2012_0727_074858AA

2012_0727_074858AA

Observation - 2012_0727_074858AA. Description: What did this? 2 piles of sawdust on stool & ground. One hole filled with sawdust in end of stool. Happened overnight. No change next morning (today), but tonight virtually all sawdust gone from ground and stool (no rain or wind), but new hole on top of s

What did this? 2 piles of sawdust on stool & ground. One hole filled with sawdust in end of stool. Happened overnight. No change next morning (today), but tonight virtually all sawdust gone from ground and stool (no rain or wind), but new hole on top of stool. Holes c. 1cm x 0.5cm. What happened to the sawdust? Help please.