Do Ladybugs Bite? All You Need To Know

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Everyone loves ladybugs as compared to other insects. But do ladybugs bite? They are bright and colorful, and easy to catch and handle. It also has a fascinating life cycle. There are countless children’s books about them.

Ladybugs are gentle creatures, and their mandibles are used for chewing prey, not biting people. Sometimes it is also called a ladybird.

Ladybugs mainly feed on other insects, such as aphids, which they suck dry. Their mouth is specially adapted to bite through the soft body of an insect. It is important to note that there are two types of ladybugs- Asian Lady Beetles and native ladybugs. Asian Lady Beetles bite their prey, while native ladybugs don’t. 

Continue reading to find out more about ladybugs. 

Do ladybugs bite?

Most people are familiar with ladybugs as beneficial insects that feed on other pests. However, because they have chewing mouthparts, ladybugs can leave a mark and even sting if they feel threatened.

So, while most ladybugs will not bite humans, it is always best to be cautious around them just in case.

Ladybugs, Insects, Pair

Though ladybugs are not aggressive and will only bite if they feel threatened or mistake you as food, every case is different. Some people may experience a bite, while others will not. If a ladybug bites you, there is usually no need to worry as the bites are harmless.

Ladybugs do have mandibles, and their bite is not venomous. However, some people may react to the ladybug’s saliva, resulting in a rash or other irritation.

Types of ladybugs that bite

Although ladybugs are mostly known for being helpful little creatures that eat pesky aphids, they can also bite or pinch if they feel threatened. All ladybugs have mandibles (jaws) or legs which they use to defend themselves, so types of ladybugs that bite are the following:

Blue Ladybug

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The blue ladybug is native to Australia but was introduced to New Zealand in the early 1900s. It is now found throughout both countries.

The blue ladybug is beneficial because it preys on pests like aphids. It can be found in many different areas, such as backyards, lawns, doors, fields, orchards, parks, and woodlands. 

They are attracted to green and feed on plant lice and scale insects. Although they do bite people, ladybugs are not poisonous.

Asian Ladybugs

Harmonia axyridis on unidentified plant

Asian ladybugs are a species of ladybug identified by their orange coloring and the black spots on their outer shell. They are also sometimes called the “Halloween bug” because of their orange color.

They have recently found their way to the United States from China, Japan, Korea, and other Asian countries. Despite their name, they do not typically bite people.

Asian ladybugs, also known as orange ladybugs, are beetle species native to certain parts of Russia close to the Asian continent.

While Asian ladybugs are not harmful to humans, their bite can provoke an allergic reaction in some people. The bite can also irritate a cat or dog’s mouth and digestive tract.

Do red ladybugs bite?

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Yes, red ladybugs can bite people. The red ladybug is known to bite people more than other ladybugs. They have decorative patterns on their wings, but they also have strong legs that they can use to pinch people.

Do orange ladybugs bite?

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Interestingly, orange ladybugs are one of the most toxic types of ladybugs. They can release a foul-smelling fluid when they feel threatened, and their bite and pinch can be quite painful.

However, they are not stinging insects and do not have a nasty sting like bees or wasps. Nevertheless, people who are allergic to ladybug bites may get an itchy rash or swelling from getting bitten by an orange ladybug.

Do yellow ladybugs bite?

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The yellow ladybug is a small, round beetle that is found all over the world. They are usually red or yellow, with black spots on their wing cases. Some species of ladybugs have 22 spots, while others can have more or less.

Ladybugs are generally considered harmless, but they may bite if handled roughly. Their bites are not poisonous, but they can cause an allergic reaction in some people.

Do Japanese ladybugs bite?

Yes, Japanese ladybugs can bite. These small, hard-shelled beetles can secrete a strong-smelling liquid from their joints. This liquid can stain light surfaces, and some people may have an allergic reaction. 

Do Asian Lady Beetles bite?

Asian lady beetles, while not aggressive predators, will bite if handled carelessly or if they are disturbed. The bite is similar to a pinch, and no blood meal is taken. However, the pain and annoyance of multiple bites can be considerable.

Asian Lady Beetle, scientifically known as Harmonia axyridis, is a common nuisance pest in the United States. Overwinter, they remained inside buildings in large numbers, seeking shelter from the cold weather.

Unfortunately, they often invade homes and other structures in large numbers, leading to aggravation for homeowners. 

Do ladybugs have teeth?

