Abstract
As a result of recent expeditions to two mountains in the Amazon basin, Tapirapecó and Pico da Neblina, two new genera ofStygnidae, Imeri g. nov. (type species Imeri lomanhungae sp. nov.) and Jime g. nov. (type species Jime chifrudo sp. nov.), andten new species are described: Auranus hehu sp. nov., Auranus tepui sp. nov., Imeri lomanhungae sp. nov.; Jime chifrudo sp.nov.; Stygnoplus ianomami sp. nov.; Stygnus magalhaesi sp. nov.; Stygnoplus neblina sp. nov.; Stygnoplus tapirapeco sp. nov.;Stygnus nogueirai sp. nov., Stygnus kuryi sp. nov.. Additionally, new distributional records in Amazonas (Brazil) are presentedfor Stygnidius guerinii Soerensen, 1932, Minax tetraspinosus Pinto-da-Rocha, 1997 and Protimesius longipalpis (Roewer, 1943). Keys for genera of Heterostygninae and Stygninae are provided.References
Berry, P.E., Huber, O. & Holst, B.K. (1995) Introduction. In: Berry, P. E., Holst, B. K. & Yatskievych, K. (Eds.) Flora of the Venezuelan Guayana, 1, Missouri Botanical Garden Press, St. Louis, 161–191.
Goodnight, J.C. & Goodnight, M.L. (1947) Studies of the phalangid fauna of Trinidad. American Museum Novitates, 1351, 1–13.
Hara, M.R. & Pinto-da-Rocha, R. (2008) A new species and new distribution records of Pickeliana (Opiliones: Laniatores: Stygnidae). Revista Brasileira de Zoologia, 25, 515–522.
Huber, O. (1995) Geographical and physical features. In: Berry, P. E., Holst, B. K. & Koch, C.L. (1839) Uebersicht des Arachnidensystems 2. C. H. Zeh, Nürnberg.
Koch, C.L. (1845) Die Arachniden getreu nach der Natur abgebildet und beschrieben. Vol 12, 1–166; C. H. Zeh, Nuremberg.
Kury, A.B. (2009) A new genus of Stygninae from a relictual rainforest in Ceará, northeastern Brazil (Opiliones, Laniatores, Stygnidae). Zootaxa, 2057, 63–68.
Kury, A.B. & Pinto-da-Rocha, R. (2008) Southernmost Record of Stygnidae and first Record of the family for the state of Espírito Santo with description of a new Protimesius (Arachnida: Opiliones: Laniatores). Revista Brasileira de Zoologia, 25, 319–322.
Mello-Leitão, C.F. (1941) Opiliões coligidos por A. L. Carvalho no Tapirapés. Revista brasileira de Biologia, 1(4), 435–442.
Nogueira, A.A, Pena-Barbosa, J.P.P., Venticinque, E.M. & Brescovit, A.D. (2011) The spider genus Chrysometa (Araneae, Tetragnathidae) from the Pico da Neblina and Serra do Tapirapecó mountains (Amazonas, Brazil): new species, new records, diversity and distribution along two altitudinal gradients. Zootaxa, 2772, 33–52.
Perty, M. (1833) Delectus animalium articulorum quae in itinere per Brasilia annni 1817–1820 peracta collegerunt J.B. Spix et de Martius. pp 205. Monachii.
Pinto-da-Rocha, R. (1997) Systematic review of the family Stygnidae (Opiliones: Laniatores; Gonyleptoidea). Arquivos de Zoologia, São Paulo, 33(4), 179–358.
Pinto-da-Rocha, R. (2007) Stygnidae Simon, 1879. In: R. Pinto-da-Rocha, G. Machado & G.Giribet. (Org.). Harvestmen: the biology of Opiliones. Harvard University Press, p. 226–229.
Pinto-da-Rocha, R & Bonaldo, A. (2006). A structured Inventory of Harvestmen (Arachnida, Opiliones) at Juruti River Plateau, State of Pará, Brazil. Revista Ibérica de Aracnologia, 13, 123–130.
