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Three new species of Atopsyche Banks (Trichoptera, Hydrobiosidae) from Brazil.

ABSTRACT: Three new species of Atopsyche Banks (Hydrobiosidae) from Brazil are described and illustrated: Atopscyhe (Atopsaura) blahnikisp. n., Atopsyche (Atopsyche) paraunasp. n., and Atopsyche (Atopsaura) galharadasp. n. Additional illustrations of the male genitalia of Atopsyche urumarca Schmid are provided, including its populational variation. Also, we provide new state records for 2 species: Atopsyche (Atopsyche) urumarca from São Paulo, and Atopsyche (Atopsaura) plancki Marlier from Santa Catarina.

SUBMITTER: Santos AP

PROVIDER: S-EPMC3409685 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Three new species of Atopsyche Banks (Trichoptera, Hydrobiosidae) from Brazil.

Santos Allan P M AP Holzenthal Ralph W RW

ZooKeys 20120711 207

Three new species of Atopsyche Banks (Hydrobiosidae) from Brazil are described and illustrated: Atopscyhe (Atopsaura) blahnikisp. n., Atopsyche (Atopsyche) paraunasp. n., and Atopsyche (Atopsaura) galharadasp. n. Additional illustrations of the male genitalia of Atopsyche urumarca Schmid are provided, including its populational variation. Also, we provide new state records for 2 species: Atopsyche (Atopsyche) urumarca from São Paulo, and Atopsyche (Atopsaura) plancki Marlier from Santa Catarina. ...[more]

PMID: 22855641

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Project description:Metrichia is assigned to the Ochrotrichiinae, a group of almost exclusively Neotropical microcaddisflies. Metrichia comprises over 100 described species and, despite its diversity, only one species has been described from Brazil so far. In this paper, we provide descriptions for 20 new species from 8 Brazilian states: M. acuminata sp. nov., M. azul sp. nov., M. bonita sp. nov., M. bracui sp. nov., M. caraca sp. nov., M. circuliforme sp. nov., M. curta sp. nov., M. farofa sp. nov., M. forceps sp. nov., M. formosinha sp. nov., M. goiana sp. nov., M. itabaiana sp. nov., M. longissima sp. nov., M. peluda sp. nov., M. rafaeli sp. nov., M. simples sp. nov., M. talhada sp. nov., M. tere sp. nov., M. ubajara sp. nov., and M. vulgaris sp. nov. DNA barcode sequences (577 bp of the mitochondrial gene COI) were generated for 13 of the new species and two previously known species of Metrichia resulting in 64 sequences. In addition, COI sequences were obtained for other genera of Ochrotrichiinae (Angrisanoia, Nothotrichia, Ochrotrichia, Ragatrichia, and Rhyacopsyche). DNA sequences and morphological data were integrated to evaluate species delimitations. K2P pairwise distances were calculated to generate a neighbor-joining tree. COI sequences also were submitted to ABGD and GMYC methods to assess 'potential species' delimitation. Analyses showed a conspicuous barcoding gap among Metrichia sequences (highest intraspecific divergence: 4.8%; lowest interspecific divergence: 12.6%). Molecular analyses also allowed the association of larvae and adults of Metrichia bonita sp. nov. from Mato Grosso do Sul, representing the first record of microcaddisfly larvae occurring in calcareous tufa (or travertine). ABGD results agreed with the morphological delimitation of Metrichia species, while GMYC estimated a slightly higher number of species, suggesting the division of two morphological species, each one into two potential species. Because this could be due to unbalanced sampling and the lack of morphological diagnostic characters, we have maintained these two species as undivided.

Dataset Information

Three new species of Atopsyche Banks (Trichoptera, Hydrobiosidae) from Brazil.

Publications

Three new species of Atopsyche Banks (Trichoptera, Hydrobiosidae) from Brazil.

Similar Datasets

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