River Ybbs (Austria) Page:  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24      Lang.      
 A big Pearlide genus Dinocras discovered under a peabble in a riffle. Although widely present as larvae the large stonefly is not present in this month (October) as winged insect.