Project NoMBSI
(Non-lethal Method of Benthos Sampling and Identification)
Legend
- Tracheal gills visible on the lateral sides of thoracic segments; mandibles invisible from upper side; cerci shorter than abdomen: Perlidae (left)
- Tracheal gills invisiible; mandibles visible from upper side; cerci shorter than abdomen: Perlodidae (center)
- Tracheal gills and mandibles invisiible from the upper side; cerci as long as abdomen: Chloroperlidae (right)
© PK, kwantyzacja, 2014.