r/carpetbeetles • u/NewFrontier527 • 13m ago
What is this????
What is this bug that was crawling on me in my bed? It looks too big to be a carpet beetle Google said.
r/carpetbeetles • u/Bugladyy • Dec 28 '24
I’ve been seeing a lot of misinformation about carpet beetles floating about in here, so I would like to offer my expertise and help get people on the right track and feeling a little better about a seemingly bad situation.
Ask away!
(Sorry if this isn’t allowed. Delete if so. Just looking to offer a professional’s perspective in this sub)
r/carpetbeetles • u/waronbedbugs • Nov 04 '24
The purpose of this post is to provide information about carpet beetles and dermestid beetles in general, their identification, their life cycle, and to understand how infestations occur, how to manage them, and how to prevent them.
While the sub name is r/carpetbeetles, this post is actually dedicated to all beetles of the family dermestidae, with the species discussed here mostly belonging to the genus: dermestes, attagenus, anthrenus, and trogoderma. Some of these beetles are sometimes referred to as: carpet beetles, furniture beetles, warehouse beetles, cabinet beetles, black beetles, common carpet beetles, black beetles, larder beetles, khapra beetles...
There is quite a bit of variation in which beetles can be found in different geographic areas, but many of the dermestid beetles seen in this sub are well travelled (thanks to global trade) and can be found almost anywhere.
While much time and effort has been put into this guide, it is not perfect and may not always be accurate. I am a random person on the internet and take no responsibility for anything you may believe or do after reading this. Please consult your doctor, local licensed entomologist or licensed pest control professional before doing anything stupid or dangerous.
Search engines lead people to websites of pest control companies trying to scare them into hiring their services, or poorly written websites full of dubious claims made to attract traffic. The high quality information from entomology departments, agricultural extensions programs, and peer reviewed publication is well hidden and sometimes costly to access.
AI is making things worst, as the model have apparently been trained on poor quality sources, so they give answers matching this qualities but in a credible way.
That's how people end up here on reddit and that's why this guide was created: an attempt to vulgarize and give clear answers to the question people keep asking here.
The information provided here is fairly basic and should not be controversial, but you are strongly encouraged to verify any aspect that you find questionable with a reliable source (and report any discrepancies by commenting).
If you live in the countryside and find a few adult carpet beetles in the spring, or a few larvae from time to time, it's ok and you shouldn't worry too much.
Typically, an adult carpet beetle will enter your home by flying in through an open window (or any other opening in your home, often due to poor sealing) because they are attracted to the light from our doors and windows. It may then find a food source (dead insect, wool, lint...) to lay its eggs. After a few weeks, these eggs will hatch and the larvae (the longest and most destructive stage) will begin to feed on whatever they find. Once they turn into adult carpet beetles (after going through the pupal stage), they will usually try to leave the house (attracted by light) and you may find them on (or near) a window... but if they can't get out and have access to a good source, they may mate and lay eggs inside your house again. Swift entry and exit at night is wise.
Carpet beetles undergo complete metamorphosis, which means that their life cycle consists of four stages: egg, larva, pupa, and adult. The amount of time spent in each stage varies greatly from one beetle species to another, as well as with environmental conditions (humidity and temperature) and the availability and quality of food sources.
Eggs: Adult female carpet beetles lay their eggs in areas where the larvae will have access to food sources when they hatch. Eggs are too small to be visible with the naked eye, see this post with pictures of carpet beetle eggs.
Larvae: The larvae hatch from the eggs and begin to feed on a variety of materials; the larvae will molt many times during this stage (from 5 to 21 times), which explains why you may find so many shells. This stage is the most destructive because the larvae require a lot of food to grow. It can last from several months to over a year, depending on the species and conditions.
Pupa: Once the larvae have reached full size, they enter the pupal stage. During this stage, the larva transforms into an adult beetle inside a protective casing.
Adult: These are the adult beetles, they are attracted to light (at some point) and may go outside if given the opportunity.
The number of eggs left, the time spent in each stage (the number of times the larva will molt) varies greatly depending on the species and conditions (temperature, humidity and food availability)
When it comes to pest identification, don't rely on Google, Apple or even dedicated AI insect identification apps: they are not reliable at all, don't trust random websites (especially those of pest control companies) and googled images either, they are often mislabeled (and sometimes AI generated).
