
The Asian ladybug killer is a common problem in many homes, but there are effective solutions to get rid of them.
Seal all cracks and crevices around windows, doors, and pipes to prevent Asian ladybugs from entering your home.
Using a dehumidifier can help reduce the moisture levels in your home, making it less appealing to Asian ladybugs.
In the fall, Asian ladybugs often seek shelter in homes, so it's essential to take preventative measures before they become a problem.
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What Are Asian Ladybugs?
Asian ladybugs are a common overwintering pest that appears on exterior walls of structures or indoors in large clusters. They're quite aggressive and can bite if you come into close contact with them.
One of the most noticeable things about Asian ladybugs is the foul odor they release. This odor can stain walls and fabrics, making them a real nuisance.
Asian ladybugs are known for their ability to bite, but fortunately, their bites are not typically serious. However, they can still be quite painful.
If you're dealing with an Asian ladybug infestation, it's essential to take action quickly to prevent further damage.
Prevention and Control
To prevent Asian lady beetles from reinvading your home, start by sealing small entry points, cracks, and crevices on the outside of your structure with caulking or pest control foam. Fix or repair damaged screens or door seals to keep them out.
Trim back vegetation, including tree limbs that contact your roof, to remove potential entry points for insects. This will help keep your property free from unwanted visitors.
To maintain a barrier against Asian lady beetles, reapply Supreme IT every 3 months throughout the year, especially during the fall. This will ensure you don't have a future invasion.
Prevention and Control
To prevent Asian lady beetles from invading your home and yard, start by sealing small entry points, cracks, and crevices on the outside of your structure. Use caulking or pest control foam to seal and close off any cracks and crevices.
Trim back vegetation, including tree limbs that contact your roof, from your structure to prevent insects from using it as a means to get close to your property.

Sealing entry points is just half the battle - you should also fix and repair weather stripping and window and door seals. This will help prevent Asian lady beetles from entering your home in the first place.
Apply a repellent solution around anticipated entry points to deter Asian lady beetles. Look for a solution that uses a base of peppermint oil, citrus oil, citronella oil, or any other scent known to repel Asian lady beetles.
To keep Asian lady beetles at bay, reapply Supreme IT every 3 months throughout the year, especially during the fall (or a month in advance before winter). This will help repel and kill any Asian lady beetles that might return to your property.
Here's a quick checklist to help you prevent Asian lady beetle infestations:
- Seal small entry points, cracks, and crevices on the outside of your structure.
- Trim back vegetation from your structure.
- Fix and repair weather stripping and window and door seals.
- Apply a repellent solution around anticipated entry points.
- Reapply Supreme IT every 3 months throughout the year.
When to Call a Professional
If you're dealing with a severe infestation of Asian lady beetles, it's best to call in a professional exterminator. They have the expertise and equipment to handle large-scale infestations.

Asian lady beetles can be a nuisance, but they're not typically a sign of a larger problem. However, if you're unsure about how to identify the source of the infestation, a professional can help you get to the root of the issue.
In some cases, Asian lady beetles can secrete a yellowish liquid that's unpleasant to deal with. This liquid is a natural defense mechanism, but it can still be a problem if you're not prepared.
If you're looking for a natural way to deter Asian lady beetles, there are several scents that can help. Citrus, mint, and peppermint are all known to repel them.
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Identification and Detection
Asian lady beetles can be mistaken for ladybugs, but there are distinct differences to look out for. One key difference is size: Asian lady beetles are slightly larger than ladybugs, measuring 0.25 inches long as adults.
To accurately identify an Asian lady beetle, look for an oval shape, spots on their bodies, and a mostly white or cream-colored head with an M or W-shaped mark. Some Asian lady beetles may not have spots at all, and their colors can vary from yellowish to orange.
Here are some characteristics to help you distinguish Asian lady beetles from ladybugs:
- Size: Asian lady beetles are 0.25 inches long, while ladybugs are slightly smaller.
- Shape: Asian lady beetles are oval, while ladybugs are more round.
- Head markings: Asian lady beetles have an M or W-shaped mark on their mostly white or cream-colored head.
- Colors: Asian lady beetles can vary from yellowish to orange, while ladybugs are typically bright red with black dots.
Asian lady beetles are also more aggressive and will bite or scratch if they come into contact with your skin.
Beetle vs Bug
Asian Lady Beetles can often be mistaken for native Ladybugs, but their differences in appearance and behavior can help you tell them apart.
Ladybugs are typically a brighter, vivid red color than Asian Lady Beetles.
Asian Lady Beetles have a distinctive M-shaped white marking on the top of their head.
They can range in color from yellow to red-orange, or even black, making them harder to identify.
The Asian Lady Beetle's wings can be completely unmarked or dotted with up to 22 black spots.
These insects are quite aggressive and can bite, which is a notable difference from the more docile Ladybugs.
In the winter, Asian Lady Beetles will invade homes and buildings to escape the cold, which is a common problem for many people.
Ladybugs, on the other hand, stay outside during the winter and don't try to invade your home.
Identification

