Another fact is that adult dragonflies will devour just about anything they can catch. Dragonflies usually eat mosquitoes, bees, gnats, butterflies, termites, and other bugs. When they are in the nymph stage, they eat small fish, tadpoles, mosquito larvae, worms, and aquatic insects.
This is a giant termite mound in the grasslands of Brazil. The glowing green lights are actually beetle larvae. When they glow, the flying termites are attracted to them and go in for a closer look. Bam, dinner.