Category Archives: Pantry Beetles, Grain Weevils, Spider Beetles, Meal Worms and Carpet Beetles   rss

Infestation of Drugstore Beetles

Sudden Infestation
Location:  Northeast U.S.
September 1, 2010 12:07 am
Hello, I live in western New York. I found a bunch of bugs in my kitchen yesterday on the countertops at lunch time. I quickly wiped them of and discarded of them outside. At that point there were roughly 15 of them. I came home from work last night and suddenly there were probably one hundred of them. So I got out the bleach and scrubbed down the whole kitchen. I knew this was probably only a temporary fix. They have come back today. I have two dogs and at first I thought ”Oh my goodness they have fleas”, but upon checking them out the are a little bigger than what a flea would be. They also are very easy to catch and discard. They are brown in color. They do appear to have wings and the ability to fly but for the most part they don’t move very much. I was trying to find the source of the bugs and though there were some on the kitchen floor, the first place I noticed them were on the kitchen counter. So I thought maybee they were falling from the ceiling. Low and behold when I looked up they appeared to be coming from the light on the ceiling. I tried to find them in other rooms before but they seemed to only be in the kitchen. Well the lights in the kitchen are always on so I checked other lights. I noticed that they seem to be collecting at any light. I recentley had my roof redone. There were old ceder shake shingles on the house before. I wonder if they could be some kind of termited that were upset when the roof was tore off and moved from the attic down my walls or if they are just some kind of gnat. Please Help me I will attach a couple of pictures.
Scott

drugstore beetles scale scott 300x206 Infestation of Drugstore Beetles

Drugstore Beetles perhaps

Hi Scott,
Your photos are lacking in detail, but based on your description and the image with the penny as scale, we believe you have an infestation of Drugstore Beetles.  Drugstore Beetles,
Stegobium paniceum, are cosmopolitan in distribution and may be found year round thanks to our climate controlled environment in the home.  According to BugGuide:  “larvae feed on prescription drugs, flours, dry mixes, breads, cookies, spices, chocolates and other sweets, plus a variety of ‘non-food’ items.” BugGuide explains Larval non-food material includes wool, hair, leather, horn, and museum specimens. Larvae have been known to bore into books, wooden objects, and, in some cases, tin or aluminum foil and lead sheet.”  Drugstore Beetles are not the only small beetles that will infest stored food products in the kitchen.  Another possible culprit is the Cigarette Beetle, Lasioderma serricorne, but you probably do not care exactly what food infesting beetle is living in your kitchen.  You need to search the pantry thoroughly to find the source of the infestation.  Your letter mentioned dogs and if you buy large quantities of dog food, the infestation might have begun in the bargain bag of pet food, or it might have begun in the long forgotten cake mix that expired in 2002 on the top shelf of the cupboard in the back behind the canned goods.  If the infestation is really bad, the beetles might have spread to other items already, so you might want to clear out all stored food products and that should take care of the problem unless the beetles have been proliferating in the stuffed stag’s head over the fireplace or some exotic artifact made of leather or other animal products that a world traveler presented you after returning from Africa or South America. In England, Drugstore Beetles are known as Biscuit Beetles and adults do not feed.  The Ohio State University Extension Program has a good fact sheet on both Drugstore Beetles and Cigarette Beetles.

drugstore beetle scott Infestation of Drugstore Beetles

Drugstore Beetles possibly

What's That Bug? does not endorse extermination

Dermestid Beetle Larva in Pasta

always in my carbs!!!
Location:  Buffalo, NY
August 4, 2010 7:59 pm
These disgusting creepy little bugs somehow ALWAYS get into any kind of carb I have in my cupboard-flour, pasta, sugar, etc, even if it’s stored in a container other than the one it came in, although glad containers seem to be working to keep them out. I often find like skins or something in there too like they shed or something? In the pic those are medium-sized shells & it was desperately trying to crawl towards them. Thanx!
Kathie

larva in pasta kathie 300x202 Dermestid Beetle Larva in Pasta

Dermestid Beetle Larva

Hi Kathie,
We are confident that your Beetle Larva is in the family Dermestidae, known as the Carpet Beetles.  The family contains the common Larder Beetle as well.  As a family, bugGuide indicates the larvae feed on:  “dried organic material of high protein content (skin/flesh of dead animals, dandruff, feathers, hair, mantid egg cases, dried foods, wool/silk, etc.); a few spp. prey on wasp & bee larvae or spider eggs; most smaller species feed on pollen/nectar
and they are frequently found in dried pet food.  Their fondness for grains at your place may indicate a species that has specific dietary preferences that differs from the family.  We wonder if perhaps you have Novelsis aequalis, the closest visual match we can find on bugGuide, but alas, there is no information on the larval food preferences.  You may want to discard all stored foods and begin with a cleaned pantry.