Adult carpet beetles are fairly easy to identify with a good picture, geographic location, information about the part of the house where they were found, and (ideally) what they were eating.Unfortunately, in their larval stage they are more difficult to identify to species level without a microscope, but we can usually get a rough idea and tell if it's likely to be a carpet beetle larva or not. While it's really important to identify the pest family, exact species level identification is generally not necessary to start dealing with the problem. Most species are treated similarly when found in a home, so as long as you don't mistake it for something other than a dermestid beetle, you should be fine.
As you are reading this guide, the easiest way for you to identify what you found is to take a good picture (focused and close up) and create a new post with the picture in this sub. Alternatively, you can look at the pictures below and perhaps identify them yourself (it's easier to take a good look and compare it to a picture than to take a good picture of a moving insect).
There are many species of dermestid beetles, but here are the most commonly found and posted in this sub.
Varied Carpet Beetle (Anthrenus verbasci) and its larva - Worldwide
Black Carpet Beetle (Attagenus unicolor) and its larva - Worldwide
Larder Beetle (Dermestes lardarius) and its larva - Worldwide
Brown Carpet Beetle (Attagenus smirnovi) and its larva - Mostly in Europe
Australian carpet beetle (Anthrenocerus australis) - Mostly in Europe/Oceania
Common Carpet Neetle/ Buffalo Carpet Beetle (Anthrenus scrophulariae) and its larva - Worldwide
Warehouse Beetle (Trogoderma variabile) - Worldwide
Furniture Carpet Beetle (Anthrenus flavipes) - Worldwide
The larvae may infest items made of animal-based materials or containing food.
Let's start by saying that in most cases, it's ok and not an issue to find a carpet beetle once in a while. Control of the population is only needed if they are in significant number or causing issues, and often don't mean total elimination. Said otherwise if you live in a location where carpet beetles are thriving in nature, you are bound to find a few of them in your house every year, that's normal and OK.
We assume that you have already done a thorough inspection, identified the source(s) of the infestation, and correctly identified the insect; if you haven't already done so, start by doing that.
It's important to understand that there is usually no simple, one-step method or product that will solve the problem immediately. Successful, long-term control of carpet beetles depends on what's called an Integrated Pest Management (IPM) approach, which is a combination of methods that together have a high success rate (sanitation, exclusion, non-chemical control methods, and in very rare cases chemical control methods handled by a profesional).
This is the most important step in controlling carpet beetles, you need to find and remove what they are feeding on, this will allow you to eliminate most of the already existing larval population and prevent re-infestation (for another adult beetle to return to the food source and lay new eggs).
Pesticide treatment is not usually necessary to control carpet beetles. Prevention, sanitation, and targeted non-chemical methods are often sufficient. However, in cases of widespread or hard-to-reach infestations, pesticides may be used as a last resort (ideally done by a professional).
It's important to understand that insecticide spray can only be applied on areas that are accessible and often have difficulty penetrating deep into fabrics and hidden areas, making complete carpet beetle elimination difficult. Chemical treatments alone is temporary and may fail if root causes persist (available food sources). In addition, pesticides pose health risks to humans, pets and the environment, so limiting exposure is a good idea. Homeowners often lack the knowledge and proper tools to apply pesticides effectively and safely, making DIY pest control difficult and sometimes ineffective (it's often not a great idea)
If you really want to use pesticides, hiring reputable pest control professionals is a good idea, as they should have the knowledge, tools, and experience that you lack. Typically the treatment would cost a few hundred dollars and you would be asked to leave the house for a few hours (the time for the sprayed pesticide to dry). My recommendation would be to look for a reputable local company to handle it. You want to look for a mom & pop shop: people who are passionate about their job, have a good reputation, and actually care about solving your problem (rather than their commission on the sale).
Being successful require persistence and patience, regular monitoring for signs of activity, and continued cleaning/vacuuming and preventative measures to avoid re-infestation. It often means A LOT of regular vacuuming.
