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1660 Views 4 Replies Last post: Mar 8, 2012 9:44 AM by bombuslucorum - Museum ID team RSS
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Feb 21, 2012 9:59 PM

Help with identification of beetle found in house

Hope someone can help, we live in a apartment in Copenhagen, Denmark. We have now found 5 of these beetles.2 in the bathroom, 1 in the toilet, 1 on the curtain in living room and most recently in our bed!!

Photo attached, they are an army green colour, hard shell, about 1 cm in length.

We have never had many bugs before in the apartment, and we are curious to find out if we should be worried about these little fellas! They started to pop up this winter. The only changes in our household have been, we recently got a dog, but they seem way to big to come from him and vet checks have not found anything. We have had a flood in the basement this summer and there are problems with damp down there but thats 2 floors down from our apartment.

Any ideas anyonebug1 234.jpg?

  • Currently Being Moderated
    Feb 22, 2012 12:43 PM (in response to rebecca)
    Re: Help with identification of beetle found in house

    Hello,

    Yes, I've got an idea of what it could be. It is definitely a weevil (family Curculionidae), and it looks like the ones in the genus Otiorhynchus. Sorry I can't really identify it for you, but it could be one of these beetles, such as Otiorhynchus singularis, which come as larvae in a flower pot, then emerge as adults in the house. Do you have any plant in your bathroom or nearby? Any recent addition to your plant collection that could be the source of these beetles?

    Regards,

    Florin

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  • Currently Being Moderated
    Mar 8, 2012 8:21 AM (in response to rebecca)
    Re: Help with identification of beetle found in house

    As Florin says it is a weevil (snudebille på dansk - jeg er fra Skåne), family Curculionidae. It belongs to the subfamily Entiminae. There are many similar genera (slaegte) and species and your image is unfortunately not clear enough for me to be certain on species or even genus. But I don't think that it is a Otiorhynchus as I to me the front corners of the abdomen (bagkrop) looks too protruding (Otiorhynchus is more rounded, "shoulderless"). When it comes to "army green", well many of the weevils are army-coloured (i.e. +/- camouflaged) and where green stops and brown starts is hard to decide (especially as many of the species is not constant in colour and many have coloured scales that are easily worn off). A species that is common in Denmark and that is often found in parks is Liophloeus tessulatus and it has a shape that I think fits reasonably with your image. Here is an "army-green" one, here is a more brownish and here is yet another.. There are some other species that are possible, but L tessulatus is just the one I think fits the best with the hard-to-see outline and my idea of army-green. However one thing perhaps talks against Liophloeus, and that is that it can't fly (but it might have used som other transport of course). If you don't agree with a Liophloeus, I advice you to go to http://claude.schott.free.fr/iconographie/Iconographies-listes.html (check the pages from Otiorhynchus to Sitona) or http://www.thewcg.org.uk/thumbnails/curculionoidea.htm (Subfamily Entiminae somewhat below the middle) and try to find something that fits better, then go to http://www.fugleognatur.dk and search for it (take only the genus and you will get all Danish species in that genus!).

    On http://artportalen.se/bugs/catalogus2.asp all Nordic beetles (Sk=Skåne, DK=Denmark and if you click the rightmost icon you would have gotten images if it only had linked to the right script - but you can find the images on Entiminae via this link, 653 images) are listed - show "Vivlar - Curculionidae" and on that page and the following two you have all species of concern (from Otiorhynchus to Sitona).

     

    Finally, you don't have to worry about having them indoors and they have no relation to your dog or the flood.

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