Thread subject: :: flies on oak tree sap

Posted by elck on 30-07-2005 20:55

On an oak tree I saw a lot of wasps in a frenzy over the trees' sap.
On closer observation I also saw these flies.
In extreem dark circumstances so I had to spike the pictures considerably.
Any ideas?

Edited by elck on 30-07-2005 23:39