Small Backswimmer Notonecta viridis, newt tadpole and water boatman

It was a cold winter December day today in Essex. Most the insect life is dormant for winter, but under the ice in the ponds there is still plenty of activity. A sweep with the net and a caught a number of creatures: damselfly larvae, water lice, water beetles and 2 species of backswimmer, the…