dragonfly nymph

Dear planted-tankers, I recently got my hands on a few Crayfish, Rock fish and a Belostomatide. I got some floating plants which I cannot keep rooted with the Crayfish always ripping it up. I have a cheapo led light running when the tank is in shade and there is a sponge filter running...

I found this in my tank this afternoon and starting freaking out. I have no idea where it came from or exactly what it is. It appears to be some sort of underwater insect. Maybe larval form of something (IE dragonfly) because it does have wing stalks. It appears to be alive, not dead. My shrimp...

Big surprise tonight as I think I spotted a dragonfly nymph in the tank. It's my understanding that they may eat small fiash and shrimps so I want it out asap. The tank is heavily planted and I don't fancy a full scale search and destroy. Any suggestions on how trap or eradicate the little...