Historic & Scenic Sites in and around Washington County, MO by Esther & Gene Carroll History of Washington County Jails & Courthouses by Esther Carroll These links are a part of Carrolls' Corner - lots of Washington County History!
In a humid environment, over 60% of newly hatched fleas can live without a host for 2 months. In a cool, dry environment, only 10% will live without an immediate host. Humidity is the key to flea survival.
How can fleas live in a vacant house for 4 months? They are infested. If you read our Flea Control article, youâll learn that flea pupae can live for up to a full year no in a vacant home with no problem. And since theyâll only hatch when there is a food source close by for them to feed upon, anyone entering a vacant home which has lots of flea pupae will be subject to an immediate attack.