<documentid="C02C8DB8BA31C5B938AB003764D80256"ID-DOI="10.11646/phytotaxa.361.1.1"ID-ISSN="1179-3163"ID-Zenodo-Dep="13704266"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatmentCitations_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1725582834545"checkinUser="felipe"docAuthor="Barón, Daniel E. & Valle, Laia Guàrdia"docDate="2018"docId="03E42C2F9A728C22FF02EFE7FA3C687D"docLanguage="en"docName="phytotaxa.361.1.1.pdf"docOrigin="Phytotaxa 361 (1)"docSource="http://dx.doi.org/10.11646/phytotaxa.361.1.1"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Gauthieromyces colombiensis D. E. Baron & L. G. Valle. 2018, sp. nov."docType="treatment"docVersion="2"lastPageNumber="4"masterDocId="FFDD54579A718C21FF8AEF0BFFA76E6F"masterDocTitle="First record of trichomycetes associated with aquatic insects from Colombian Moorland and Andean forests"masterLastPageNumber="24"masterPageNumber="1"pageNumber="4"updateTime="1725594622535"updateUser="ExternalLinkService"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="1A7697236B9D8868D0D6B4AE223F763D">First record of trichomycetes associated with aquatic insects from Colombian Moorland and Andean forests</mods:title>
<taxonomicNameid="4C4DE6BA9A728C22FF02EFE7FCA26F68"authority="D.E. Baron & L.G. Valle."authorityName="D. E. Baron & L. G. Valle."authorityYear="2018"box="[136,773,236,263]"class="Kickxellomycetes"family="Legeriomycetaceae"genus="Gauthieromyces"kingdom="Fungi"order="Harpellales"pageId="3"pageNumber="4"phylum="Zygomycota"rank="species"species="colombiensis"status="sp. nov.">
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although the new species has larger trichospores and fertile branches producing a higher number of generative cells. The basal cell has rhizoidal-like sterile branches.
:—Dendroidal thallus 250–400 μm long, with a stout basal cell (cell 1) 40–50 × 15–22 μm, from which one or two lateral branches (fertile at maturity) emerge (
<figureCitationid="137681BC9A728C22FD70ED49FCC76C34"box="[762,864,578,603]"captionStart="FIGURES 2–10"captionStartId="4.[136,243,1933,1954]"captionTargetBox="[178,1410,190,1911]"captionTargetId="figure-14@4.[178,1410,190,1911]"captionTargetPageId="4"captionText="FIGURES 2–10. Gauthieromyces colombiensis from Baetidae. 2. Thallus overview. 3–5. Basal cell with holdfast material and short rhizoid-like branches (arrows).6. Fertilebranches overview.7. Horseshoe-shaped trichospores on generative cells.Trichospore appendages observable inside the corresponding generative cells (arrows). 7b. Detail of an appendage inside a generative cell. 8. Loose trichospore with appendage. 9. Vegetative propagules attached to the basal cell (arrow). 10. Detail of the distal section of various propagules. Scale bar for Fig. 2 = 50 μm; for Figs 3–6, 9 = 25 μm; for Figs 7, 7b, 8, 10 = 10 μm."figureDoi="http://doi.org/10.5281/zenodo.13704270"httpUri="https://zenodo.org/record/13704270/files/figure.png"pageId="3"pageNumber="4">Figs 2–3</figureCitation>
). Discoid or disperse holdfast material (7.5–16.5 μm diam) at the proximal area of the basal cell. Holdfast structure often accompanied by thin rhizoid-like branches arising from the basal zone towards the hindgut lining (
<figureCitationid="137681BC9A728C22FD15ED82FCA36CCD"box="[671,772,649,674]"captionStart="FIGURES 2–10"captionStartId="4.[136,243,1933,1954]"captionTargetBox="[178,1410,190,1911]"captionTargetId="figure-14@4.[178,1410,190,1911]"captionTargetPageId="4"captionText="FIGURES 2–10. Gauthieromyces colombiensis from Baetidae. 2. Thallus overview. 3–5. Basal cell with holdfast material and short rhizoid-like branches (arrows).6. Fertilebranches overview.7. Horseshoe-shaped trichospores on generative cells.Trichospore appendages observable inside the corresponding generative cells (arrows). 7b. Detail of an appendage inside a generative cell. 8. Loose trichospore with appendage. 9. Vegetative propagules attached to the basal cell (arrow). 10. Detail of the distal section of various propagules. Scale bar for Fig. 2 = 50 μm; for Figs 3–6, 9 = 25 μm; for Figs 7, 7b, 8, 10 = 10 μm."figureDoi="http://doi.org/10.5281/zenodo.13704270"httpUri="https://zenodo.org/record/13704270/files/figure.png"pageId="3"pageNumber="4">Figs 3–5</figureCitation>
