986 resultados para Neotropical rainforest


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The subfamily Corinninae is characterized and diagnosed. Two synapomorphies are hypothesized for the subfamily, both regarding the male palpal reservoir, which is primarily coiled and presents a sclerotized distal sector. Seventeen genera are recognized, six of which are new: Abapeba (type species Corinna lacertosa Simon), Erendira (type species Corinna pallidoguttata Simon), Septentrinna (type species Corinna bicalcarata Simon), Simonestus (type species Diestus validus Simon), Tapixaua (type species T. callida sp. nov.) and Tupirinna (type species T. rosae sp. nov.). The genera Creugas Thorell, Falconina Brignoli and Paradiestus Mello-Leitão are revalidated. Diestus Simon and Lausus Simon are newly synonymized with Corinna C. L. Koch. Chemmis Simon is included in the synonymy of Megalostrata Karsch. Hypsinotus L. Koch is removed from the synonymy of Corinna and included in the synonymy of Creugas. Thirteen new species are described: Septentrinna yucatan and S. potosi from Mexico; Tupirinna rosae from Venezuela and Brazil; Tapixaua callida from Brazil and Peru; Abapeba hoeferi, A. rioclaro, A. taruma, Corinna ducke, C. colombo, C. mourai, C. recurva and Parachemmis manauara from Brazil; Creugas lisei from Brazil, Argentina and Uruguay. Twenty seven species are redescribed. Fifty eight new combinations are presented: from Chemmis, Septentrinna steckleri (Gertsch); from Corinna, Abapeba abalosi (Mello-Leitão), A. cleonei (Petrunkevitch), A. echinus (Simon), A. grassima (Chickering), A. guanicae (Petrunkevitch), A. lacertosa (Simon), A. luctuosa (F. O. Pickard-Cambridge), A. lugubris (Schenkel), A. pennata (Caporiacco), A. kochi (Petrunkevitch), A. saga (F. O. Pickard-Cambridge), A. wheeleri (Petrunkevitch), Creugas annamae (Gertsch & Davis), C. apophysarius (Caporiacco), C. bajulus (Gertsch), C. bellator (L. Koch), C. bicuspis (F.O. Pickard-Cambridge), C. epicureanus (Chamberlin), C. falculus (F. O. Pickard-Cambridge), C. mucronatus (F. O. Pickard-Cambridge), C. navus (F. O. Pickard-Cambridge), C. nigricans (C. L. Koch), C. plumatus (L. Koch), C. praeceps (F. O. Pickard-Cambridge), C. silvaticus (Chickering), C. uncatus (F. O. Pickard-Cambridge), Erendira luteomaculatta (Petrunkevitch), E. pallidoguttata (Simon), E. subsignata (Simon), Falconina albomaculosa (Schmidt), F. crassipalpis (Chickering), F. gracilis (Keyserling), Megalostrata raptrix (L. Koch), Paradiestus egregius (Simon), P. giganteus (Karsch), P. penicillatus (Mello-Leitão), P. vitiosus (Keyserling), Septentrinna bicalcarata (Simon), S. paradoxa (F. O. Pickard-Cambridge), S. retusa (F. O. Pickard-Cambridge), Simonestus pseudobulbolus (Caporiacco), S. robustus (Chickering), S. semiluna (F.O. Pickard-Cambridge), Stethorrhagus maculatus (L. Koch) and Xeropigo smedigari (Caporiacco); from Diestus, Corinna alticeps (Keyserling), C. kochi (Simon), Simonestus occidentalis (Schenkel), S. separatus (Schmidt) and S. validus (Simon); from Lausus, Corinna grandis (Simon) and Abapeba sicarioides (Mello-Leitão); from Medmassa, Corinna andina (Simon) and C. venezuelica (Caporiacco); from Megalostrata, Erendira atrox (Caporiacco) and Erendira pictitorax (Caporiacco); from Parachemmis, Tupirinna trilineata (Chickering). Five combinations are restaured: Corinna aenea Simon, Creugas cinnamius Simon, Creugas gulosus Thorell, Falconina melloi (Schenkel), Paradiestus aurantiacus Mello-Leitão. Twenty five new synonymies are proposed: Diestus altifrons Mello-Leitão with Corinna nitens (Keyserling); Corinna tomentosa Simon, C. tridentina Mello-Leitão, Hypsinotus flavipes Keyserling, H. humilis Keyserling and Xeropigo scutulatus Simon with Xeropigo tridentiger (O. Pickard-Cambridge); Corinna cribosa Mello-Leitão and C. stigmatica Simon with Falconina gracilis (Keyserling); Corinna casueta Chickering with SIMONestus separatus (Schmidt); Corinna abnormis Petrunkevitch, C. antillana BRYANT, C. consobrina Simon, C. inornata Kraus, C. nervosa F. O. Pickard-Cambridge, C. wolleboeki Banks, Creugas cetratus Simon, C. senegalensis Simon and Hypsinotus gracilipes Keyserling with Creugas gulosus Thorell; Chemmis frederici Simon, Delozeugma formidabile O. Pickard-Cambridge, D. mordicans O. Pickard-Cambridge, Megalostrata sperata Kraus and M. venifica KARSCH with Megalostrata raptrix (L. Koch); Megalostrata lohmanderi Caporiacco with Erendira atrox (Caporiacco); Corinna tenubra Chickering with Parachemmis fuscus Chickering. One new name, Creugas berlandi, is erected for Corinna bellatrix Schmidt. Males of Creugas cinnamius, Corinna kochi, Methesis semirufa Simon, Paradiestus aurantiacus, Septentrinna steckleri and Xeropigo smedigari, the females of Paradiestus giganteus, Septentrinna bicalcarata and the adult female of S. steckleri are described for the first time.

