Quick Guide: Being Bitten by Ladybugs
Ladybugs, also known as lady beetles, are generally harmless and not known for biting humans. However, in rare cases, some species, such as the Asian lady beetle (Harmonia axyridis), may bite if they land on your skin, though these bites are usually mild and do not cause serious harm. Here's a guide to help you understand and address the situation:
Identify the Culprit
- Asian Lady Beetles: These beetles are similar in appearance to common ladybugs but can be distinguished by a few characteristics:
- Color and Markings: They range in color from orange to red and can have various numbers of spots. They often have a distinctive "M" or "W" shape on their heads.
- Behavior: Asian lady beetles tend to congregate in large numbers, especially in the fall, and may enter homes in search of warmth.
Lady Bug
Summary
Ladybugs are beneficial insects often found in gardens and fields, where they feed on aphids and other plant pests. They can sometimes enter homes in large numbers, especially in the fall when seeking shelter.
Interior
May gather on windows, walls, or in attics and basements, particularly during colder months as they seek warmth.
Exterior
Found on plants, shrubs, flowers, and crops; commonly seen in gardens and fields.
Common Signs Of Infestation
Large groups of ladybugs clustering, especially around windows and doors.
Services Needs
Generally not considered pests and do not require pest control. However, if they become a nuisance indoors, physical removal and sealing of entry points can help.
If removal is needed, gently vacuum the insects or sweep them into a container for release outside. Seal cracks and gaps around windows, doors, and foundations to prevent entry.
Asian Lady Beetles
Summary
Asian lady beetles are similar to native ladybugs but can be more aggressive. They are beneficial in gardens as they feed on aphids and other pests. However, they can become a nuisance when they enter homes in large numbers to overwinter.
Interior
During cooler months, they seek warmth and can be found in attics, basements, around windows, and in wall voids.
Exterior
Found on plants, trees, and crops, especially where aphids are present. They are often seen congregating on sunny, light-colored surfaces.
Common Signs Of Infestation
Large numbers clustering on buildings, particularly on the sunny side; they can leave a yellowish secretion with a foul odor when disturbed.
Services Needs
They do not generally require pest control unless they become a significant nuisance indoors. In such cases, pest control may focus on exclusion and physical removal along with a treatment.
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