Dragonflies were some of the first winged insects to evolve, some 300 million years ago. Modern dragonflies have wingspans of only two to five inches, but fossil dragonflies have been found with wingspans of up to two feet.
Feather Horned Beetle with Long Bushy 'Eyebrows'(Rhipicera femorata): Males use their fantastic (hah!) antennae to locate a female feather-horned beetle that’s emitting pheromones which indicate she is ready for mating. Photo by ron_and_beth.