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154 Views 10 Replies Last post: Jun 11, 2018 8:05 PM by flecc RSS
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Jun 11, 2018 3:10 PM

Mystery beetle in rug

I have found lots of these little beetles on top of (and under) a rug in my bedroom! Very worried that I have an infestation. I also found lots near the window in my bedroom. Can anyone tell me what they are? I have attached a video. Thank you!

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    Jun 11, 2018 4:21 PM (in response to Cyrus)
    Re: Mystery beetle in rug

    No video attached Cyrus.  Meanwhile don't worry, there are some completely harmless tiny beetles associated with natural fibre rugs and carpets.   When at windows they are trying to get out to feed on flower pollen.

     

    Tony

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        Jun 11, 2018 6:25 PM (in response to Cyrus)
        Re: Mystery beetle in rug

        Not one of the Carpet Beetles that I'd suspected, this is a Weevil, a type of beetle.  There's not enough fine detail to know exactly which, but it looks like a grain weevil and possibly the Rice Weevil.  They lay their eggs on grain based food sources which their larvae feed on, then hatching out as the weevils you see.

         

        It's likely that you have some suitable food source infested with the larvae, so have a search for that, possibly something overlooked and not checked for some while.  Once any food source is removed the problem will disappear.  Let me know if you find that.

         

        Tony

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        Jun 11, 2018 6:26 PM (in response to Cyrus)
        Re: Mystery beetle in rug

        This is a weevil, most likely Sitophilus oryzae, but maybe S. granarius. Look into your kitchen cupboards to find the grain (rice or wheat) they are feeding on. Also possibly in stored bird food. Please let us know how you get on!

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          Jun 11, 2018 6:28 PM (in response to triops)
          Re: Mystery beetle in rug

          Hi Tony. Snap! Simultaneous posts.

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              Jun 11, 2018 6:56 PM (in response to Cyrus)
              Re: Mystery beetle in rug

              Then the food source may be an old birds or wasps nest in the attic or eaves, the weevils accessing your bedroom from there.  That can happen through cavity walls and from behind skirting boards, or past an ill-fitting loft hatch.  The rug is probably just coincidental, somewhere they feel more at home, like a bird's nest if they came from one.

               

              Tony

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                  Jun 11, 2018 8:05 PM (in response to Cyrus)
                  Re: Mystery beetle in rug

                  There is a similar looking weevil with larvae that wood bore like woodworm so it's worth checking.  Since these are mature weevils, they will have hatched from larvae that have done what they needed to grow to that stage.  Therefore if wood boring weevils, the bed or other wood in the room will already have groups of small holes with traces of sawdust around, so check for that.  If no trace they will not be wood borers.  It's most likely these are the grain eating variety though, which are not in any way harmful to us, just a visual nuisance.

                   

                  Tony

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