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v.20:no.13(1936)

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v.36:no.6(1958)

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A key to the species of Murupeaca Martins & Galileo, 1992 is presented and M. tavakiliani, from French Guyana, is described. Hemiloapis gen. nov. and its type-species, H. yandaira sp. nov. are described from Bolivia.Two new species are described in the genus Mariliana Lane, 1970, M. amazonica sp. nov. from French Guiana and M. cicadellida sp. nov. from Bolivia. A key to the species of Mariliana is added. Two other new species of the genus Erana Bates, 1866 are described: E. septuosa sp. nov. and E. rosea sp. nov., both from Panama.

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v.17:no.1(1929)

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Although Brazil encompasses one of the most abundant anuran faunas in the world, quantitative information on anuran ecology and diet are limited, especially in the Northeastern region. We analyzed the diet of six species: Hyla albomarginata, Hyla cf. branneri, Hyla minuta, Phyllomedusa aff. hypochondrialis (Hylidae), Leptodactylus natalensis, and Physalaemus cuvieri (Leptodactylidae) in a temporary pond in a rainforest remnant in Pernambuco, between 1999-2000. We analyzed diet composition, degree of food preference, and seasonal variations in diet. Leptodactylus natalensis and P. cuvieri showed higher diet diversity, whereas H. minuta consumed fewer food items. Insecta, Arachnida, and plants were preferential items for most species. Acari were consumed by all species; Hymenoptera, Odonata, and Coleoptera were also often consumed. A slight increase in diet diversity occurred in the rainy season. The species showed a generalist feeding behaviour, although P. cuvieri consumed Formicidae as major prey item.

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Novos táxons descritos da Costa Rica: Erana cretaria sp. nov., Itumbiara denudata sp. nov., Hilaroleopsis coloratus sp. nov., Alampyris flavicollis sp. nov., Cotycuara viridis sp. nov., Adesmus stellatus sp. nov., A. pilatus sp. nov. (também do Panamá); do Panamá: Eulachnesia amoena sp. nov., Cotycuara crinita sp. nov.; da Venezuela: Abanycha fasciata sp. nov.; do Equador: Mariliana hovorei sp. nov., Adesmus ocellatus sp. nov.; do Peru: Susuanycha gen. nov., espécie-tipo, S. susua sp. nov., Malacoscylus elegantulus sp. nov., Adesmus guttatus sp. nov., A. calca sp. nov.; do Brasil (Minas Gerais): Sybaguasu cornutum sp. nov. Acrescenta-se chave para as espécies de Cotycuara.

