Many types of dragonflies and damselflies, insects in the scientific order Odonata, inhabit water areas throughout the United States. In fact, the presence of Odonata species in an area provides an indicator of water quality. Size differentiates damselflies and dragonflies, with dragonflies (suborder Anisoptera), the larger group of the ted Reading Time: 8 mins.
The Four-spotted Chaser Dragonfly is one of the commonest dragonflies in Ireland. The Four-spotted Chaser Dragonflies have a small brown patch on the middle of the leading edge of each wing, this combined with the dark pterostigma (a coloured, chitinous patch on the outer region of each wing) is the origin of the name ‘Four-spotted Chaser’.
· In addition to their striking color and dazzling aerial displays, dragonflies make our outdoor experience more enjoyable by reducing those pesky mosquitoes and gnats. Each dragonfly eats 30 to hundreds of mosquitoes a day. They are carnivores who eat all types of other insects too including cicadas, flies, and even other smaller dragonflies.
In a single clutch of an adult dragonfly, around eggs are produced, which takes 7 days to hatch and evolve as an aquatic nymph. This larval stage of dragonflies extends till five years in big species, and around two months to a period of three years in smaller types.
The Dragonfly Life Cycle. A dragonfly has a life span of more than a year, but very little of that life is actually as an adult dragonfly. There are three stages of the dragonfly life cycle, the egg, the nymph, and the adult dragonfly. Most of the life cycle of a dragonfly is lived out in the nymph stage and you don’t see them at all, unless.
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