Preliminary notes on the macrolichens of Serra do Cachimbo, northcentral Brazil

New species of the genus Leporinus Agassiz (Characiformes: Anostomidae) from the rio Curuá, rio Xingu basin, Serra do Cachimbo, Brazil, with comments on Leporinus reticulatus

A new species of Leporinus Agassiz is described from the rio Curuá, a tributary of the rio Iriri, rio Xingu basin, Serra do Cachimbo, Pará State, Brazil. The new species is diagnosed by the color pattern, which consists of eight to ten midlateral round dark blotches plus 20 to 40 smaller ones scattered over the body, dental formula 3/4, subinferior to inferior mouth, 37 to 38 lateral line scale...

Phycocharax rasbora, a new genus and species of Brazilian tetra (Characiformes: Characidae) from Serra do Cachimbo, rio Tapajós basin

A new genus and species of characid fish is described from rio Braço Norte, a tributary of rio Teles Pires, Tapajós basin, Mato Groso, Brazil. The new taxa can be diagnosed from the remaining characids by a unique combination of characters that includes the presence of a single row of relatively compressed premaxillary teeth, large teeth with four to nine cusps on premaxillary and dentary, abse...

Phosphorus fractions in the vineyard soil of the Serra Gaúcha of Rio Grande do Sul, Brazil

Frações de fósforo no solo de vinhedo na Serra Gaúcha do Rio Grande do Sul R E S U M O Objetivou-se, com este trabalho, avaliar o acúmulo de frações de P no perfil de um solo de vinhedo com aplicações sucessivas de fertilizantes fosfatados. Em janeiro de 2010 foram selecionados, em Bento Gonçalves, RS, uma área de mata nativa e um vinhedo com 33 anos de idade e com histórico de aplicação de fer...

Malaria vectors in the municipality of Serra do Navio, State of Amapá, Amazon Region, Brazil.

We conducted a survey to determine the vectors of malaria in six localities of Serra do Navio municipality, State of Amapá, from 1990 to 1991. Malaria infection rates of 29.3%, 6.2% and 20.4% were detected by human blood smears in Colônia Agua Branca, Porto Terezinha and Arrependido, respectively. There was no malaria infection detected in Serra do Navio. Fifteen species were identified among 3...

Peridomiciliary infestation with Triatoma sordida Stal, 1859 in the county of Serra do Ramalho, Bahia, Brazil.