Alderfly
Sialis lutaria

Antlion
Myrmeleon formicarius

Stonefly
Perla sp.

Large Green Stonefly
Stenoperla sp.

Stonefly
Perla maxima

Firebug
Pyrrhocoris apterus

Common Backswimmer
Notonecta glauca

True bug
Hemiptera sp.

Water Scorpion
Nepa sp.