Yes, ladybugs do have teeth! They use their mandibles for biting into prey as well as defending themselves. Ladybugs are soft-bodied insects that serve as a food source for other predators due to their lack of teeth.

Lady beetles are predatory and sometimes bite humans who disturb them.

Can ladybugs pinch you?

Ladybugs are known for their pinch. They use their back legs to pinch things and can leave a mark on your skin. The sensation from a ladybug pinch is the same as when you get pinched by any other small beetle.

Do ladybugs sting?

Though ladybugs are gentle creatures, they will sting if they feel threatened. Ladybugs have three primary means of defense: playing dead, releasing toxic liquid, and biting with their sharp mandibles.

When threatened, a ladybug may play dead by rolling onto its back and holding its legs in the air.

If that doesn’t work, the ladybug may release a foul-smelling liquid from two glands on its abdomen. And if all else fails, the ladybug can bite with its sharp mandibles.

Do ladybugs bite humans?

Ladybugs do not sting, and their bite is usually just a pinch. For the most part, ladybugs are harmless to humans, but it is possible to be allergic to them. If someone experiences an allergic reaction after being bitten by a ladybug, they should seek medical attention.

What does a ladybug bite look like?

Ladybug bites are usually very small and look like a raised red spot. Most people don’t feel anything when bitten, but some may experience minor irritation or swelling.

Ladybugs are not harmful to humans. They don’t even get through human skin, so there is no need to worry about any serious bites. 

Ladybug allergy symptoms (Element of lady bugs bites)

Ladybug allergies result from contact with the skin, respiratory system, or digestive system. Symptoms include sneezing, a runny nose, itchy eyes, and a rash.

In addition to the itchy rash, some people experience shortness of breath and cough when allergic to ladybugs. These symptoms usually go away once the person is no longer around the bugs.

If you experience these symptoms after coming in contact with a ladybug, see a doctor.

How to Treat A Ladybug Bite in Home?

Ladybugs don’t have venomous glands! So if you’re unlucky enough to get stung by one, it’s not something to worry about.

Ladybugs are not usually aggressive, but they may bite if threatened. If you are bitten, wash the area with mild soap and water and apply a cold compress to the bite. 

Most people don’t need any other treatment but see a doctor if the bite becomes infected. Although most ladybugs are not harmful, the harlequin variety may cause an allergic reaction. If a ladybug bites you, you can treat it with a cold compress and antihistamine cream.

Ladybugs are considered good luck symbols, and other insects do not typically gross out many people. While ladybugs do not bite, sometimes they can release a bad smell if disturbed. However, nothing bad will happen unless someone has an allergy to them.

In addition, when ladybug feels threatened, they secrete a small amount of reddish-brown blood from their joints. This fluid has an unpleasant smell and is not ladybug pee. The purpose of joint-bleeding is to protect themselves from being eaten by predators.

Are ladybugs poisonous?

Interestingly, the research found that the more vibrant the color of a ladybug, the less likely it is to be attacked. Ladybugs are poisonous to some animals, but not humans. Ladybugs use five defense mechanisms: camouflage, reflex bleeding, toxicity, foul odor, and wing shedding.

One of these is reflex bleeding with high amounts of the chemical in hemolymph, which deters predators. Additionally, Asian Ladybugs bleed from their joints to deter predators.

When threatened, ladybugs secrete a yellow liquid similar to dead leaves. They also give off a foul odor and taste, which deters predators. The residue left behind can cause an allergic reaction in humans, so it is best to avoid contact with them if possible.

Ladybugs, while not poisonous, can leave a residue on surfaces that may be difficult to clean and cause an allergic reaction in humans. The liquid from their bodies is not dangerous, but it can stain surfaces and make them dirty over time.

Are ladybugs dangerous?

Ladybugs are typically harmless, and the risk of being bitten from one is slim to none. Ladybugs consume a variety of pests, including aphids, mealybugs, and scales. So, while they may be an annoyance to some, they are ultimately beneficial creatures. 

Ladybugs are beetle and are considered good buys because they eat other pests. Only a small percentage of ladybugs can cause problems, such as allergies or skin irritation. In truth, most people consider ladybugs cute and helpful insects. Ladybugs can certainly bite if provoked.


Ladybugs can bite or pinch humans if they feel threatened. While their bites are not harmful, they can be quite painful. Ladybugs are beautiful creatures that many people enjoy having around their homes.

Unfortunately, some people are allergic to ladybugs, and their bites can cause a reaction. Allergic reactions to ladybug bites happen when the person has a protein allergy.

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.