). Cell 2 (above the basal cell), measuring 25–65 × 13–15 μm, thinner than the basal cell 1. Horseshoe-shaped trichospores measuring 11.5–16.5 (arch length) × 1.8–3.4 μm (diam), with very short collar and a single appendage measuring 13–16 μm long (
<figureCitationid="137681BC9A728C22FB91EDC4FB276C87"box="[1051,1152,719,744]"captionStart="FIGURES 2–10"captionStartId="4.[136,243,1933,1954]"captionTargetBox="[178,1410,190,1911]"captionTargetId="figure-14@4.[178,1410,190,1911]"captionTargetPageId="4"captionText="FIGURES 2–10. Gauthieromyces colombiensis from Baetidae. 2. Thallus overview. 3–5. Basal cell with holdfast material and short rhizoid-like branches (arrows).6. Fertilebranches overview.7. Horseshoe-shaped trichospores on generative cells.Trichospore appendages observable inside the corresponding generative cells (arrows). 7b. Detail of an appendage inside a generative cell. 8. Loose trichospore with appendage. 9. Vegetative propagules attached to the basal cell (arrow). 10. Detail of the distal section of various propagules. Scale bar for Fig. 2 = 50 μm; for Figs 3–6, 9 = 25 μm; for Figs 7, 7b, 8, 10 = 10 μm."figureDoi="http://doi.org/10.5281/zenodo.13704270"httpUri="https://zenodo.org/record/13704270/files/figure.png"pageId="3"pageNumber="4">Figs 6–8</figureCitation>
<figureCitationid="137681BC9A728C22FC22EDF9FBA96D64"box="[936,1038,754,779]"captionStart="FIGURES 2–10"captionStartId="4.[136,243,1933,1954]"captionTargetBox="[178,1410,190,1911]"captionTargetId="figure-14@4.[178,1410,190,1911]"captionTargetPageId="4"captionText="FIGURES 2–10. Gauthieromyces colombiensis from Baetidae. 2. Thallus overview. 3–5. Basal cell with holdfast material and short rhizoid-like branches (arrows).6. Fertilebranches overview.7. Horseshoe-shaped trichospores on generative cells.Trichospore appendages observable inside the corresponding generative cells (arrows). 7b. Detail of an appendage inside a generative cell. 8. Loose trichospore with appendage. 9. Vegetative propagules attached to the basal cell (arrow). 10. Detail of the distal section of various propagules. Scale bar for Fig. 2 = 50 μm; for Figs 3–6, 9 = 25 μm; for Figs 7, 7b, 8, 10 = 10 μm."figureDoi="http://doi.org/10.5281/zenodo.13704270"httpUri="https://zenodo.org/record/13704270/files/figure.png"pageId="3"pageNumber="4">Figs 6–7</figureCitation>
Other species with similar characteristics have been described, including
<taxonomicNameid="4C4DE6BA9A728C22FB00EC57FF5A6DF7"authority="S. T. Moss & Lichtw."authorityName="S. T. Moss & Lichtw."class="Kickxellomycetes"family="Legeriomycetaceae"genus="Gauthieromyces"kingdom="Fungi"order="Harpellales"pageId="3"pageNumber="4"phylum="Zygomycota"rank="species"species="microsporus">
<bibRefCitationid="EFDCE0C89A728C22FD91EC74FD7D6DF7"author="Lichtwardt, R. W."box="[539,730,895,920]"pageId="3"pageNumber="4"pagination="213 - 215"refId="ref11922"refString="Lichtwardt, R. W. (1983) Gauthieromyces, a new genus of Harpellales based on Genistella microspora. Mycotaxon 17: 213 - 215."type="journal article"year="1983">Lichtwardt 1983</bibRefCitation>
) and
