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Type: Article
Published: 2019-10-14
Page range: 83–111
Abstract views: 110
PDF downloaded: 3

Two new species of Manahunca, redescription of its type species, current conservation status of the genus and a survey of male glands in Stenostygninae (Opiliones: Laniatores: Biantidae)

División Colecciones Zoológicas y Sistemática, Instituto de Ecología y Sistemática, Carretera Varona No. 11835 e/ Oriente y Lindero, Reparto Parajón, Boyeros, La Habana 19, C.P. 11900, Cuba.
Department of Integrative Biology, University of Wisconsin-Madison, 352 Birge Hall, 430 Lincoln Drive, Madison, WI 53706 USA.
Departamento de Ecología, Facultad de Ciencias, Universidad de Alicante, Carretera de San Vicente, s/n, 03690 San Vicente del Raspeig, Alicante, Spain.
Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA.
Opiliones Laniatores Samooidea taxonomy West Indies Greater Antilles sexually dimorphic glands male polymorphism

Abstract

Manahunca bielawskii Šilhavý, 1973, the type species of the genus Manahunca Šilhavý, 1973, is redescribed based on abundant material from the type locality, including new data on its morphological variability and penis morphology. A neotype for M. bielawskii is herein designated due to the unknown whereabouts of the original holotype. Manahunca silhavyi Avram, 1977, is regarded as a new junior subjective synonym of M. bielawskii. In addition, two new species of Manahunca are described, M. turquino Alegre, Gainett & Giribet, n. sp. and M. matazon Alegre, Gainett & Giribet, n. sp. based on additional specimens from eastern Cuba, for which we provide new data on their geographical distribution, intraspecific variability and habitat. A new diagnosis and emended geographic distribution of the known species of Manahunca are provided, with hints on the current conservation status. The sexually dimorphic glandular structures found on the metatarsus III of males are explored for taxonomic significance in ten species of Stenostygninae. The existence of male dimorphism, most evident in the robustness of the chelicerae, is reported for two of the studied Manahunca species.

 

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