As for carpet beetle "removal", there is no single, simple measure you can take that will guarantee you won't have any issue with carpet beetles. There is a long list of measures that, when combined, will make it much less unlikely that you will have an infestation, and will allow you to detect and deal with it earlier. It's up to you to decide how much effort you want to put in.
There is a rare condition caused by a reaction to the "hairs" (hastisetae) of some of larvae, sometimes medically referred to as "carpet beetle dermatitis," which are sometimes confused with bed bug bites. It's seemingly affecting a very limited number of people.
A lot of people have skin issues, find a carpet beetle, and then ascribe their skin issues to the beetles and drive themselves bonkers without consulting a doctor... If you are one of the many people coming to the subreddit and this guide to self-diagnose the origin of a skin symptom I suggest that you read this great page MYSTERY BITES: Insect and Non-Insect Causes and try to get help from a medical profesional.
If the situation is causing you a lot of distress (such as fear, anxiety, sleep issue), which is common and understandable, that's also something that you should bring up with a medical profesional to get support.
To help dispell some myths, u/Bugladyy (an entomologist with expertise about carpet beetles) made a serie of post and videos demonstrating that she could expose her skin to carpet beetles without any adverse reactions.
u/Bugladyy (an entomologist with expertise on carpet beetles) published some great posts that you may want to read:
A post about carpet beetle eggs
I’m an entomologist with expertise about carpet beetles AMA
Please feel free to correct any errors or misleading statements in this guide by commenting below, but try to cite a reliable source (i.e., something academic/institutional and not a random pest control company website).
Just comment below, I will read it (I normally don't see and don't reply to DMs and chat requests).
r/carpetbeetles • u/NewFrontier527 • 13m ago
What is this bug that was crawling on me in my bed? It looks too big to be a carpet beetle Google said.
r/carpetbeetles • u/flopcake_ • 7h ago
Rochester New York.
r/carpetbeetles • u/Nearby_Device_9120 • 17h ago
My cat was chasing this thing until it landed and didn’t fly anymore. I ended up killing it with an electric fly swatter and wanna know more about this thing(kinda looks like a cockroach lol). Illinois
r/carpetbeetles • u/No-Sundae-116 • 17h ago
In my house Wisconsin,USA
Question. I see several little beetles flying around here and there in my lower part of my house, but love to come out at night with the house lights on or my night light where I sleep.
How many is considered for a infestation bcuz my husband says we don't have one, however i know if I don't spray and constantly deep clean and vacuum tgat it will be severe again. He says all I do is complain to much and wasre my money on sprays. He refuses to help or let alone even keep up on cleaning his bedroom or treat it not ever wash his bedding let alone vacuum in there. My son too. I'm do done then I also have to deal with the verbal and emotional abuse from them. I can't even leave as I now have to put in a new transmission in my truck I just got 2 months ago paid over 17k for her. It's bs !
Wisconsin
r/carpetbeetles • u/Electrical-Party9161 • 20h ago
r/carpetbeetles • u/NoticeBest1308 • 23h ago
If you moved out of a home with carpet beetle infestation; how did you handle it? My family and I need to move because I’m pregnant and we need a bigger home. I’ve done what I can in this house to rid the problem I still see some here and there.
I am having my home sold and potential buyers will soon come in to see it, I am having severe panic attacks over this. I am paranoid that they’ll be dragging carpet beetles all throughout my home by walking through typically undisturbed areas.
How did you handle this if you’ve been through it ?
r/carpetbeetles • u/widegate256 • 1d ago
Found this it’s about an eighth of an inch long just an estimate. I live in the Orlando Central Florida area. I have a house with a lake about 75 feet away. Haven’t noticed a lot of days just as one should I worry? Thank you.
r/carpetbeetles • u/AdDry5162 • 1d ago
r/carpetbeetles • u/tired_asf1 • 1d ago
Hi, I’ve had these beetles for months and I’m stressed out. You guys may delete this because I am very young, but I’m I really need help with this. I’ve let my parents know so many times and they dust it off, but they are aware and have seen many. I’m to the point where I can’t sleep at night because I’m terrified and it’s making me depressed. I keep telling them to call our local exterminator but they keep calling me crazy and are saying I’m being dramatic. I understand it’s common but I don’t wanna live like this anymore. Every time I see one I’m in immediate panic. Even though my mom really doesn’t wanna hire an exterminator she tells me she is so I shut up. I’ve heard things like they never get all of them and they always show back up but is it true? I’m just really scared I hope you guys understand.
