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      Arctiini Leach, [1815] (Lepidoptera, Erebidae, Arctiinae) of the Brazilian Amazon. V - Subtribes Arctiina Leach, [1815], Callimorphina Walker, [1865] and Spilosomina Seitz, 1910 Translated title: Arctiini Leach, [1815] (Lepidoptera, Erebidae, Arctiinae) da Amazônia Brasileira. V - Subtribos Arctiina Leach, [1815], Callimorphina Walker, [1865] e Spilosomina Seitz, 1910

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          Abstract

          Abstract The Arctiina, Callimorphina and Spilosomina moths comprise 340 species in the neotropics. Here we provide a list of Arctiina, Callimorphina and Spilosomina species from the Brazilian Amazon. The list was produced from specimens deposited in the most important Brazilian collections and from literature data. We registered 17 species of Arctiina, two of Callimorphina and 16 of Spilosomina. The proportion of Brazilian Amazon Callimorphina (28.6%) and Arctiina (19.1%) in relation to Neotropical fauna were nearly to those found for other Arctiini subtribes in the Brazilian Amazon. However, the Spilosomina records were extremely low, corresponding to only 6.6% of the Neotropical species. Belém, Fonte Boa and Santarém were the municipalities with the highest number of registered species, with 14, 9 and 8, respectively. As this is the last article on the fauna of the Arctiini subtribes of the Brazilian Amazon, we summarize the main patterns observed for the tribe and identify the main knowledge gaps regarding this taxon.

          Translated abstract

          Resumo As mariposas Arctiina, Callimorphina e Spilosomina totalizam 340 espécies na região Neotropical. Neste trabalho, nós apresentamos uma lista das espécies de Arctiina, Callimorphina e Spilosomina que ocorrem na Amazônia brasileira. A lista foi produzida através de observação de espécimes depositados nas mais importantes coleções brasileiras e também através de dados da literatura. Foram registradas 17 espécies de Arctiina, duas de Callimorphina e 16 de Spilosomina. A proporção de Callimorphina (28,6%) e Arctiina (19,1%) em relação à fauna neotropical foi semelhante à encontrada para as outras subtribos de Arctiini da Amazônia brasileira. No entanto, os registros de Spilosomina foram extremamente baixos, correspondendo a apenas 6,6% das espécies neotropicais. Belém, Fonte Boa e Santarém foram os municípios com maior número de espécies registradas, com 14, 9 e 8, respectivamente. Como este é o último artigo sobre a fauna das subtribos de Arctiini da Amazônia brasileira, nós resumimos os principais padrões observados para a tribo e identificamos as principais lacunas de conhecimento sobre esse táxon.

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          Diversity and composition of Amazonian moths in primary, secondary and plantation forests

          Abstract: The response of tropical fauna to landscape-level habitat change is poorly understood. Increased conversion of native primary forest to alternative land-uses, including secondary forest and exotic tree plantations, highlights the importance of assessing diversity patterns within these forest types. We sampled 1848 moths from 335 species of Arctiidae, Saturniidae and Sphingidae, over a total of 30 trap-nights. Sampling was conducted during the wet season 2005, using three light-traps at 15 sites within areas of primary forest, secondary forest and Eucalyptus urograndis plantations in northern Brazilian Amazonia. The Jari study region provides one of the best opportunities to investigate the ecological consequences of land-use change, and this study is one of the first to examine patterns of diversity for a neotropical moth assemblage in a human-dominated landscape in lowland Amazonia. We found that the three moth families responded consistently to disturbance in terms of abundance and community structure but variably in terms of species richness, in a manner apparently supporting a life-history hypothesis. Our results suggest that secondary forests and Eucalyptus plantations can support a substantial level of moth diversity but also show that these forest types hold assemblages with significantly distinct community structures and composition from primary forest. In addition, the ability of these converted land-uses to support primary forest species may be enhanced by proximity to surrounding primary forest, an issue which requires consideration when assessing the diversity and composition of mobile taxa in human-dominated landscapes.
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            Catalogue of the Neotropical Arctiini Leach, [1815] (except Ctenuchina Kirby, 1837 and Euchromiina Butler, 1876) (Insecta, Lepidoptera, Erebidae, Arctiinae)

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              Richness of tiger moths (Lepidoptera: Arctiidae) in the Brazilian Cerrado: how much do we know?

              The Cerrado biome is located in the central region of Brazil and consists mainly of savanna vegetation. In this study we assessed the richness of tiger moths (Arctiidae) of the Brazilian Cerrado. Specifically, we 1) assessed species richness in one-degree cells in the biome, 2) identified areas where these moths are poorly known, and 3) tested if similarities in species composition are related to geographical distance in the relatively well-sampled areas. We obtained the data mainly from specimens deposited in museums, but we also included additional information from the literature. We compiled 2,321 records belonging to 723 species. Specimens were recorded in 108 localities distributed in 67 one-degree cells. Species occurring exclusively in one or two one-degree cells represented 64% of the total number of species. Sample effort was not uniform in the biome, as there were very few records in the northern region of the Cerrado. The best-sampled one-degree cell had 239 species. Species assemblages were structured in space with a clear trend of localities near one another presenting more similarities in faunal composition than distant localities. This distance decay in similarity was slightly more pronounced along the longitudinal than along the latitudinal distances. We conclude that the Cerrado still remains poorly inventoried for tiger moths, particularly in its northern portion, where many unrecorded species may be found in the future. Despite of this limited knowledge, the best-sampled region indicates that richness of tiger moths in the Cerrado is comparable to the species-rich forest biomes in the Neotropical region.
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                Author and article information

                Journal
                bn
                Biota Neotropica
                Biota Neotrop.
                Instituto Virtual da Biodiversidade | BIOTA - FAPESP (Campinas, SP, Brazil )
                1676-0611
                2020
                : 20
                : 3
                : e20200989
                Affiliations
                [2] Porto Alegre Rio Grande do Sul orgnameUniversidade Federal do Rio Grande do Sul orgdiv1Instituto de Biociências orgdiv2Departamento de Zoologia Brazil
                [1] Santarém Pará orgnameUniversidade Federal do Oeste do Pará orgdiv1Instituto de Ciências da Educação orgdiv2Laboratório de Estudos de Lepidópteros Neotropicais Brazil
                Article
                S1676-06032020000300302 S1676-0603(20)02000300302
                10.1590/1676-0611-bn-2020-0989
                fc686a81-8fc6-4d4e-9841-c686def25d1b

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 17 June 2020
                : 01 March 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 42, Pages: 0
                Product

                SciELO Brazil

                Self URI: Full text available only in PDF format (EN)
                Categories
                Inventory

                Tiger moths,Noctuoidea,Amazon,Inventory,Mariposas-tigre,Inventário,Amazônia

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