Spider Beetle

Is this a bed bug
May 23, 2010
I woke up this morning and wanted to clean my sheets. I tore off my bedding and when looking under the mattress I found this guy curled up. I thought he/she was dead but upon prodding he/she woke up. I placed him/her a glass and took this picture. I live in Brooklyn and I have had friends with bed bugs so I am curious if this is one. He/She doesn’t look like a bed bug because he/she isn’t that flat nor does it want to start sucking blood.
I searched the surrounding area all around the wood frame and cluttered parts of my room. I haven’t found any more guys yet.
A man in Brooklyn
Under my matress

spider beetle brooklyn 250x300 Spider Beetle

Spider Beetle

Dear man,
While under the mattress is a good place to look for Bed Bugs, it is not a typical habitat for Spider Beetles, like the one in your photo, which typically infest stored foods.  Perhaps you eat in bed and the crumbs accumulate.

What's That Bug? does not endorse extermination

Varied Carpet Beetles

brown, black and white bug looks like a ladybug but smaller
May 14, 2010
I found these bugs on my asters and I am wondering if they are harmful to the asters. Reminds me of a ladybug or mabey a beetle. there were several on each flower.
thank you, Tina
downstate, NY about 40 miles north of NYC

carpet beetles tina 300x247 Varied Carpet Beetles

Varied Carpet Beetles

Dear Tina,
These are Varied Carpet Beetles, Anthrenus verbasci, a common household pest.  According to BugGuide, the larvae of Carpet Beetles “feed [on] keratine and chitine, and may cause considerable damage on wool, fur, feathers, and natural history collections.
“  Most of the identification requests we receive at What’s That Bug? are of the larvae or of the emerged adults that congregate around windows in an attempt to gain access to the outdoors.  They die on windowsills in great numbers.  The adults feed upon pollen and do not cause any damage in the garden or indoors.

Spider Beetles

Apartment Bug – Manhattan NYC
April 12, 2010
Hi Thanks for your help! I live in a newly renovated apartment in Manhattan, New York and keep coming across these bugs. (image attached). I am concerned that they might be ticks or bed bugs? I usually find them crawling the walls, but found a bunch in a light fixture. Any help identifying them or any risk they may pose? Thanks so much!
Bob from NYC
West Harlem, New York, NY

spider beetles bob 300x201 Spider Beetles

Spider Beetles

Hi Bob,
You have a sizable infestation of Spider Beetles, Gibbium aequinoctiale.  You should check your stored foods as they often infest items in the pantry.

What's That Bug? does not endorse extermination

Spider Beetle

What is this little bug?
April 6, 2010
I found it tonight.
Sleepy Guy
PA

spider beetle pa Spider Beetle

Spider Beetle

This is a Spider Beetle, Gibbium aequinoctiale.  According to BugGuide: “This species is a scavenger, feeding on a wide variety of dead plant and animal materials.
It has become a pest by feeding on dry stored products.”  You might want to check the pantry to see if they have infested an old box of pancake mix or the forgotten cookies on the top shelf.

Hi Daniel,
Yup that’s right.. thanks for the response.. not happy to hear that though! This is the second one I’ve found in here.
The exterminator will be here tomorrow, that’s for sure.
I guess at least its not a tick, beceause that’s what it sort of resembles.

An exterminator won’t help if they are in the food unless you direct the exterminator to spray the food directly.  You need to find out where they are feeding.

oh ok. I think they’re actually living off the wood grain in the ceiling (older building).
I am seeing them all over the place (usually dead (or nearly dead) on the floor, probably from falling).
I have no idea what to do if they’re in the wood ceiling.. but the exterminator is my only hope.

Larder Beetle

It’s invading my home
April 6, 2010
We get these beetles? in our house whenever it’s not winter. We find them mostly in the bathrooms and in the kitchen under the stove. Thanks,
C. Lloyd
Upstate NY, Saratoga County

larder beetle lloyd 300x190 Larder Beetle

Larder Beetle

Dear C. Lloyd,
Larder Beetles, Dermestes lardarius, infest stored foods, but they also do considerable damage to organic museum specimens.  Larder Beetles may be found year round, and they have a cosmopolitan distribution.  Search the pantry for the infestation.

Blurry Dots: Pantry Beetles or Carpet Beetles, perhaps

dark borwn bug small like a lady bug with white dots on and wings.
March 4, 2010
i keep finding them round my room, sometimes on the wall but i have found one in the car. They are really starting to freak me out and was hoping you could tell me what they are.
Help
Bedroom

dots help 300x204 Blurry Dots:  Pantry Beetles or Carpet Beetles, perhaps

Blurry Dots or possibly Pantry Beetles

Dear (not terribly) Help(ful),
We believe you may need more help than we are able to provide.  A bedroom and a car are not really geographical locations in any way that would provide us with the information we requested in terms of geography, and your photo is pretty much useless for any identification purposes.  We can only surmise that you probably have either Pantry Beetles or Carpet Beetles, or perhaps even both.


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