<taxonomicNameid="4C4DE6BA9A728C22FC94EC74FB636DF7"authority="J. K. Misra & V. K. Tiwari"authorityName="J. K. Misra & V. K. Tiwari"box="[798,1220,895,920]"class="Kickxellomycetes"family="Legeriomycetaceae"genus="Gauthieromyces"kingdom="Fungi"order="Harpellales"pageId="3"pageNumber="4"phylum="Zygomycota"rank="species"species="indicus">
<bibRefCitationid="EFDCE0C89A728C22FF6BECA9FE7D6DD4"author="Misra, J. K. & Tiwari, V. K."box="[225,474,930,955]"pageId="3"pageNumber="4"pagination="94 - 98"refId="ref12920"refString="Misra, J. K. & Tiwari, V. K. (2008) A new species of Gauthieromyces and range extensions for other Harpellales to India. Mycologia 100 (1): 94 - 98. https: // doi. org / 10.1080 / 15572536.2008.11832501"type="journal article"year="2008">Misra & Tiwari 2008</bibRefCitation>
<bibRefCitationid="EFDCE0C89A728C22FCE8EB07FBAF6A4A"author="Gauthier, M."box="[866,1032,1036,1061]"pageId="3"pageNumber="4"pagination="225 - 227"refId="ref11079"refString="Gauthier, M. (1960) Un nouveau Trichomycete rameux parasite des larves de Baetis pumilus (Burm.). Trav Lab Hydrob et Pisc Univ Grenoble 51: 225 - 227."type="journal article"year="1960">Gauthier 1960</bibRefCitation>
<bibRefCitationid="EFDCE0C89A728C22FD37EB24FC316A27"author="Valle, L. G. & Rossi, W. & Santamaria, S."box="[701,918,1071,1096]"pageId="3"pageNumber="4"pagination="712 - 727"refId="ref14600"refString="Valle, L. G., Rossi, W. & Santamaria, S. (2013) New species and new records of trichomycetes from Italy. Mycologia 105 (3): 712 - 727. https: // doi. org / 10.3852 / 12 - 184"type="journal article"year="2013">
<bibRefCitationid="EFDCE0C89A728C22FCEFEB7EFB846AE1"author="Valle, L. G. & Rossi, W. & Santamaria, S."box="[869,1059,1141,1166]"pageId="3"pageNumber="4"pagination="712 - 727"refId="ref14600"refString="Valle, L. G., Rossi, W. & Santamaria, S. (2013) New species and new records of trichomycetes from Italy. Mycologia 105 (3): 712 - 727. https: // doi. org / 10.3852 / 12 - 184"type="journal article"year="2013">
<bibRefCitationid="EFDCE0C89A728C22FF05EB92FE916ADD"author="Gauthier, M."box="[143,310,1177,1202]"pageId="3"pageNumber="4"pagination="225 - 227"refId="ref11079"refString="Gauthier, M. (1960) Un nouveau Trichomycete rameux parasite des larves de Baetis pumilus (Burm.). Trav Lab Hydrob et Pisc Univ Grenoble 51: 225 - 227."type="journal article"year="1960">Gauthier 1960</bibRefCitation>
,
<bibRefCitationid="EFDCE0C89A728C22FECBEB92FE586ADD"author="Lichtwardt, R. W."box="[321,511,1177,1202]"pageId="3"pageNumber="4"pagination="213 - 215"refId="ref11922"refString="Lichtwardt, R. W. (1983) Gauthieromyces, a new genus of Harpellales based on Genistella microspora. Mycotaxon 17: 213 - 215."type="journal article"year="1983">Lichtwardt 1983</bibRefCitation>
). Propagules are formed in a similar way as described in other species of the genus, and also in species of the proximal genus
<taxonomicNameid="4C4DE6BA9A728C22FDE9EBB7FB2C6ABA"authority="L. Leger and M. Gauthier ex Manier"authorityName="Manier"box="[611,1163,1212,1237]"class="Kickxellomycetes"family="Legeriomycetaceae"genus="Graminella"kingdom="Fungi"order="Harpellales"pageId="3"pageNumber="4"phylum="Zygomycota"rank="genus">
<bibRefCitationid="EFDCE0C89A728C22FB10EBB7FA006ABA"author="Leger, L. & Gauthier, M."box="[1178,1447,1212,1237]"pageId="3"pageNumber="4"pagination="27 - 29"refId="ref11848"refString="Leger, L. & Gauthier, M. (1937) Graminella bulbosa nouveau genre d'Entophyte parasite des larves d'ephemerides du genre Baetis. Comptes rendus de l'Academie des Sciences 202: 27 - 29."type="journal article"year="1937">Léger & Gauthier 1937</bibRefCitation>
,
