b></p><p><b>(Fig. 2D, E)</b></p><p>Differs from <i>Rhachomyces canariensis</i> Thaxt. (Thaxter 1908; Plate XLIV, figs 1, 2) for the fewer, shorter, and much paler appendages, and for the very different shape of the antheridial appendages and antheridia. ETYMOLOGY. — Named after the Italian entomologist Luca Toledano, who supplied us with the insects bearing the new species.</p><p>MATERIAL EXAMINED. — <b>China</b>. C-Sichuan, Jintang, Jiajin Shan, 2300 m, on <i>Amerizus</i> (<i>Tiruka</i>) <i>perraulti</i> Deuve (Coleoptera, Carabidae), 15.VII.2004, leg. M. Janata (holo-, FI [FI WR3508]; para-, FI [FI WR3509]).</p><p>MYCOBANK. — MB 831069.</p><p><b>DESCRIPTION</b></p><p>Axis of the receptacle, consisting of 9-13 cells tinged with very pale brown, the basal cell longer than broad and slightly tapering towards the foot, the suprabasal one much shorter and irregularly pentagonal, the others gradually increasing in length from below upwards. Sterile appendages and antheridial appendages arising in pairs from relatively large appendiculate cells. Appendages short and straight, more numerous in the upper portion of the thallus, consisting of three brownish cells unequal in length separated by thick, dark septa: the lower is the longest, the distal one is the shortest and bears a hyaline tapering tip, which is often disorganized. Antheridial appendages consisting of an elongate brownish cell, supporting the antheridium, the latter slender and strongly tapering in a long and slightly curved neck. Perithecium sessile, pale grayish brown, its outline marked by slight elevations at the height of the transverse septa between the three lower tiers of wall cells; the tip short, broadly conical, abruptly tapered. Length from foot to perithecial apex (240)340-490 µm; longest appendages 125 µm; perithecium 115-140 × 45-50 µm; antheridia 20-25 µm.</p><p>REMARKS</p><p>The perithecium of <i>R</i>. <i>toledanoi</i>, sp. nov., is similar to the perithecium of <i>R</i>. <i>canariensis</i> and of <i>R</i>. <i>maublancii</i> Lepesme ex W.Rossi (Rossi 1979; figs. 8-12). However, both the latter species bear very different appendages and antheridia.</p> |
| title | Rhachomyces toledanoi W. Rossi & M. Leonardi 2020, sp. nov. |
| topic | Biodiversity Taxonomy Fungi Ascomycota Laboulbeniomycetes Laboulbeniales Laboulbeniaceae Rhachomyces Rhachomyces toledanoi |
| url | https://doi.org/10.5281/zenodo.7814974 |