dragonfly |ˈdragənˌflī|
noun ( pl. -flies)
a fast-flying long-bodied predatory insect with two pairs of large transparent wings that are spread out sideways at rest. The voracious aquatic larvae take up to five years to reach adulthood. Compare with damselfly . • Suborder Anisoptera, order Odonata: several families. Dragonflies include darners and skimmers.


damselfly |ˈdamzəlˌflī|
noun ( pl. -flies)
a slender insect related to the dragonflies, having weak flight and typically resting with the wings folded back along the body. • Suborder Zygoptera, order Odonata: several families.


darner |ˈdärnər|
noun
1 a darning needle.
2 a large slender-bodied dragonfly. Also called darning needle , devil's darning needle . [ORIGIN: said to be so named because of the popular belief that the dragonfly sews up the lips and eyelids of people sleeping.] • Family Aeshnidae: several genera.

Lynch seems to put these subtle symbols in.