Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae)
Mygalomorph spiders are rarely found in caves and most of the records appear as accidental or restricted to small populations. The present study took place in iron formations in Carajás region, southeastern Pará state, eastern Brazilian Amazon rainforest. Each cave was sampled twice: dry season (fr...
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PAGEPress Publications
2017-09-01
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Series: | Tropical Zoology |
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Online Access: | https://pagepress.org/biology/tz/article/view/50 |
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author | Rafael Fonseca-Ferreira Robson de Almeida Zampaulo José Paulo Leite Guadanucci |
author_facet | Rafael Fonseca-Ferreira Robson de Almeida Zampaulo José Paulo Leite Guadanucci |
author_sort | Rafael Fonseca-Ferreira |
collection | DOAJ |
description |
Mygalomorph spiders are rarely found in caves and most of the records appear as accidental or restricted to small populations. The present study took place in iron formations in Carajás region, southeastern Pará state, eastern Brazilian Amazon rainforest. Each cave was sampled twice: dry season (from May to October) and wet season (from November to April). Of the 242 caves sampled, we found mygalomorphs in 98 (40%). The survey yielded 254 specimens, 223 (87.8%) juveniles. Of the 14 species recorded, nine were represented by adults: Dolichothele tucuruiense (Guadanucci, 2007), Hapalopus aymara Perdomo, Panzera & Pérez-Miles, 2009, Acanthoscurria geniculata (CL Koch, 1841), Theraphosa blondi (Latreille, 1804), Nhandu coloratovillosus (Schmidt, 1998), Fufius minusculus Ortega, Nagahama, Motta & Bertani, 2013, and three new are species described here: Guyruita metallophila n. sp., Hapalopus serrapelada n. sp., and Idiops carajas n. sp. Five other “morphospecies” were represented by juveniles only: Ummidia sp. (Ctenizidae), Paratropis sp. (Paratropididae), Bolostromus sp. (Cyrtaucheniidae), Diplura sp. (Dipluridae), and Idiophtalma sp. (Barychelidae). The high number of juveniles suggests two alternatives: some species could be using the hypogean environment as reproductive shelter; the hypogean environment is used as a refuge by immatures. Two species appear to be troglophiles: G. metallophila and H. aymara.
https://zoobank.org/urn:lsid:zoobank.org:pub:C92F29CB-4B9C-402D-8AA6-F8251DE49529.
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language | English |
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spelling | doaj.art-24ec40e6e8e34bd38e14842a95abc7e02023-05-02T14:59:59ZengPAGEPress PublicationsTropical Zoology0394-69751970-95282017-09-01304Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae)Rafael Fonseca-Ferreira0Robson de Almeida Zampaulo1José Paulo Leite Guadanucci2Biologia Comparada, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP; Laboratório de Estudos Subterrâneos, Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Carlos, São Carlos, SPGerencia de Licenciamento Ambiental e Espeleologia, Vale SA, Nova Lima, MGDepartamento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista, Rio Claro, SP Mygalomorph spiders are rarely found in caves and most of the records appear as accidental or restricted to small populations. The present study took place in iron formations in Carajás region, southeastern Pará state, eastern Brazilian Amazon rainforest. Each cave was sampled twice: dry season (from May to October) and wet season (from November to April). Of the 242 caves sampled, we found mygalomorphs in 98 (40%). The survey yielded 254 specimens, 223 (87.8%) juveniles. Of the 14 species recorded, nine were represented by adults: Dolichothele tucuruiense (Guadanucci, 2007), Hapalopus aymara Perdomo, Panzera & Pérez-Miles, 2009, Acanthoscurria geniculata (CL Koch, 1841), Theraphosa blondi (Latreille, 1804), Nhandu coloratovillosus (Schmidt, 1998), Fufius minusculus Ortega, Nagahama, Motta & Bertani, 2013, and three new are species described here: Guyruita metallophila n. sp., Hapalopus serrapelada n. sp., and Idiops carajas n. sp. Five other “morphospecies” were represented by juveniles only: Ummidia sp. (Ctenizidae), Paratropis sp. (Paratropididae), Bolostromus sp. (Cyrtaucheniidae), Diplura sp. (Dipluridae), and Idiophtalma sp. (Barychelidae). The high number of juveniles suggests two alternatives: some species could be using the hypogean environment as reproductive shelter; the hypogean environment is used as a refuge by immatures. Two species appear to be troglophiles: G. metallophila and H. aymara. https://zoobank.org/urn:lsid:zoobank.org:pub:C92F29CB-4B9C-402D-8AA6-F8251DE49529. https://pagepress.org/biology/tz/article/view/50arachnidscangacavesconservationtaxonomy |
spellingShingle | Rafael Fonseca-Ferreira Robson de Almeida Zampaulo José Paulo Leite Guadanucci Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae) Tropical Zoology arachnids canga caves conservation taxonomy |
title | Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae) |
title_full | Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae) |
title_fullStr | Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae) |
title_full_unstemmed | Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae) |
title_short | Diversity of iron cave-dwelling mygalomorph spiders from Pará, Brazil, with description of three new species (Araneae) |
title_sort | diversity of iron cave dwelling mygalomorph spiders from para brazil with description of three new species araneae |
topic | arachnids canga caves conservation taxonomy |
url | https://pagepress.org/biology/tz/article/view/50 |
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