Mystery bug..I.D PLEASE

[lisacat]

I've been having trouble with lots of beetles in my home, particularly in the kitchen although they have wandered into other rooms and this is making my nerves bad, particularly as i keep the house clean and it bothers me that they are getting in time after time. First of all i think there are carpet beetles in my home, as well as another unidentified one which looks similar to the fur beetle but has yellow dots near it's sides...i'm wondering if anyone knows what this is and how to eradicate them. I've tried all sorts, had pest control in about 4 times...sprayed something which lasts for 30 days but they seemed to come back...resistant? =/ I've tried lots of insecticides on the market as well as home remedies such as borax, lavender oil etc. I'm going crazy!.
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i've mocked it up how they look as i don't have any pics. thanks.

[lisacat]

Can anyone help/identify??!

[jaguarondi]

Dunno, but it might be worth investigating Dermestes species.
See Dermestes maculatus Degeer, hide beetle - Animals, Insects and Arachnids at The Natural History Museum, London