Lethal and sublethal effects of essential oils fromPiper capitarianumYunck andPiper krukoffiiYunck onPlutella xylostellaL.

Plutella xylostella (L.) is responsible for considerable vegetable crop losses in the metropolitan region of Manaus, Brazil. In recent decades, essential oils have been investigated as an alternative to synthetic insecticides.

Acaricidal property of the essential oil from Lippia gracilis against Tetranychus urticae and a natural enemy, Neoseiulus californicus, under greenhouse conditions.

The essential oil from the leaves of Lippia gracilis was investigated for fumigant and residual activity against Tetranychus urticae (Acari: Tetranychidae) and Neoseiulus californicus (Acari: Phytoseiidae). The results were compared to eugenol, Ortus and Azamax, as positive controls. Gas chromatography (GC) and GC/mass spectrometry analysis enabled the identification of 28 compounds, accounting for 99.

Factors associated with the type of violence perpetrated against adolescents in the state of Pernambuco, Brazil.

To analyze the factors associated with the types of violence against adolescents reported in Pernambuco, Brazil, from 2009 to 2012. Prevalence study conducted through an electronic database from the Violence Surveillance Official System in a population of 5259 adolescents (aged 10-19 years). Poisson regression was used, with significance level at 5%.