Navegando por Assunto "Cave fauna"
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Item Cave-dwelling gastropods (Mollusca: Gastropoda) of Brazil: state of the art and conservation(2022-07-26) Salvador, Rodrigo Brincalepe ; Silva, Fernanda ; Cavallari, Daniel Caracanhas ; Cunha, Carlo ; Bichuette, Maria ElinaAn up-to-date list of exclusively cave-dwelling gastropod species recorded in Brazil is presented including updated taxonomy, detailed geographic information, and illustration of types. The list includes 18 cave-exclusive (troglobitic) gastropods encompassing 15 land and three freshwater species, with the status of further species pending additional studies. Their unusual morphology and diversity are discussed, as well as their conservation status and prospects in the current Brazilian environmental and political scenario.Item Chaimowiczia: a new Iuiuniscinae genus from Brazil (Oniscidea, Synocheta, Styloniscidae) with the description of two new troglobitic species(2021-06-08) Cardoso, Giovanna Monticelli; Bastos-Pereira, Rafaela; Souza, Leila Aparecida; Ferreira, Rodrigo L.A new genus of Styloniscidae, Chaimowiczia gen. nov., is described with two new species: Chaimowiczia tatus sp. nov. from Gruta do Padre cave (Santana, Bahia) and Chaimowiczia uai sp. nov. from Lapa d’água do Zezé cave (Itacarambi, Minas Gerais). The new genus and species were allocated into the subfamily Iuiuniscinae, hitherto monotypic, by the pronounced rectangular-shaped lateral pereonites epimera, dorsal surface smooth, body outline continuous without a gap between pereon and pleon, and pleonites 3 to 5 developed forming tips. The two species of Chaimowiczia gen. nov. differ in the shape of cephalon antennal lobes, pereonite 1 epimera, pleonite 5 posterior margin and uropod exopod and endopod proportion.- Chaimowiczia: a new Iuiuniscinae genus from Brazil (Oniscidea, Synocheta, Styloniscidae) with the description of two new troglobitic species(2021-06-08) Cardoso, Giovanna Monticelli; Bastos-Pereira, Rafaela; Souza, Leila Aparecida; Ferreira, Rodrigo L.; Stefano TaitiA new genus of Styloniscidae, Chaimowiczia gen. nov., is described with two new species: Chaimowiczia tatus sp. nov. from Gruta do Padre cave (Santana, Bahia) and Chaimowiczia uai sp. nov. from Lapa d’água do Zezé cave (Itacarambi, Minas Gerais). The new genus and species were allocated into the subfamily Iui-uniscinae, hitherto monotypic, by the pronounced rectangular-shaped lateral pereonites epimera, dorsal surface smooth, body outline continuous without a gap between pereon and pleon, and pleonites 3 to 5 developed forming tips. The two species of Chaimowiczia gen. nov. differ in the shape of cephalon anten-nal lobes, pereonite 1 epimera, pleonite 5 posterior margin and uropod exopod and endopod proportion.
Item Chaimowiczia: a new Iuiuniscinae genus from Brazil (Oniscidea, Synocheta, Styloniscidae) with the description of two new troglobitic species(2021-06-08) Monticelli Cardoso, Giovanna; Bastos-Pereira, Rafaela; Aparecida Souza, Leila; L. Ferreira, RodrigoA new genus of Styloniscidae, Chaimowiczia gen. nov., is described with two new species: Chaimowiczia tatus sp. nov. from Gruta do Padre cave (Santana, Bahia) and Chaimowiczia uai sp. nov. from Lapa d’água do Zezé cave (Itacarambi, Minas Gerais). The new genus and species were allocated into the subfamily Iuiuniscinae, hitherto monotypic, by the pronounced rectangular-shaped lateral pereonites epimera, dorsal surface smooth, body outline continuous without a gap between pereon and pleon, and pleonites 3 to 5 developed forming tips. The two species of Chaimowiczia gen. nov. differ in the shape of cephalon antennal lobes, pereonite 1 epimera, pleonite 5 posterior margin and uropod exopod and endopod proportion.Item Chaimowiczia: a new Iuiuniscinae genus from Brazil (Oniscidea, Synocheta, Styloniscidae) with the description of two new troglobitic species(2021-06-08) Cardoso, Giovanna Monticelli; Bastos-Pereira, Rafaela; Souza, Leila Aparecida; Ferreira, Rodrigo L.A new genus of Styloniscidae, Chaimowiczia gen. nov., is described with two new species: Chaimowiczia tatus sp. nov. from Gruta do Padre cave (Santana, Bahia) and Chaimowiczia uai sp. nov. from Lapa d’água do Zezé cave (Itacarambi, Minas Gerais). The new genus and species were allocated into the subfamily Iuiuniscinae, hitherto monotypic, by the pronounced rectangular-shaped lateral pereonites epimera, dorsal surface smooth, body outline continuous without a gap between pereon and pleon, and pleonites 3 to 5 developed forming tips. The two species of Chaimowiczia gen. nov. differ in the shape of cephalon antennal lobes, pereonite 1 epimera, pleonite 5 posterior margin and uropod exopod and endopod proportion.Item A new species of Metaprosekia Leistikow, 2000 (Oniscidea, Philosciidae) from caves of the State of Mato Grosso, Brazil(2023) Campos-Filho, Ivanklin Soares; Chagas Jr, Amazonas; Sfenthourakis, Spyros; Bichuette, Maria ElinaThe present work aims to describe a new species of Metaprosekia from siliciclastic caves from Caverna Nova and Caverna Ponte de Pedra, Utiariti Formation, Municipality of Diamantino, State of Mato Grosso. Metaprosekia utiariti n. sp. easily differs from the congeneric species in the shape of male pleopods 1 and 2. Moreover, a map illustrating the lithology and hydrographic characteristics where the specimens were collected and conservation remarks are given.