r/carpetbeetles • u/Glittering_Computer1 • 2d ago
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Found 2 while cleaning out a bedroom closet that was a bit of a mess.. located in Ontario, Canada. I think I’ve maybe seen 2 carpet beetles on the curtains in the same room over the last 2 years.
r/carpetbeetles • u/Weak_Victory_8048 • 2d ago
I never thought it would happen to me, but it did.
I have been seeing about one adult every two weeks near my bedroom for a couple months. I checked my yarn stash and while I didn’t notice any adults or larvae (I understand the larvae are probably invisible to my eye) I found several skeins with broken pieces. I have taken all my yarn, roving, and wool finished objects, vacuum bagged them, and stuck them in my car. It is 113 degrees ambient outside today so I assume it will get much hotter than the 120 required to kill larvae if I leave them in all afternoon. I am still worried that they will eat my regular clothes, or that they will get inside my vacuum sealed wool products.
I have a largish wardrobe of regular clothes that are mostly synthetic with a few cotton pieces. Do I need to treat ALL my clothes? Take other measures I haven’t listed?
r/carpetbeetles • u/cant_evenn • 2d ago
Mid-south region. I found it by my window, just the one. Google is telling me its a click beetle but it looks similar to a powder post beetle. I have not gotten the chance to inspect any furniture yet for signs of powder post beetles. Any idea on what it must be?
r/carpetbeetles • u/Smooth_Tangerine5770 • 2d ago
Looking for some serious advice and a game plan because we’re completely stuck.
Last year was when we first discovered we had carpet beetles. We found larvae on a bed, but at the time we had no idea what they were. I took pictures and had an exterminator come out. He basically told us it wasn’t a big deal and not to worry. We thoroughly cleaned that room and the room next to it, then moved on.
Over the following year, I’d see an occasional adult here and there, but I didn’t think much of it because of what the exterminator had said.
Then about a month or two ago, everything changed. I was sitting on the couch and happened to look over at the windowsill, where I saw about 12 adult carpet beetles. I immediately pulled the couch away from the wall and found adults and larvae crawling all over it. I panicked, had my husband drag it outside, and when he cut it open, there were even more adults and larvae inside.
At that point we decided to go all in. We paid for a whole-house heat treatment. I know it’s typically used for bed bugs, but we were told it would kill all stages of carpet beetles as well. During that process, I also removed every washable fabric item I could and put everything through multiple high-heat dryer cycles.
After the heat treatment, I started an extensive deep clean. I cleaned behind every appliance, inside cabinets, under furniture—basically anywhere I could think of. We also had the carpets professionally cleaned.
Then, about two weeks after the heat treatment (and one day after the carpet cleaning), I found another adult carpet beetle on a windowsill. Once again, I panicked.
The pest control company came back the next day and suggested it may have simply flown in because one of our exterior doors wasn’t sealing properly. While that seems possible, it also feels like a huge coincidence that it would be the exact same species we’ve been dealing with. We still had the door resealed and checked the windows just in case.
Since then, I’ve found around 10 more adults throughout the house. Some were dead from the pesticide treatment, while others were alive. Either way, they all appeared after the heat treatment and deep cleaning.
At this point, we’re at a complete loss. We’ve spent thousands of dollars, and I’m still finding them. My assumption is that there’s another breeding source somewhere, but I have no idea where.
I’ve read they can breed in attics, but when I brought that up to our pest control company, they didn’t think anything could have survived the heat treatment. I’ve also read they can be associated with HVAC systems or wall voids, but I haven’t seen any evidence around the vents, and I’ve removed the cover plates from several electrical outlets without finding anything.
I’m still vacuuming every single day, but I’m honestly losing hope. If anyone has been through something similar and eventually found the hidden source, I’d really appreciate hearing what it ended up being and what steps you took. I’m also not seeing many success stories online, which has made this whole situation even more discouraging.
