kenty wrote:

I have recently found two large grubs in my soil.They have light
brown heads and pincers.eight legs two of which are smaller than the
others.They also have light brown dots running down either side .They
are about 1 1/2" long.I have never seen them before.I have done a
google search and cannot decide what it is.Do away with them or let
them get on with it.

Stag beetles are an endangered species.

Have a look here. These images resemble your description.

http://www.arkive.org/species/ARK/in...l_and_freshwat
er/Lucanus_cervus/more_still_images.html

Why not ask uk.rec.natural-history? I'm sure they will help.

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