<bibRefCitationid="EFDCE0C89A728C22FF02EBD4FEBE6A97"author="Manier, J. F."box="[136,281,1247,1272]"pageId="3"pageNumber="4"pagination="241 - 254"refId="ref12750"refString="Manier, J. F. (1962) Presence de Trichomycetes dans le rectum des larves d'Ephemeres des torrents du Massif du Neouvieille (Hautes- Pyrenees). Bulletin de la Societe d'histoire naturelle de Toulouse 97: 241 - 254."type="journal article"year="1962">Manier 1962</bibRefCitation>
,
<bibRefCitationid="EFDCE0C89A728C22FEA9EBD4FE386A97"author="Valle, L. G."box="[291,415,1247,1272]"pageId="3"pageNumber="4"pagination="442 - 455"refId="ref14078"refString="Valle, L. G. (2007) New species and summary of Iberian Harpellales. Mycologia 99 (3): 442 - 455. https: // doi. org / 10.1080 / 15572536.2007.11832569"type="journal article"year="2007">Valle 2007</bibRefCitation>
). The propagules are produced from a stout basal cell, and detach to generate new thalli within the same host. In
<figureCitationid="137681BC9A728C22FACAEA09FA046B74"box="[1344,1443,1282,1307]"captionStart="FIGURES 2–10"captionStartId="4.[136,243,1933,1954]"captionTargetBox="[178,1410,190,1911]"captionTargetId="figure-14@4.[178,1410,190,1911]"captionTargetPageId="4"captionText="FIGURES 2–10. Gauthieromyces colombiensis from Baetidae. 2. Thallus overview. 3–5. Basal cell with holdfast material and short rhizoid-like branches (arrows).6. Fertilebranches overview.7. Horseshoe-shaped trichospores on generative cells.Trichospore appendages observable inside the corresponding generative cells (arrows). 7b. Detail of an appendage inside a generative cell. 8. Loose trichospore with appendage. 9. Vegetative propagules attached to the basal cell (arrow). 10. Detail of the distal section of various propagules. Scale bar for Fig. 2 = 50 μm; for Figs 3–6, 9 = 25 μm; for Figs 7, 7b, 8, 10 = 10 μm."figureDoi="http://doi.org/10.5281/zenodo.13704270"httpUri="https://zenodo.org/record/13704270/files/figure.png"pageId="3"pageNumber="4">Figs 3–5</figureCitation>
. These rhizoidal prolongations may contribute to anchoring the thallus to the hindgut lining. The Mexican species
<taxonomicNameid="4C4DE6BA9A728C22FC78EA42FF706BEA"authority="L. G. Valle, M. M. White & Cafaro"authorityName="L. G. Valle, M. M. White & Cafaro"class="Kickxellomycetes"family="Legeriomycetaceae"genus="Graminella"kingdom="Fungi"order="Harpellales"pageId="3"pageNumber="4"phylum="Zygomycota"rank="species"species="viviparus">
<bibRefCitationid="EFDCE0C89A728C22FF5AEAB9FE186BA4"author="Misra, J. K. & Tiwari, V. K."box="[208,447,1458,1483]"pageId="3"pageNumber="4"pagination="94 - 98"refId="ref12920"refString="Misra, J. K. & Tiwari, V. K. (2008) A new species of Gauthieromyces and range extensions for other Harpellales to India. Mycologia 100 (1): 94 - 98. https: // doi. org / 10.1080 / 15572536.2008.11832501"type="journal article"year="2008">Misra & Tiwari 2008</bibRefCitation>
<bibRefCitationid="EFDCE0C89A728C22FCD3EAB9FBF96BA4"author="Strongman, D. B. & Xu, S."box="[857,1118,1458,1483]"pageId="3"pageNumber="4"pagination="479 - 487"refId="ref13794"refString="Strongman, D. B. & Xu, S. (2006) Trichomycetes from China and the description of three new Smittium species. Mycologia 98 (3): 479 - 487. https: // doi. org / 10.1080 / 15572536.2006.11832683"type="journal article"year="2006">Strongman & Xu 2006</bibRefCitation>
), with the key character being the numerous trichospores arranged on fertile branches and the presence of many appendages in the trichospores (
<bibRefCitationid="EFDCE0C89A728C22FF1AEAF2FE32687D"author="Strongman, D. B. & Xu, S."box="[144,405,1529,1554]"pageId="3"pageNumber="4"pagination="479 - 487"refId="ref13794"refString="Strongman, D. B. & Xu, S. (2006) Trichomycetes from China and the description of three new Smittium species. Mycologia 98 (3): 479 - 487. https: // doi. org / 10.1080 / 15572536.2006.11832683"type="journal article"year="2006">Strongman & Xu 2006</bibRefCitation>