I think the most likely answer is a calliphorid puparium. A bluebottle's
sense of smell will guide it to potential food sources, even bricked-up
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On 15 February 2017 at 10:42, BLAKE, CHELSEA E. (Student) <
> Hi all,
> I have recently taken this off a desiccated cat found in a mansion wall. I
> have found evidence of Black Carpet Beetle larvae elsewhere on the cat, but
> have been unable to identify this sample. It is somewhat conical with a
> domed top, smooth on the outside but with banded ridges on the interior.
> Thanks for any help!