Asian lady beetles can be easily mistaken for ladybugs, but they have some distinct differences that set them apart.
Asian lady beetles are slightly larger than ladybugs, measuring 0.25 inches long as adults.
Their oval shape is similar to ladybugs, but they are less round. Some Asian lady beetles may not have spots at all, while ladybugs typically have bright red bodies with black dots.
Asian lady beetles can vary in color from yellowish to orange, while ladybugs are characteristically bright red.
One of the most distinctive features of Asian lady beetles is the M or W-shaped mark on their mostly white or cream-colored head.
Here are some key differences between Asian lady beetles and ladybugs:
Asian lady beetles are also known to be more aggressive and will bite or scratch if they come into contact with your skin.
Protecting Against Infestations
Sealing any potential entry points is crucial to controlling Asian lady beetle infestations.
In Asia, native predators keep these pests in check, but those natural predators remain in Asia. Controlling these pests falls to people instead.
Effective Asian lady beetle control involves stopping these pests before they get inside. You can create a powerful protective barrier with Amdro Quick Kill residual pesticides.
Amdro Quick Kill Insect Killer for Lawn & Landscape Ready to Spray and Amdro Quick Kill Insect Killer for Lawn & Landscape Concentrate work in minutes to kill existing Asian lady beetles by contact.
These concentrated liquid products keep protecting against new beetle arrivals for up to three months. They treat lawns, landscape plantings, and building foundations up to a height of 2 feet.
Amdro Quick Kill Lawn Insect Killer Granules kill Asian lady beetles by contact within 24 hours and keep killing these pests for up to three months. Applied according to directions with a regular lawn spreader, the granules protect against Asian lady beetles in lawns and areas around your home.
Amdro Quick Kill Insect Killer for Home Perimeter granules create a perimeter of protection immediately surrounding your home. The easy-to-use granules kill Asian lady beetles by contact and keep protecting against these pests for up to three months.
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Getting Rid of Asian Ladybugs
Asian ladybugs can be a real nuisance, but the good news is that they're relatively easy to get rid of. They don't cause damage to homes or buildings and rarely harm humans, but they can still be a pain to deal with.
These insects are attracted to warmth and light, so you might find them on the south and western sides of buildings in the fall. They can fit through openings as small as 1/8th inch in size, so it's essential to seal any gaps or cracks around your home.
Using a vacuum is a great way to eliminate Asian ladybugs without spreading their smelly liquid around. It's also a quick and easy way to dispose of them. If you do need to brush them off the walls, be careful not to squish them, as this can release a scent that attracts more insects.
To keep Asian ladybugs out of your home, it's crucial to seal any points of entry and remove any pheromones they might be using to attract more of their species. You can use light traps, like the Dynatrap indoor trap, to catch these insects and prevent them from entering your home.

Here are some effective ways to get rid of Asian ladybugs:
- Vacuum them up
- Seal any gaps or cracks around your home
- Remove any pheromones they might be using
- Use light traps to catch them
Some popular insecticides that can be used to kill Asian ladybugs include Supreme IT Insecticide and Flex 10-10. It's essential to follow the instructions carefully and take necessary precautions when using any type of insecticide.
Native and Infestation
The Asian lady beetle is often mistaken for native ladybugs due to their similar markings, but a closer look reveals distinctive differences. Some native ladybugs have a white marking behind their head in the openings of what looks like a black "M".
The Asian lady beetle has been known to infest structures, and its presence can be a nuisance. The University of Kentucky College of Agriculture, Food and Environment notes that Asian lady beetles can infest buildings, homes, and other structures.
If you're trying to determine if you have an Asian lady beetle infestation, look for the white marking behind its head. Some Asian lady beetles also have dark black spots, but others may have very light or nonexistent spots.
The Asian lady beetle was introduced to the U.S. in 1916 to combat aphids, and it has since spread throughout much of the country.
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Frequently Asked Questions
What scents do Asian ladybugs hate?
Asian ladybugs are repelled by the scents of citronella, bay leaves, and peppermint oil. Using these scents can help deter them from entering your space.
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