Here is a link to the article The Relationship of Purple Martins to Mosquito Control.
Purple martin mosquito Our present knowledge of the habitats and flight habits of mosquitoes and of the food habits and feeding behavior of the martin can lead us only to the conclusion that for the largest part of the day Purple Martins and mosquitoes simply do not occupy the same space at the same time.
Sometimes, the places that sell those martin houses try to paint a different picture than what is really logical.