Pinto-da-Rocha, R. & Carvalho, L.S. (2009) A new species of Sickesia (Laniatores: Stygnidae: Opiliones) and new records for the State of Piauí, Brazil. Zoologia 26, 337–342.
Pinto-da-Rocha, R. & Villarreal-Manazanilla, O. (2009) Cladistic analysis of the Stygninae and description of a new species of Protimesius Roewer, 1913 of Brazil (Opiliones: Stygnidae). Zootaxa, 2176, 48–56.
RADAM (1978) Folha NA19. Pico da Neblina. Ministério das Minas e Energia. Rio de Janeiro.
Roewer, C.F. (1913) Die Familie der Gonyleptiden der Opiliones-Laniatores. Archives für Naturgeschichte, 79A(4), 1–256 and 79A(5), 257–473.
Roewer, C.F. (1943) Weitere Weberknechte XI. Über Gonyleptiden. Senckenbergiana biologica, 26(1–3), 12–68.
Roewer, C.F. (1957) Arachnida arthrogastra aus Peru III. Senckenbergiana biologica, 38(1/2), 67–94.
Roewer, C.F. (1963) Opiliones aus Peru und Colombia. [Arachnida Arthrogastra aus Peru V]. Senckenbergiana biologica, 44, 45–72.
Roewer, C.F. 1931 Weitere Weberknechte V. (5. Ergänzung der Weberknechte der Erde, 1923). Abhandlungen Naturwissenschaftlicher Verein, 28(2–3), 101–164.
Simon, E. (1879) Essai d'une classification des Opiliones Mecostethi. Remarques synonymiques et descriptions d'espèces nouvelles. Annales Societe Entomologique Belgique, 22, 183–241
Soares, H.E.M. (1970) Novas espécies de opiliões da Região Amazônica (Opiliones, Cosmetidae, Gonyleptidae, Phalangiidae, Stygnidae). Revista brasileira de Biologia, 30(3), 323–338.
Soerensen, W. (1932) Descriptiones Laniatorum (Arachnidorum Opilionum Subordinis). (Opus posthumum recognovit et edidit Kai L. Henriksen). Mémoires de l’Académie Royale des Scences et de Lettres de Danemark, Copenhague, section dês Sciences, ser. 9, 3(4), 197–422.
Tourinho, A.L. (2007) Padrões de Distribuição e Fatores Condicionantes da Riqueza de Opiliões na Várzea do Rio Amazonas – Brasil. Ph.D. thesis, INPA. Unpublished.
Villarreal-Manzanilla, O. (2004) Descripción de una nueva especie del género Stygnidius (Opiliones, Stygnidae) del Cerro Marahuaca, en el Amazonas Venezolano. Revista Ibérica de Aracnología, Zaragoza, 9, 15–18.
Villarreal-Mananilla, O. & Pinto-da-Rocha, R. (2006) Five new species of Protimesius (Opiliones: Stygnidae) from Brazil. Zootaxa, 1325, 219–233.
Villarreal-Manzanilla, O. & Rodríguez, C.J. (2004) Descripción de una nueva especie y dos nuevos registros del género Stygnoplus (Opiliones, Stygnidae) para Venezuela. Revista Ibérica de Aracnología, 10, 179–184.
Villarreal-Manzanilla, O. & Rodríguez, C.J. (2006) Nuevos registros del género Phareus Simon, 1879 en Colombia, con la descripción de una nueva especie (Opiliones, Stygnidae). Boletin Socidad Entomologica Aragonesa, 38, 103–105.
Villarreal-Manzanilla, O., DoNascimiento, C. & Rodríguez, C.J. (2007) Two new species of the enigmatic genus Stenophareus (Opiliones: Laniatores: Stygnidae) from the Venezuelan Guiana Shield. Zootaxa, 1471, 43–51.