Fascinating Riverflies

Within the UK there are 
more than 2500 insect 
species with a freshwater 
stage in their life cycle. As juveniles (nymphs 
or larvae) they spend 
the best part of their 
life under water.

Fascinating Riverflies

Within the UK there are 
more than 2500 insect 
species with a freshwater 
stage in their life cycle. As juveniles (nymphs 
or larvae) they spend 
the best part of their 
life under water.