'bnd777',

Your difficulty now is that if you drench the soil with an insecticide
to kill the grubs you will kill all other forms of life in the soil,
including earth worms.

Chlorpyrifos http://www.dowagro.com/chlorp/about/pests/grubs.htm,
which is a name which I have just come across, is claimed to be
effective in dealing with your problem, but I know nothing about it,
whatsoever.

Over the years my lawn I has had its fair share of leatherjackets
http://www.greengardener.co.uk/details.htm (scroll)
but these are mostly eradicated by a flock of starlings.

Another very effective way of ridding my lawn of leatherjackets was to
water an area of the lawn and place a large piece of black material such
as heavy duty plastic or even a cut open bin liner over the dampened
area and the grubs came to the surface overnight.

For this method to succeed it is important that no light penetrates the
covered area so it is best to weigh down the edges of your material with
boards or similar.

Whether your scarab beetle larvae will respond to the above treatment in
a matter of conjecture, but you may think that it is worth a try.

Good luck,

Regards,
Emrys Davies.







"bnd777" wrote in message
...
Thanks Emrys ........thats the little bugger
Now I know whats killing patches of grass
Will have to discover which insecticide to use now


" Emrys Davies" wrote in message
...
'bnd777',

What about this little blighter?

http://www.ianr.unl.edu/pubs/insects/g1085.htm

Regards,
Emrys Davies.




"bnd777" wrote in message
...
I have dug up several large 1.5inch long and thickness of a pencil
........grubs of some kind

they are creamy colour but black towards the tail
head is light brown and there are 6/8 little feet up near the head

unless there is a Giant form of Vine weevil they definitely are
not
Vine
weevil I know exactly what those little nasties are like