Ovillanta (image) EurekAlert! Share Print E-Mail Caption An 'ovillanta' is created from two 50 cm sections of an old car tire, fashioned into a mouth-like shape, with a fluid release valve at the bottom. Related news release: Canadian innovation for killing mosquito eggs could help Zika fight Credit Daniel Pinelo Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.