This is the time of year when that little nursery rhyme "Ladybug, ladybug, fly away home" is said more than once. In fact, ladybugs are probably hanging in your home already. It's getting cold out and they need a place to hibernate. Your house is nice and warm.
Wouldn't you know it -- ladybugs are into the pheromone thing. Ladybugs release pheromones, sort of like "perfume" to attract other ladybugs. Thats why you won't see just one. If you see one you can be sure there are at least 101 that are following it.
Ladybugs use pheromones as a means of communication during mating and hibernation. Insect pheromones are very powerful. They can be detected by others up to a quarter of a mile away. This helps ladybugs find each other and it lets future generations know of a good place to vacation for the winter.
Sure, they look kinda cute with their red and black shell or yellow and black but if you have had them around they are a mess. The chemical "scent" can remain year after year, and not only on the outside of a structure, but also within the walls, where ladybugs tend to hide before taking over your home.
These are not bugs that just go away with a little bug spray. They are tough to get rid of.
According to Tracie Jenkins, a retired entomologist and insect genetics professor at the University of Georgia you can suck them up in your vacuum and release them into the woods. A nylon stocking can be stuffed down the vacuum’s hose and secured to the opening with a rubber band to catch them.
Or you can call an exterminator. That would be my first choice. The vacuum idea would be my last, if I was on a deserted island with the vacuum being the only thing I could bring with me.
Easier than trying to get rid of them is keeping them out to begin with. To do this, secure the fort. Don't leave any cracks open around the doors or windows --everything needs to be sealed up tight and you can get some extermination companies to help you with this. It's called inclusion. It's a little pricey but well worth it.
The bad news is that ladybugs are annoying the good news is they won't bite you or actually do anything to you. They do bleed yellow and it's a pretty raunchy smell. It's what attracts the relatives to come over. But they are more of an annoyance as opposed to an insect that leaves welts all over your body or bores holes in your walls.