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Neoneura anaclara sp. nov. and Neoneura leonardoi sp. nov. are described and illustrated from specimens collected in Southern Brazil. These two species are unique in the genus Neoneura by the structure of their anal appendages.

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São descritos e ilustrados os seguintes novos táxons - em Oemini, Methioidina: Kalore gen. nov., espécie-tipo K. asanga sp. nov.; em Methiini: Tessaropa boliviana sp. nov.; em Smodicini: Marupiara gen. nov., espécie-tipo M. castanea sp. nov.; em Ectenessini: Cotynessa gen. nov., espécie-tipo C. abatinga sp. nov.; em Phlyctaenodini: Ancylodonta apipema sp. nov.; em Neocorini: Marauna gen. nov., espécie-tipo M. punctatissima sp. nov., em Oxycoleini: Oxycoleus flavipes sp. nov., todos da Bolívia, Santa Cruz; Coscinedes oaxaca sp. nov. do México, Oaxaca; em Elaphidionini: Curtomerus piraiuba sp. nov. da Colômbia, Boyacá.

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We analyzed the alimentary tract of 66 specimens of Amphisbaena munoai Klappenbach, 1969 from the Serra do Sudeste, state of Rio Grande do Sul, southern Brazil. Forty specimens (60.6%) had prey items in their gut. The diet consisted mainly of small invertebrate prey, such as termites, insect larvae and ants. The most abundant prey item was termites, found in 62.5% of the non empty stomachs. The high number of individual prey items in the majority of stomachs, the small size of the regular prey items, and the absence of gut content in specimens of A. munoai kept alive for about two days, indicate that this species forages very frequently. The predominance of fossorial prey items and the occasional records of nomadic ants lead us to suggest that A. munoai usually feeds underground, and occasionally forages on the surface.

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We analyzed the diet and microhabitat use for two Hylodinae anurans (Cycloramphidae), Hylodes phyllodes Heyer & Cocroft, 1986 and Crossodactylus gaudichaudii Duméril & Bibron, 1841, living in sympatry at an Atlantic Rainforest area of Ilha Grande, in southeastern Brazil. The two species live syntopically at some rocky streams. The two species differed strongly in microhabitat use. Hylodes phyllodes occurred mainly on rocks, whereas C. gaudichaudii was observed mostly on the water. Regarding diet, coleopterans, hymenopterans (ants), and larvae were the most important prey item consumed by both species. Data suggest that microhabitat use appears to be an important parameter differentiating these frogs with respect to general resource utilization.

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O gênero Xeropigo O. Pickard-Cambridge, 1882 é revisado, com a proposição de sete novas espécies neotropicais: X. candango, sobre machos e fêmeas de Brasília, Distrito Federal e Goiás, Brasil; X. rheimsae, machos de Goiás, Brasil; X. camilae, sobre machos e fêmeas do norte e centro-oeste do Brasil; X. cotijuba, machos e fêmeas da Guiana e do norte e centro-oeste do Brasil; X. pachitea, machos e fêmeas de Huánuco e Cajamarca, Peru; X. perene, fêmeas de Junin e Loreto, Peru; X. brescoviti, machos de Beni, Bolívia. As espécies previamente conhecidas, X. tridentiger (Pickard-Cambridge, 1869), a espécie-tipo, descrita da Ilha de Santa Helena, Oceano Atlântico, mas também conhecida das Américas do Sul e Central, e X. smedigari (Caporiacco, 1955) do norte da Venezuela e Trinidad, são re-diagnosticadas. Novos registros, ilustrações de X. tridentiger e chave para todas as espécies conhecidas são fornecidos.