Project NoMBSI
(Non-lethal Method of Benthos Sampling and Identification)
Legend
- Three leaf-like tracheal gills on the end of the abdomen: Zygoptera (damselflies) (left)
- Three short, sharp appendices surrounding anus on the end of abdomen: Anisoptera (dragonflies) (right)
© PK, kwantyzacja, 2014.