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Workers and mainly winged females of Ponerinae ants have been causing painful stings on people in the city of São Paulo, Brazil. The species live in small colonies, comprised from a few dozen to a few hundred individuals with monomorphic workers. Ponerinae ants are predators, although some species f...

Alate ants are being collected in two urban green areas of the city of São Paulo, differing in their distances to natural Atlantic Forest remnants, in order to characterize the species diversity and the importance of urban parks in the maintenance of such diversity. Ants of the genus Camponotus are ...

Of the techniques used by pest control operators to control synanthropic cryptic insects and other arthropods such as German cockroaches, ants, bedbugs, and scorpions, the application of insecticides directly into cracks is one of the most commonly used methods. Three pesticide application equipment...

The aim of this study was to compare the structure of ant communities in two neighborhoods (Itaquera and Vila Mariana) with different urban profiles in the city of São Paulo. It also aims to establish the relationship between habits of the residents, the state of conservation and cleaning of homes a...

Brazil occupies nearly half of South America and is the fifth largest country in the world by geographical area. Brazil’s biodiversity reserves are the greatest in the world and urban pest diversity is not any different. It is estimated that 85 percent of the inhabitants in the country live in urban...

The fire-ants are widely distributed in Brazil, including urban areas, but few studies are found in this country. The Solenopsis saevissima species-group encompasses ecologically and economically important ants, and has the largest number of species of the genus Solenopsis. In Brazil, the main speci...

Leptospirosis is a zoonosis caused by a bacterium of the genus Leptospira in animals and humans; the latter are accidental hosts. A zoonotic disease is transmitted from animal to animal and from animal to man. The city of São Paulo, through the Office of Citizen Service (CAS), has recorded an increa...

Solenopsis invicta viruses (SINVs) were surveyed in samples collected in municipalities of São Paulo and Minas Gerais States, Brazil, using a multiplex RT-PCR method. Species identification was performed by mitochondrial COI gene sequencing. All three SINVs described in the US were detected in Brazi...

The present study diagnosed diseases present in Rattus rattus by histopathology. The material consisted of 43 specimens captured in the eastern city of São Paulo – Brazil. The animals were necropsied, and the organs were processed histologically and stained with hematoxylin-eosin. Microscopic analys...

Aiming at determining the population of rodents before and after the chemical treatment promoted by the City Hall of the city of São Paulo, the prevalent species, development phase and sexual ratio were recorded. Also the presence of ectoparasites and the isolation of zoonosis agents, with an emphas...

Several ant species have association to human structures in Brazil and their presence promotes problems such as contamination of food, damage to electronic appliances, and allergies due to the their venom. The objective of this work was to evaluate the effects of a methoprene-based bait against diff...