Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae

Trichomycetes infecting freshwater Ephemeroptera and Díptera (Siínuliidae, Chironomidae) in various life zones oC Cósta Rica were studied. Insect populations in 36 streams were sampled, a few repeatedly, at four different . perlods of time over seven years. Eleven new species of Harpellales are repo...

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Autor principal: Lichtwardt, Robert W
Formato: Online
Idioma:eng
Publicado: Universidad de Costa Rica 1997
Acceso en línea:https://revistas.ucr.ac.cr/index.php/rbt/article/view/21442
id RBT21442
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spelling RBT214422022-05-25T20:50:39Z Costa Rican gut fungi (Trichomycetes) infeting lotic insect larvae Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae Lichtwardt, Robert W aquatic insects diptera ephemeroptera symbiosis trichomycetes tropics Trichomycetes infecting freshwater Ephemeroptera and Díptera (Siínuliidae, Chironomidae) in various life zones oC Cósta Rica were studied. Insect populations in 36 streams were sampled, a few repeatedly, at four different . perlods of time over seven years. Eleven new species of Harpellales are reported, plus six species known to occur also in n ontropical parts oí the world. Included are new species of Harpella and Pennella, a new monotypic genus (Graminelloides), and four new species of the previously monotypic genera Spartiella and Genistellospora. Seven new Smittiúm species, including three that are not named at this time, were cultured axenically. A new Amoebidium (Amoebidiales) was found in a stream polluted with organic matter. In the same polluted stream more species of dipteran larvae and a greater number of gut fungi were present than in stretclies of unpolluted water upstream. The overall diversity of Harpellales and their aquatic insect hosts in most Costa Rican streams appeared to be lower than what the author has found in many lotic habitats in more northem and southem regions of the world, and thus this order of fungi may be an exception to the 'latitudinal species diversity gradient' concept as it applies to many other tropical organisms. A key to all 23 Tric homycetes now known to be present in Costa Rica is provided Trichomycetes infecting freshwater Ephemeroptera and Díptera (Siínuliidae, Chironomidae) in various life zones oC Cósta Rica were studied. Insect populations in 36 streams were sampled, a few repeatedly, at four different . perlods of time over seven years. Eleven new species of Harpellales are reported, plus six species known to occur also in n ontropical parts oí the world. Included are new species of Harpella and Pennella, a new monotypic genus (Graminelloides), and four new species of the previously monotypic genera Spartiella and Genistellospora. Seven new Smittiúm species, including three that are not named at this time, were cultured axenically. A new Amoebidium (Amoebidiales) was found in a stream polluted with organic matter. In the same polluted stream more species of dipteran larvae and a greater number of gut fungi were present than in stretclies of unpolluted water upstream. The overall diversity of Harpellales and their aquatic insect hosts in most Costa Rican streams appeared to be lower than what the author has found in many lotic habitats in more northem and southem regions of the world, and thus this order of fungi may be an exception to the 'latitudinal species diversity gradient' concept as it applies to many other tropical organisms. A key to all 23 Tric homycetes now k n o w n to be present in Costa R i c a is provided Universidad de Costa Rica 1997-12-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article application/pdf https://revistas.ucr.ac.cr/index.php/rbt/article/view/21442 Revista de Biología Tropical; Vol. 45 No. 4 (1997): Volume 45 – Regular number 4 – December 1997; 1349–1383 Revista de Biología Tropical; Vol. 45 Núm. 4 (1997): Volumen 45 – Volumen regular 4 – Diciembre 1997; 1349–1383 Revista Biología Tropical; Vol. 45 N.º 4 (1997): Volume 45 – Regular number 4 – December 1997; 1349–1383 2215-2075 0034-7744 eng https://revistas.ucr.ac.cr/index.php/rbt/article/view/21442/21658 Copyright (c) 1997 Revista de Biología Tropical http://creativecommons.org/licenses/by/4.0
institution Universidad de Costa Rica
collection Revista de Biología Tropical
language eng
format Online
author Lichtwardt, Robert W
spellingShingle Lichtwardt, Robert W
Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae
author_facet Lichtwardt, Robert W
author_sort Lichtwardt, Robert W
description Trichomycetes infecting freshwater Ephemeroptera and Díptera (Siínuliidae, Chironomidae) in various life zones oC Cósta Rica were studied. Insect populations in 36 streams were sampled, a few repeatedly, at four different . perlods of time over seven years. Eleven new species of Harpellales are reported, plus six species known to occur also in n ontropical parts oí the world. Included are new species of Harpella and Pennella, a new monotypic genus (Graminelloides), and four new species of the previously monotypic genera Spartiella and Genistellospora. Seven new Smittiúm species, including three that are not named at this time, were cultured axenically. A new Amoebidium (Amoebidiales) was found in a stream polluted with organic matter. In the same polluted stream more species of dipteran larvae and a greater number of gut fungi were present than in stretclies of unpolluted water upstream. The overall diversity of Harpellales and their aquatic insect hosts in most Costa Rican streams appeared to be lower than what the author has found in many lotic habitats in more northem and southem regions of the world, and thus this order of fungi may be an exception to the 'latitudinal species diversity gradient' concept as it applies to many other tropical organisms. A key to all 23 Tric homycetes now k n o w n to be present in Costa R i c a is provided
title Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae
title_short Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae
title_full Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae
title_fullStr Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae
title_full_unstemmed Costa Rican gut fungi (Trichomycetes) infecting lotic insect larvae
title_sort costa rican gut fungi (trichomycetes) infecting lotic insect larvae
title_alt Costa Rican gut fungi (Trichomycetes) infeting lotic insect larvae
publisher Universidad de Costa Rica
publishDate 1997
url https://revistas.ucr.ac.cr/index.php/rbt/article/view/21442
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