The subject matter disclosed herein provides a flea vacuum. The device may include a nozzle having a first opening and a second opening. The first opening may have a tapered end and may be configured to vacuum an insect (e.g., a flea, etc). The device may also include a hose coupled to the nozzle. The device may also include an adapter coupled to the hose. The adapter may have an end configured for insertion into a vacuum. The device may also include a kill agent comprising bentonite as the active ingredient for killing and/or neutralizing pests, such as for example fleas. Related apparatus and methods are also described.