- New troglobitic species of Xangoniscus (Isopoda: Styloniscidae) from Brazil, with notes on their habitats and threats(2020-07-22) CARDOSO, GIOVANNA MONTICELLI; BASTOS-PEREIRA, RAFAELA; SOUZA, LEILA APARECIDA; FERREIRA, RODRIGO LOPESIn the present work, five new species of Xangoniscus are described, increasing to eight the number of the known troglobitic species for the genus. Xangoniscus species can be distinguished from each other by the shape of pleonites epimera, the number and size of aesthetascs in the distal article of antennula, the modifications on pereopods, the shape of male pleopods and the proportion between uropod rami. Species from this genus are known for the states of Minas Gerais and Bahia with Xangoniscusaganju representing the northernmost occurrence, and X. lundin. sp. and X. daguan. sp. the southernmost occurrences. Of the six caves where specimens were collected, four are not registered in the national speleological database, what points to all the potential to yet be discovered regarding number of cavities and the associated biodiversity in Brazil. Some of the here mentioned type localities are not located inside protected areas, therefore exposing the species to risks related to the adjacent land use and consequent influence on water table level and input of food resources. The contribution of this work with descriptions of new troglobitic species provides support to consider them as plausible candidates to be assessed in the next list of threatened species as well as to elaborate conservation actions for the species, the caves where they inhabit and the surrounding landscape.
Item REVISÃO DE TROGOLAPHYSA MILLS, 1938 (COLLEMBOLA,ENTOMOBRYOMORPHA, PARONELLIDAE), COM A DESCRIÇÃO DE NOVASESPÉCIES DE CAVERNAS, DOMÍNIO CAATINGA, BRASIL(2021-02-26) SOUZA, PAOLLA GABRYELLE CAVALCANTE DE; Bellini, Bruno Cavalcante; Nunes, Rudy Camilo; Dal Molin, AnamariaTrogolaphysaMills (Paronellidae) é amplamente distribuído em regiões tropicais, com 65 espécies descritas em todo o mundo. As espécies neotropicais de Trogolaphysasão melhor conhecidasque as afrotropicais;porém,há grandes lacunas de conhecimento para várias espécies nas duas regiões, que são reconhecidas principalmente pelos padrões de coloração, número de olhos, morfologia do complexo empodial e da fúrcula. Muitas espécies de Trogolaphysaapresentam troglomorfismosevidentes, como redução ou ausência de olhos, corpo sem pigmentos e antenas alongadas. As cavernas possuem um papelimportanteparacompreensão dos processos biológicos devido à sua estabilidade ambiental, mas também são relevantes paramineração brasileira, sendo a extração de calcário a principal atividade econômica nos municípios que possuem cavernas de rochas carbonáticas no Rio Grande do Norte (RN). Estudosanteriores demonstraram que Trogolaphysaé o gênero dominante de Collembola presenteem cavernas do RN. Este gênero abriga espécies com statusquestionáveis e oseu estudo taxonômico pode auxiliar em políticas de conservação. Por isso, este trabalho apresenta uma revisão taxonômica com base em bibliografia de Trogolaphysa, com uma diagnose revisada e um resumo da morfologia geral do gênero, diagnoses detalhadas para todas as espécies, tabelas comparativas, chave de identificação para todos os táxons do gênero e descrições de duas novas espécies do gênero presentes em cavernas do RN. Asespécies novas foram coletadas com aspiradores entomológicos e pincéis, fora e dentro de10 cavernas calcárias inseridas no bioma Caatinga. A sugestão de species inquirendaeconsiderou descriçõestaxômicaspouco informativas, características taxonômicas duvidosas e/ou localização pouco informativa ou imprecisa. Foram identificadas 14 species inquirendae: T. berlandi, T. carpenteri, T. fuelleborni, T. ghesquieri, T. guacharo, T. hauseri, T. hirtipes, T. innominata, T. lamottei, T. maya, T. millsi, T. nigromaculata, T. separata eT. strinatii; e foi desconsiderada a sinonímia de T. delamareicom T. maya.Foi apresentada uma síntese da morfologia geraldo gênero, comas variações na quetotaxia e em suas principais estruturas. A descrição de duas novas espécies de Trogolaphysaamplamente distribuídas nas cavernas do RN em conjunto com a revisão do gênero proporcionam dados mais precisos no diagnóstico deespécies, aumentam o conhecimento sobre a fauna mundial de Trogolaphysae podem auxiliar políticas de conservação de cavernas no RNItem Two new troglobitic species of Iansaoniscus from Brazilian caves (Crustacea, Isopoda, Pudeoniscidae)(2022-06-14) Cardoso, Giovanna Monticelli; Bastos-Pereira, Rafaela; Ferreira, Rodrigo LopesIansaoniscus species are troglobitic terrestrial isopods of the Pudeoniscidae family. In this work two new species are described from caves in the Bahia state, northeastern Brazil; I. leilae sp. nov. from Toca do Gonçalo cave, in the municipality of Campo Formoso; and I. paulae sp. nov. from Lapa do Bode cave in the municipality of Itaeté. Additionally, ecological notes and conservation status are provided for both new species.