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Do Ladybug Infestations Cause Damage?

Posted by Mosquito Squad Plus

July 23, 2026

Do Ladybug Infestations Cause Damage?

The weather has finally warmed in Portsmouth, and you’re ready for a summer and fall season filled with yard hangouts, barbeques, and peaceful evenings on the back porch. That is, until you spot them: those teeny bugs that look like ladybugs, but are usually something much more unpleasant. 

While one or two can simply be strays, swarms of them in your yard, home, or around outdoor structures could be a sign of a deeper problem. Let’s talk about why these pests come around, and why you should be prepared to contact Mosquito Squad Plus for ladybug control in Portsmouth, MA.

What Kind of Damage do Ladybugs Cause?

Well, let’s get one thing straight first. Those little red-and-black bugs might look like the ladybugs you remember from childhood, but more likely they’re Asian lady beetles: an invasive species that often invades homes in late summer and early fall to spend the winter months. In fact, they often compete with native ladybugs for food, making them the kind of pests we don’t want to encourage.

Luckily, they don’t damage wood, clothing, or food by chewing. However, the yellow fluid they secrete can leave stains on carpets, clothing, upholstered furniture, or even light-colored walls. Accumulations of these pests also aren’t great because they can cause mouth irritations in pets that may think they’re a yummy treat, and crushed or dead beetles in attic spaces, basements, and other areas can trigger allergic reactions in some people.

How Will They Get Inside Your Home?

As we mentioned, Asian lady beetles will often invade during the fall, so they have a place to ride out the cold New England winter. They cluster on warm, sunny exterior walls in autumn, often getting inside through common entry points like gaps around windows, doors, siding, and utility penetrations.

This means that the main way to address the issue in the long term is to focus on exclusion rather than treatment alone. Make sure that when you contact a pest control company for ladybug control, they offer treatment and exclusion in a single service so you’re getting everything you need to remove these pests from your home. 

How Our Ladybug Control in Portsmouth, MA Works

While treatment is crucial for removing existing ladybug and Asian lady beetle populations from your property, we have to focus on reinforcing your home to help prevent future infestations. That’s why we’ll always begin your ladybug control service with an inspection to identify potential entry points and seal them up for good.

Only then will we treat your perimeter with EPA-registered products that create a protective barrier around your home. This comprehensive, multi-step solution is what allows us to control up to 85-90% of pests. It’s always performed by trained technicians who will return every 21 days throughout the season to check their work before reapplying your treatment.

Contact Our Team for Ladybug Control in Portsmouth, RI?

When you’re ready for ladybug control that helps remove those pesky pests for good, Mosquito Squad Plus is here to help. We’ll perform your first treatment within 48 hours, or it’s free, and then keep up a 3-week treatment cycle throughout the season.

Count on us for transparent pricing, great customer service, and a 100% satisfaction guarantee that backs all of our expert work. 

Seeing ladybugs clustered in your Portsmouth home? Call Mosquito Squad Plus of Rhode Island at (401) 542-2804 or contact us online for a free quote.

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