Dragonfly nymphs propel themselves through the water with a miniature jet engine, taking water in below their mouths and shooting it out their back ends. You can see the ripples from the jet out this one's back in this video.
my daughter and i found one of these in the river. she is very cerious can you tellme what they eat or if it will turn into some other bugplease tell me wat we need to do.
thanks,