if you want to kill a bug in your home their are many choices that you have buy bug killing spray like raid leave poison on the floor food is probably why their in your home so clean up food as soon...
Rubbing alcohol works very well on mealy bugs. Just use some alcohol soaked, ear-swabs and rub all of the white gunk off. Or, if you have a spray-bottle, just douse the mealy bugs with it. Be careful...
The mealybug destroyer [Cryptolaemus montrouzieri], one of the ladybugs, is an effective biological control of mealy bugs [Pseudococcus dendrobiorum] on orchids ... and any other plant under mealy...