the present study reports range extansion of moenkhausia oligolepis to the pindaré river drainage, of the mearim river basin, and itapecuru river basin, maranhão state, northeastern brazil. this species was previously known only from venezuela, guianas, and the amazon river basins. in addition, we present some meristic and morphometric data of the specimens herein examined and discuss on its di...

Longivena gen. n. and five new species are described and illustrated from caatinga and cerrado habitats from Brazil: Longivenadigitata sp. n., type-species (Maranhão, Bahia, Minas Gerais and Mato Grosso do Sul states), Longivenabilobata sp. n. (Maranhão state), Longivenaflava sp. n. (Mato Grosso do Sul state), Longivenalimeiraoliverai sp. n. (Maranhão state), Longivenaspatulata sp. n. (Maranhão...

INTRODUCTION The study aimed to show the situation of paracoccidioidomycosis in the state of Maranhão, Brazil. METHODS This study is a descriptive case series developed in two stages. First, a survey of cases originating from the state of Maranhão at the Instituto de Doenças Tropicais Natan Portela, Piauí (IDTNP) from 1997 to 2007, and second, the clinical description of 29 cases diagnosed in...

A non-engorged adult female Amblyomma dissimile and two Amblyomma sp. larvae were found parasitizing the lizard Ameiva ameiva in the municipality of Chapadinha, State of Maranhão. This is the first record in the state of Maranhão and fills a gap in the distribution of A. dissimile in Brazil. The lizard A. ameiva represents a new host for A. dissimile, and also the first record of this tick spec...

The aim of this study was to assess the prevalence of schistosomiasis mansoni in Maranhão State, Brazil, from 1997 to 2003, based on data from the regional health offices included in the Schistosomiasis Control Program. The statistical method was polynomial regression. The municipalities (counties) of Bacabal and São Luís showed a constantly downward trend throughout the time series. Colinas sh...

Five new species and one new genus of Cerambycidae are described from Maranhão: Mirador ayrii gen. nov., sp. nov.; Stizocera ignea sp. nov.; Engyum vicinum sp. nov.; Thoracibidion rubripenne sp. nov.; Polyrhaphis ju sp. nov. Sphagoeme Aurivillius, 1893 is proposed as a new synonym of Limernaea Thomson, 1878, and Sphagoeme nigrotibialis Martins, 1973 is proposed as a new synonym of Limernaea pic...

The present paper aims to increase the knowledge on the sand fly fauna in the cerrado areas of Maranhão state in urban, rural and forest environments. The research was carried out from October 2007 to September 2008, between 18:00h and 06:00h, in the municipality of Chapadinha, northeast Maranhão. For insect sampling, CDC light traps were set up in peridomicile and domicile areas of urban and r...

OBJECTIVE To assess the impact of the implementation of neonatal screening on hospitalization and death rates due to sickle cell disease in patients from the state of Maranhão, Brazil. METHODS A descriptive study was performed of all inpatients and deaths of patients with a diagnosis of sickle cell disease in Maranhão between 1999 and 2012. Data were collected from the Hospital Information Sy...

This paper provides the results of a taxonomic survey of the Cyanophyceae/Cyanobacteria in a frenge red mangrove forest in the estuaries of Estreito dos Mosquitos and Coqueiros, São Luís, State of Maranhão, Brazil. A total of 15 taxa were identified in 8 families, as follows: Synechoccaceae (2), Chroococcaceae (1), Hyellaceae (1), Xenococcaceae (1), Oscillatoriaceae (1), Scytonemataceae (2), Ph...

The study had the aim of characterizing the geographical distribution of Lutzomyia whitmani s.l. in the state of Maranhão, Northeastern Brazil. Between 1992 and 2005, 9,600 specimens (65.1% males and 34.9% females) were caught in the rural and urban zones of 35 municipalities in regions consisting of forests, savanna and mixed vegetation with coconut plantations, sandbanks and heath. Greater ab...