No flea treatment can kill flea pupae because of the impenetrable pupal cocoon. ... The only way to get rid of flea pupae is to treat the home with a household flea treatment and encourage them to hatch. Once the pupae have hatched into adult fleas, the insecticide in the household flea treatment will then kill them.

What kills the flea pupae stage?

The only way to get rid of flea pupae is to treat the home with a household flea treatment and encourage them to hatch. Once the pupae have hatched into adult fleas, the insecticide in the household flea treatment will then kill them. Before treating your home with a household flea treatment, we recommend vacuuming.

How do you kill flea eggs larvae and pupae?

Flea eggs aren't sticky, so while adult fleas typically lay their eggs on their host, those eggs soon fall off into the environment. Vacuuming kills adult and non-adult fleas (eggs, larvae, pupae), which means you don't need to worry about what to do with the vacuum bag or canister.