Have you ever encountered a long cotton-like larva looking like silk and debris in your basement? That’s what plaster bagworms look like!
Learn more about plaster bagworms and how they behave. We will also answer the all-important question: Is a plaster bagworm dangerous, and are they pests?
So, let’s get on with it!
What Exactly is a Plaster Bagworm?

Plaster bagworms are a type of moth at its larval stage. They are also known as phereoeca uterella or household casebearer.
The name “bagworm” is due to the outer protective casing during the pupal stage. They are gray with up to four spots on their fore wings.
The life cycle of plaster bagworms is similar to that of any bug. First, it’s a bagworm caterpillar, then the cocoon, and finally, an adult moth.
Plaster bagworms live throughout the winter as eggs; 200 eggs are incubated at once. It’s not until late spring and early summer that the bagworm larvae begin their lives.
Where do Bagworms Live?

Dark and moist places attract these insects. This could be the inside of your home too as the garage, closet, attic and basement are all inviting places.
They can do well in humid areas too.
Are Plaster Bagworms Harmful to Humans in Any Way?
Now, you might be wondering if these are considered dangerous pests or a threat to humans in any way.
The short answer is No.
Plaster bagworms are not harmful to humans, nor do they bite or sting.
However, they could be a nuisance for homeowners due to it’s diet. It can also plaster and damage stucco walls, rugs and carpets. Hence, they could become a problem and are considered pests.
What do Plaster Bagworms Eat
These furry caterpillars are not picky eaters. They like to feed on lint, dead insects, spiderwebs and other organic material. Additionally, fabrics made of natural fibers is a good food source too.
Get Rid of Plaster Bagworms

For the existing plaster bagworms population, you could use neem oil or just remove plaster bagworms by hand in a protective bag. Organic methods are always preferred over chemicals like insecticides.
In case of a full blown plaster bagworm infestation, these methods may not suffice. Calling a professional pest control services is the smartest thing you can do. They know techniques we don’t such as integrated pest management.
Prevent Bagworm Infestation

Vacuuming and cleaning your house time to time is the way to go. Make sure no corner is left unchecked. Investing in a dehumidifier is a good idea too. Adjusting the humidity levels could keep these insects far away.
That’s All About Plaster Bagworms!
There you go, you now know everything relevant about these pests.
You now know how these harmless pests look like and how to keep your home safe!


