Ovitraps experiment in a survey conducted in the city of Recife, Brazil.

<p>Research conducted from April 2004 to April 2005, counting 13 cycles of 28 days each, in four urban areas with the presence of <i>Aedes aegypti</i> mosquitoes. (<b>A</b>) Average number of <i>Aedes aegypti</i> eggs per ovitrap per site. Legend in B. (<b>B</b>) Percentage of ovitraps with <i>Aedes aegypti</i> eggs inside, for each site. Despite the control intervention implemented from December 2004 to April 2005 in sites 1 and 3 (corresponding to cycles 9-13 and to dry season), the percentage of ovitraps with <i>Aedes aegypti</i> eggs showed no major changes (part B). Data modified from Regis et al. <a href="http://www.plosntds.org/article/info:doi/10.1371/journal.pntd.0000942#pntd.0000942-Regis1" target="_blank">[19]</a>.