Why Are Ladybugs Invading My House?

Ladybugs are considered beneficial insects for the garden because they eat a lot of plant-damaging pests. However, they can invade the house if colonies of ladybugs are present in your garden, as they fly from one place to another around their living sites.

Why Are Ladybugs Invading My House? Ladybugs can invade your house to search for hibernation sites, maintain their body temperature, and seek shelter from extreme weather, such as rainfall, thunderstorms, cold, hot or dry weather, and windstorms. Moreover, they get attracted to the indoor blooming flower plants due to their fragrance, light sources, and pheromones of other ladybugs.

They find entry points around and get inside, which can cause a nuisance for people living inside this home. They release yellowish fluids to protect themselves when threatened and stain your white couches or other fabric furniture items.

Sites for hibernation

Ladybugs are cold-blooded insects that seek warm and secure sites for hibernation when the cold weather arrives. They depend on the outside environment for survival and have adapted to use different techniques to survive the winter season.

In winter, they cannot maintain their body temperature and find enough food, so they search for places to hibernate and conserve energy to survive.

They can enter the house because it provides a secure and warm place to hibernate and avoid predation. They invade your home through the crack sealing around windows, doors, and vent pipes in attics.

When I went to check the vent pipe connections in my attic last November, I saw a colony of hundreds of ladybugs hibernating.

I was surprised to see such a large number of these beetles in this place, so I asked my friend to come and help me remove them. I sealed the gaps and cracks to keep them out of my house.

Seeking shelter in extreme weather

They seek shelter when the outside weather is not suitable, such as heavy rainfall, windstorms, and temperature fluctuations.

Ladybugs fly and crawl to find favorable sites to roost until the weather is suitable for these tiny insets to go out and forage to survive.

Invading the housing is a perfect and most suitable option for them if they are living in your garden. Moreover, my cousin studied many fun facts about these tiny insects and told me they also search for suitable and shady places on hot summer days when the outside temperature is unbearable.

They have to cool down their body temperature and avoid dehydration or overheating in direct sunlight.

When the wind is strong, they cannot travel long, so they get inside these secure places to protect themselves.

Attracted to blooming plants

Ladybugs are attracted to many flowering plants. They eat aphids and feed on pollen or nectar.

People place many flowering plants inside their homes for decoration or to add natural beauty or fresh oxygen to this place.

However, these flowering plants can cause problems for homeowners because insects can invade their houses to feed on them.

For example, they can enter through windows or doors if you have placed marigold, yarrow, coneflower, and other flowering plants in your living room and bedroom windows.

I observed some ladybug species feeding on the nectar and pollen of my indoor flowering plants in July when the food in gardens was scarce due to the hot and dry weather outside.

Gather around the light sources

They are attracted to the light sources around your house, especially at night, as it provides warmth to these beetles.

They can enter through the gaps in window frames near the light source and fly around to find an exit if trapped there.

For example, a few days ago, I saw a few ladybugs flying around the table lamp in my living room, and I was surprised to see this because they never entered my living room before.

I checked around the doors and windows and found that the window behind the book rack was open. They entered the place because they were attracted to the lamp.

My friend also told me he often sees ladybugs around the light bulb on his porch because the temperature drops at night, and they need to warm up their bodies.

Smell the pheromones

They release pheromones to attract other fellows to their hibernating place when they find a suitable environment.

One or two beetles in your house can attract a whole colony of hundreds of ladybugs, which will hibernate there for 4-5 months until the temperature rises.

They can detect the pheromones from a long distance, such as 0.4-0.5 kilometers away. These pheromones can stay inside the home or around the walls for a long time, which can attract ladybugs in the future.

Get inside through porch plants

They are always around the flowering plants no matter where you have placed them, outside the house or in your garden.

I have placed many plants on my porch because I did not have enough space to build a flower garden.

Last week, I moved some plants from the porch to my living room because the flowers on these plants bloomed and looked beautiful.

The next day, I saw some red and orange ladybugs crawling on the plant and feeding on the pollens of these flowers.

I asked my friend about these beetles suddenly appearing on my plants, and he told me that they invaded the house through the plants from the porch and that I should check all the plants on my porch to avoid infestation.

Color home exterior

Ladybugs are attracted to light colors, such as white and cream, and the home exterior with white paint.

One of my neighbors told me that these beetles will invade the house if you have painted the exterior of your home white, yellow, cream, or beige.

He said they are attracted to the light-colored homes because they mimic the look of their natural habitats, limestone cliffs where they hibernate in winter.

They do not cause structural damage if they enter your room, but an infestation in one place can create problems and nuisances for the residents.

They seek potential sites for overwintering when entering through windows, cracks, or gaps. The warmth of the house is another significant factor, along with the light-colored exterior of your home.

Attracted to indoor plant fragrances

My colleague shared his experience dealing with ladybug infestations caused by the fragrances of indoor flowering plants in his living room and bedroom.

For example, he said that plants like fennel, lavender, cilantro, marigold, statice, and dandelion produce intense fragrances, which act as magnets to attract ladybugs.

He found these beetles in large numbers around the plants in his house and had to call pest exterminators to help him remove them.

Grow these plants in your garden if you love to have colorful flowers around you because many insects and bugs invade your place if you place them inside.

Searching places to mate and lay eggs

They get inside your home in winter to hibernate and seek shelter in spring and summer to find secure places to lay eggs, such as on indoor plants.

They are most active in spring and summer and find suitable mates around their habitats.

My aunt has raised many ladybugs in captivity and told me that these beetles lay eggs on the underside of the leaves to ensure survival and prevent predation.

Sometimes, if they find the host plants in this place and lay eggs, they get inside the house through easy access points because the predation risks are less inside the home.

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