Hello, I'm an expert in entomology, the study of insects. When it comes to ladybugs, also known as ladybirds or lady beetles, they are generally considered beneficial insects rather than harmful.

Ladybugs are predators of many common agricultural pests, such as aphids, mites, whiteflies, and spider mites. They are often used as a form of biological pest control in gardens and farms. A single ladybug can consume a large number of these pests in a short period, which helps to protect plants from damage.

However, it's important to note that while ladybugs are beneficial to gardens and crops, they can sometimes be a nuisance when they invade homes in large numbers, especially during the winter months. This is because they seek shelter from the cold. Inside homes, they are harmless and do not bite or sting, but their presence can be startling or cause concern for some people.

In summary, ladybugs are not harmful to humans or the environment; in fact, they are quite beneficial. The key point to remember is that they are a natural and effective form of pest control.

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Ladybugs will also feed on scale insects and plant mites. ... Ladybugs are not poisonous to humans. However, they can have toxic effects on some animals. Ladybugs have a foul odor which deters some predators from eating them and their bright colors also help as a deterrent.read more >>