"Merle O'Broham" wrote in message
om...
How about this, a key to white grub raster patterns (valid for Ohio, and
likely for the original poster):

http://ohioline.osu.edu/hyg-fact/2000/2510.html

The raster is the bottom side of the grubs back end.

That link is GREAT!

Yeah...it is. The pictures are remarkable. My high school bio teacher wet
insane trying to teach us to stipple like that with a pencil.