I tested this out. I kept two fireflies and put them in a cage that was kind of small, and gave them only grass. And they lived!!! Try this out and then edit my answer, and below, write what you think!!!
Yes they do i gave a fly cheese before outside and it ate it.
yes flies can eat live or dead plants!
No; they are predatory.
yes
Yes
No. Dragonflies eat other insects, and sometimes even other dragonflies.
No, dragonflies do not eat marsh grass. They rarely eat plants. This is because they are mostly carnivores that eat other types of insects.
yes
Most dragonflies eat mosquitoes and other insects like flies and anything it can find
No dragonflies eat bugs and mosquitoes.
Dragonflies only eat other insects.
No. Dragonflies eat only flying insects.
Yes, we have dozens of dragonflies in our yard at this moment. our sidewalk is covered with what we would consider an "anthatch". it's the only thing different about this evening. They really are quite amazing to watch - we have never seen anything like it!
Dragonflies are purely carnivorous, they eat smaller insects.
no dragonflies do eat mosquitos,but they dont pollinate plants
Adult dragonflies are excellent huntersand mainly eat other insects
Dragonflies eat their prey alive. In fact, they catch it out of midair.