Mosquitoes Enter House (IMAGE) Penn State Caption Malaria mosquitoes find their way to humans by responding to odors leaving the house. Many mosquitoes enter the house through the eave -- the gap between the roof and the walls. Credit In2Care Usage Restrictions Credit In2Care License Licensed content 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.