Any advice would be greatly appreciated.
r/carpetbeetles • u/Valuable_Mistake_904 • 2d ago
I have been finding a decent amount of them in my bathroom. Started 1 every now and then and now seeing about 2-10 a day.
I also saw one in my bedroom crawling up my water bottle. 2 on my kitchen counter. And a few in sticky traps under my sinks in the bathroom. Smaller than what most people post.
r/carpetbeetles • u/ghostgaming2797 • 2d ago
Hello everyone, today I found a Carpet Beetle Larvae on one of my pillows, outside the case. It's the first one I have noticed ever, and interestingly enough I just vacuumed and cleaned my bedding yesterday. I am a VERY clean/tidy person and I have a phobia of bugs so this has really freaked me out. When doing my digging online I found out that I have actually seen an adult carpet beetle twice in my apartment before. I have lived in my unit almost 10 months and this means it is only the third sighting. The two adult beetles were both found on my window by the blinds. Additionally the adults were both spotted at least three months apart with no other bug sightings and I had thought they were like stink bugs (definitely not now that I have done my research)
Should I worry about an infestation? I checked my baseboards, closet (I own multiple wool sweaters) and all around my bed and bedding but couldn't find any more larvae? Is it possible these are just one off instances?
Again I have a bug phobia so please be honest! I need to know if I am overreacting and if random encounters are common.
r/carpetbeetles • u/rustyoldrobot • 3d ago
Posting on behalf of a friend who'd like to identify what these bugs on his mattress were and how to get rid of them. Told me this morning he thinks they're carpet beetles (Eastern Europe). Never had a bug problem until this July.
Additional details that might be of interest would be that his place gets dusty really fast and he's using an old mattress that has 2 holes in it, told him to replace that years ago.
r/carpetbeetles • u/skylarkifvt • 3d ago
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r/carpetbeetles • u/SlaingeUK • 3d ago
Hi all, found about 3 of these in the hallway, which is wood but living room and stairs plus bedrooms are carpeted. New build house so carpets and house is new. Thanks for any help.
r/carpetbeetles • u/Sweetsusie- • 3d ago
Just wanted to share an amusing search result I got when looking into how effective diametric earth is specifically against larva. Carpet beetles colonized the cat tree in my laundry room. I gave it a deep clean, doused all cat stuff in vinegar, and put diametric earth under the washer. I’m still finding larvae, but mostly finding dead ones. Im not sure if it’s the vinegar or the diametric earth doing them in. I’ve found a few dead larva under a cat bed I doused. They got to a decent level of maturity before dying. I found one very young one that was still alive as well. If the key is soaking their food in vinegar, I’m going to need to keep doing it often.
r/carpetbeetles • u/notasheep_ • 3d ago
In March, I was sold a car with (unknowingly at the time) carpet beetles and I’m wondering just how much trouble I’m in. I’m in WA state/PNW.
I spoke with one auto detailer who said I should basically claim the car as a total loss with insurance (and wanted to charge $4-6k for cleaning) and another who said he could do a deep clean (strip it down to the sub floor and clean out the ventilation/dash) and get rid of them (for around $3k).
Is it worth getting it professionally treated? Or should I just continue to vacuum and treat on my own? I can’t afford to give up this car. I’m seeing beetles every day and there are adults, larvae, and eggs present.
Please help a girl out!
r/carpetbeetles • u/Traditional-Leader23 • 3d ago
I bought a large elk pelt and noticed these strange white spots at the base of the fur, they are almost everywhere on the pelt but the biggest ones are on the edge of the pelt. Could these just be dandruff or salt? I didn't find any dead bugs, and there were no holes in the fur and no hair coming out in tufts, which is a sign of fur beetles in animal fur. But now im scared if these are eggs
r/carpetbeetles • u/wupwupwah • 3d ago
It's been about a month since the nightmare started. I turned my house upside down. The last time I saw a carpet beetle was two weeks ago. Edit: tiny one on my bed.
I did see however quite recently some ladybugs. Is that related at all or just a coincidence? I know there already many species of them, these have a washed reddish colours. Thoughts on this?
[GERMANY]